Account Security on KnightLi Blog

What to Do if Your Claude Account Is Suspended: Claude Code Limits and Appeal Guide

Sat, 09 May 2026 10:32:12 +0800

When a Claude or Claude Code account is suddenly limited, suspended right after payment, loses Pro access, or shows lower-than-expected usage capacity, many users naturally look for quick explanations. The important point is that this should not be treated as a simple “change IP” or “create another account” technical problem. Account risk systems usually combine signals such as region, payment, device, login behavior, usage content, automation, and sharing patterns.

A safer way to handle the issue is to first identify what kind of problem you actually have: normal quota limit, payment or subscription mismatch, Claude Code authorization issue, or an account-level action because Anthropic believes usage violated its policies or terms.

First, distinguish three situations

The first category is normal usage limits. Claude Pro, Max, Team, API, and Claude Code have different quota models. Peak-hour use, long context, coding tasks, and agent workflows may consume limits faster. Seeing “limit reached” does not necessarily mean your account is banned.

The second category is subscription or authorization trouble. For example, payment may have succeeded but access has not refreshed, a mobile subscription may not match the web account, Claude Code may not be logged in correctly, or an old ANTHROPIC_API_KEY may remain in your environment. Start by checking billing, login state, and client configuration.

The third category is account suspension or termination. Typical signs include emails mentioning suspension, disabled account, or termination, or a login page that says the account is unavailable. In this case, do not repeatedly switch devices, networks, and accounts to try again. That may make the risk signals more complicated.

Common triggers

Anthropic’s help and privacy documentation mention common risk areas such as violations of the Usage Policy, account creation or use from unsupported regions, terms violations, repeated violations, unusual access, and abuse.

In practice, risky patterns include:

Account registration, login region, and payment region do not match.
Long-term use of datacenter proxies, shared proxies, or frequent IP switching.
Multiple people sharing one personal account.
Frequent logins from many devices or regions in a short time.
Automated high-frequency access to Claude.ai.
Treating Claude Code as a shared service or resale entry point.
Requesting content that clearly violates Anthropic’s policies.
Conflicts among payment method, billing address, and account region.

The key is not that any single signal always causes suspension. The risk increases when multiple abnormal signals appear together.

Do not solve it by evading risk controls

Online advice often suggests “stable usage solutions” such as fingerprint browsers, device fingerprint reset, deleting local folders, changing environments, aligning time zone and language, or registering with a new email. Some of this is ordinary troubleshooting, but some is clearly aimed at evading platform risk controls.

Do not treat “bypassing risk control” as the solution. Reasons are simple:

It may violate the terms of service.
It may add more account risk signals.
It does not solve root causes such as payment, region, or policy violations.
For team or business use, it makes later appeals harder to explain.

If your goal is long-term stable use of Claude, the right direction is not disguise. It is making account information, region, payment, device, and usage real, consistent, and explainable.

Troubleshooting Claude Code limits

Claude Code users can start with:

1
2

claude --version
claude auth status

If you use an API key, confirm that the environment variable points to the right account:

`1`	`echo $ANTHROPIC_API_KEY`

In Windows PowerShell:

`1`	`echo $env:ANTHROPIC_API_KEY`

If you have used web login, OAuth, API keys, third-party clients, or different terminals, standardize the authentication method first. One tool may still be using old credentials.

Also distinguish two cases:

Claude Code reached its usage limit: usually a quota or subscription issue.
The account or organization is disabled: usually an account, organization, payment, or policy risk issue.

For the first, wait for quota refresh or adjust the plan. For the second, keep screenshots and emails, then use official support or appeal channels.

Compliant stability tips

To reduce the chance of account problems, start with the basics:

Use a normal account in a supported country or region.
Keep login region, payment method, and billing information consistent when possible.
Avoid sharing a personal account among multiple people.
Do not use a personal Pro/Max account as a team API pool.
Avoid frequent changes of IP, device, and browser environment.
Do not use unknown third-party Claude clients.
Avoid high-frequency automation against Claude.ai’s web interface.
For business or team use, prefer Team, Enterprise, or API plans.
Read Anthropic’s Usage Policy and avoid restricted use cases.

If you genuinely need to use Claude on multiple devices, log in normally. Do not keep clearing environments, changing fingerprints, or switching proxies. Excessive environment manipulation can itself look abnormal.

What to do after suspension

If the account is already suspended, handle it in this order:

Check emails from Anthropic or Claude and confirm the stated reason or message type.
Stop creating new accounts, changing networks, and retrying from more devices.
Collect account email, subscription order, payment proof, and recent usage context.
If you believe it is a mistake, submit an appeal or contact support through official channels.
Explain the real usage scenario. Do not invent region, identity, or purpose.
If payment is involved, ask separately about refund or subscription handling.

When appealing, be specific. Mention whether you used Claude Code, switched devices, used a VPN, shared with a team, or connected third-party tools. The platform needs to identify the source of risk. A vague “I did nothing” usually does not help much.

Claims to treat carefully

Some posts or videos claim that “fixed fingerprints prevent bans”, “one browser prevents suspension completely”, “deleting one directory resets device identity”, or “matching IP, time zone, and language solves everything”. Do not accept these claims uncritically.

Platform risk systems are usually multidimensional. They do not only look at browser fingerprint or IP. Account history, payment information, region policy, content, access frequency, automation patterns, client version, and API calling behavior may all matter. Single-signal disguise is not long-term stability and may create more inconsistencies.

More importantly, many so-called anti-ban solutions are actually selling tools or services. What users really need is to identify the risk source, use the service compliantly, and preserve appeal evidence, not rely on third-party environment wrappers for account safety.

Summary

Claude account suspension or Claude Code limitation is not always caused by one thing. It may be quota, subscription, authorization, or a combined risk signal involving region, payment, device, sharing, automation, or policy-sensitive content.

The key to long-term stable use of Claude is not bypassing risk controls. It is compliant usage, consistent account information, stable access patterns, and formal plans for team use. If an account is suspended, stop manipulating the environment, preserve evidence, and use official appeal and support channels.

References:

Why ChatGPT Says 'This Chat Was Flagged for Possible Cybersecurity Risk' and What to Do

Wed, 06 May 2026 00:17:00 +0800

When using ChatGPT or similar large language models, you may occasionally see a notice: “This chat was flagged for possible cybersecurity risk.” This means the platform’s automated safety system has detected that the conversation may violate its usage policies.

Below is an analysis of what triggers this notice, what it actually affects, and how to respond.

Why a Chat May Be Flagged

Sensitive Input

The conversation may contain content that could be interpreted as harmful, such as:

Requests to generate malicious code or scripts.
Analysis or exploitation of network vulnerabilities.
Questions related to illegal activities.
Instructions for bypassing security restrictions.

False Positive

Even when the intent is legitimate code analysis or technical research, the system may still misread cybersecurity-related terminology as a potential attack attempt. AI moderation models tend to be sensitive to keywords, and the line between technical discussion and offensive behavior is not always precise.

Platform Review Mechanism

The system automatically scans conversation content for risk assessment. In newer versions, such as the April 2026 update, this kind of notice appears more often, suggesting that the platform may have introduced a stricter external review process.

What Happens After the Notice Appears

The current chat may be stopped: The platform may restrict or halt generation in the current conversation.
Risk records: Repeated risk-control triggers may be recorded, and accumulating too many of them could affect account status.
A trend toward higher sensitivity: Review mechanisms are becoming stricter, making technical discussions more likely to hit boundary cases.

How to Handle It

Start a New Chat

The most direct approach is to abandon the current conversation and click “New Chat” to start fresh. The previous context will no longer carry over, so the same moderation trigger usually will not repeat.

Adjust Your Prompt

Review what you entered earlier, remove terms that may be judged sensitive, and ask in a more neutral way. For example, change “how to bypass a certain restriction” to “what is the principle behind this restriction,” or change “how to write an attack script” to “what mechanisms do scripts of this type typically use.”

Do Not Try to Bypass It

Avoid using prompt injection or similar methods to force the AI to answer questions it has refused. This increases the risk of account penalties and often backfires.

Check the Nature of Your Activity

If you were not doing anything high-risk, such as analyzing phishing links or writing malware, the issue is most likely the AI misreading technical concepts. In that case, you can consider reporting it to the platform, though the short-term effect is usually limited.

Protect Privacy

Do not submit content containing sensitive personal information or trade secrets for AI analysis. Even if it does not trigger risk control, there is still a risk of data leakage.

Prevention Tips

Use neutral wording as much as possible when discussing technical topics.
Avoid concentrating a large number of sensitive topics in a single conversation.
Regularly clean up unnecessary chat history.
Avoid frequently testing moderation boundaries on important accounts.

Summary

“This chat was flagged for possible cybersecurity risk” is usually triggered by automated moderation and does not necessarily mean the account has violated rules. The priority is straightforward: start a new chat > adjust the wording > do not fight the system head-on. In daily use, paying attention to wording boundaries can prevent most triggers.

Why ChatGPT and Codex Ask for Phone Verification at Login

Wed, 06 May 2026 00:07:43 +0800

Recently, some users have run into a situation where their ChatGPT account has already been registered, but the system asks for phone verification again when logging into ChatGPT or Codex. This is especially confusing with Codex: the account was fine for signup, so why ask for a phone number when logging into the tool?

This is usually related to account risk controls, abuse of free quotas, network environment, and account security policies. Below is a summary of common causes and how to approach them.

Why phone verification is required

The most direct reason is tighter risk controls.

Once Codex opens up to users, its free quota attracts not only legitimate users but also mass registration and quota-farming. When registration bots create accounts in bulk and drain free quotas, platforms naturally tighten verification policies.

From the user’s side, the result looks like: an account that previously only needed email or third-party login is suddenly asked for a phone number when accessing ChatGPT or Codex.

This does not necessarily mean your account has a problem. It may simply be that the login environment looks risky. For example:

You are using a network exit shared by many users.
The current IP range has been heavily used for registrations or suspicious logins.
The account is brand new but immediately accesses a resource-intensive tool.
The device, region, or network changes frequently.
Free-tier usage patterns resemble those of bulk accounts.

If you recently experienced account anomalies, login restrictions, or false bans, your network environment may have been flagged along with others using the same exit. Shared nodes used by many people carry inherently higher risk.

Why Codex triggers it more often

Codex differs from normal chat—it is closer to a development tool, potentially involves heavier resource usage, and is more attractive for bulk accounts draining free quotas.

So it is not unusual for the same account to look fine on the regular ChatGPT page but hit phone verification in the Codex login flow. Think of it as different product entry points applying different risk judgments.

For normal users, this kind of verification is usually not targeting individuals—it is aimed at curbing mass registration and quota abuse. But if your network environment is not clean, you can get caught in the crossfire.

Approach 1: Upgrade to Plus

If you use ChatGPT or Codex long-term, the simplest fix is upgrading to ChatGPT Plus.

In practice, paid accounts are generally less likely to trigger quota-abuse risk controls than free accounts. A Plus account is also better suited for stable use of Codex, advanced ChatGPT models, and other high-frequency features.

That said, upgrading to Plus does not mean you will never see another verification prompt. If it still asks for a phone number after upgrading, the common cause is still the network environment.

At this point, check:

Whether you are on a shared network used by many people.
Whether your exit IP keeps changing.
Whether you have been using low-quality proxies or public nodes long-term.
Whether many OpenAI accounts are active on the same network.

If possible, switching to a more stable and cleaner network environment before logging in is usually more effective than repeated retries.

Approach 2: Check your network environment

Many login verification problems that look like account issues are fundamentally network issues.

If a particular exit IP is shared by many users, or has been used for bulk registration, suspicious logins, or automated requests, it is more likely to be flagged. When that happens, even a legitimate user may be asked for additional verification when logging into ChatGPT or Codex.

Check from these angles:

Switch to a more stable network environment.
Avoid public, cheap, high-user-count shared nodes.
Minimize frequent region switches over short periods.
Do not rapidly switch between multiple accounts in the same browser.
If using a proxy, prefer lines with more stable quality and less abuse history.

You can also use third-party network quality detection tools to check the risk profile of your current IP, but such results are only a reference and do not fully represent OpenAI’s internal assessment.

Approach 3: Complete the phone verification as required

If the system explicitly asks for phone verification, the safest approach is to complete it as requested.

It is advisable to use a phone number you can keep long-term. That way, if your account later needs security verification, recovery, or alerts, you can handle them.

Do not bind important accounts to numbers of unknown origin, shared numbers, or numbers you cannot keep. It may get you through the short term, but in the long run it creates risks for account recovery, security audits, and secondary verification.

If you are using a work account, team account, or a development account you rely on heavily, you should especially avoid temporary numbers you cannot control. Account security matters more than short-term convenience.

What to watch for when upgrading to Plus

If you plan to upgrade to Plus, confirm a few things first:

The account itself can log in normally.
The current network environment is stable and not frequently hopping regions.
The payment method is reliable—do not use third-party proxy payments of unknown origin.
After upgrading, keep the payment record and account email safe.
Do not share the account with multiple people.

Many account problems are not caused by Plus itself, but by the network, payment, and sharing habits around the upgrade. An account that is shared by many, logged into from different locations, and frequently environment-switched can trigger security verification even if it is paid.

If you are only trying it out occasionally, a free account works fine. But if you already use Codex as a daily development tool, Plus is better suited for long-term use.

Quota farming is not recommended

The free quota for tools like Codex is meant to let regular users try and experience the product. If large numbers of bulk accounts continuously drain that quota, the platform has no choice but to keep tightening risk controls.

The result is that normal users get affected too: more login friction, more verification steps, more false bans, and higher account usage costs.

For people genuinely using Codex for coding, modifying projects, and running engineering tasks, it is more worthwhile to clean up the account and network environment than to spend time dodging risk controls. In the long run, that is easier than constantly registering new accounts, switching nodes, and dealing with verification issues.

Summary

When ChatGPT or Codex asks for phone verification at login, it is usually tied to account risk controls, free-quota abuse, and network environment risk. It does not necessarily mean the account violated any rules, but it does indicate that the current login environment or account state triggered a higher verification level.

The order of action is straightforward:

First check the network environment; avoid shared high-risk exits.
If you are a long-term user, consider upgrading to Plus.
If the system requires phone verification, use a number you can control long-term.
Avoid bulk registration, account sharing, and frequent login-environment switching.

The core of stable AI tool usage is not about bypassing verification forever—it is about keeping the account, network, and usage patterns as normal as possible. That reduces login friction and lowers the chance of collateral damage later.

OpenAI Introduces Advanced Account Security: A Stronger Layer of Protection for ChatGPT and Codex Accounts

Fri, 01 May 2026 06:15:29 +0800

OpenAI introduced Advanced Account Security on April 30, 2026, as an optional high-security setting for ChatGPT accounts.

It is mainly designed for two groups of users. One includes journalists, elected officials, political dissidents, researchers, and others who are more likely to face targeted attacks. The other includes security-conscious users who want stronger protection for their ChatGPT and Codex accounts.

Once enabled, this feature protects not only ChatGPT, but also Codex when accessed through the same login account.

Why ChatGPT accounts need a higher level of security

Many people now use ChatGPT for increasingly private and high-stakes work.

A ChatGPT account may contain:

Personal questions and long-running conversations
Work documents and project context
Connected tools and workflows
Code and development tasks in Codex
Enterprise, research, or security-related materials

If an account is taken over, the loss is not limited to leaked chat history. An attacker may also access connected tools, view sensitive context, or interfere with work in progress.

So what OpenAI is introducing is not just another login option. It is a stricter set of account protection measures.

What Advanced Account Security includes

OpenAI places this capability in the Security settings of ChatGPT accounts on the web, where users can opt in.

After it is enabled, it strengthens account security in several ways.

First, sign-in becomes stronger.

Advanced Account Security requires passkeys or physical security keys and disables password-based login. The goal is to make phishing-resistant sign-in the default for people who need it most.

Second, account recovery becomes stricter.

Traditional account recovery often relies on email or SMS. If an attacker controls a user’s email account or phone number, they may use that access to reset the account. To reduce this risk, Advanced Account Security disables email and SMS recovery and uses stronger recovery methods instead, such as backup passkeys, security keys, and recovery keys.

There is an important tradeoff here: after enabling the feature, account recovery depends much more on the user keeping those recovery methods safe. OpenAI explicitly states that if users enrolled in this feature lose their recovery methods, OpenAI Support will not be able to help recover the account.

Third, sessions become shorter and easier to manage.

OpenAI shortens sign-in sessions to reduce the exposure window if a device or active session is compromised. Users also receive login alerts and can review and manage active sessions across their devices.

Fourth, training exclusion becomes automatic.

For people handling sensitive information, preventing conversations from being used for model training is an important privacy setting. When Advanced Account Security is enabled, that preference takes effect automatically: conversations from those accounts will not be used to train OpenAI models.

Working with Yubico to promote physical security keys

OpenAI also announced a partnership with Yubico to offer users a customized security key bundle.

It includes:

YubiKey C Nano: designed to stay plugged into a laptop, reducing daily sign-in friction
YubiKey C NFC: designed as a backup and for use across laptops and mobile devices

OpenAI says users can also use other FIDO-compliant physical security keys or software passkeys.

This means Advanced Account Security is not tied to one specific piece of hardware. It is designed around phishing-resistant authentication methods.

Trusted Access for Cyber users will be required to enable it

OpenAI also says that individual members of Trusted Access for Cyber who access its more capable and permissive cybersecurity models will be required to enable Advanced Account Security starting June 1, 2026.

Organizations can meet the requirement in another way: by attesting that their single sign-on workflow already uses phishing-resistant authentication.

This arrangement makes sense. The more powerful the model capability, the stronger the account protection needs to be. This is especially true for cybersecurity research, vulnerability analysis, and red-teaming scenarios, where the account itself becomes a high-value target.

Who should consider enabling it

This feature is not necessarily for everyone.

If you only use ChatGPT for ordinary conversations and do not want to deal with the complexity of stricter recovery, it may be reasonable to wait.

But the following users should seriously consider it:

People who often handle sensitive work materials in ChatGPT
People who use Codex with private code repositories
Journalists, public affairs professionals, researchers, executives, and other high-risk users
Cybersecurity professionals
People already comfortable with passkeys or physical security keys
People especially concerned about phishing, SIM swapping, or email account takeover

Before enabling it, it is best to prepare backup passkeys, security keys, and recovery keys, and make sure they are stored properly. Otherwise, security improves, but account recovery becomes much harder.

What this means for AI products

Advanced Account Security is not a model capability update, but it reflects the fact that AI products are entering higher-risk usage.

As ChatGPT and Codex begin to carry workflows, code, documents, enterprise connectors, and long-term context, the account is no longer just a way to “log in to a chat tool.” It becomes the key to an AI work environment.

The more these products resemble personal workspaces, the more important account security, recovery mechanisms, session management, and training-data controls become.

OpenAI’s decision to put passkeys, physical security keys, recovery restrictions, session management, and training exclusion into one setting is the right direction. It gives high-risk users a clear place to raise account protection to a level more suitable for sensitive work.

Conclusion

Advanced Account Security can be understood as a high-security mode for ChatGPT and Codex.

It reduces the risk of account takeover through stronger sign-in, stricter recovery, shorter sessions, login alerts, and automatic training exclusion. The tradeoff is that users must manage their own recovery methods more carefully, because traditional email and SMS recovery are no longer available after enabling it, and OpenAI Support cannot serve as a fallback.

If you already use ChatGPT or Codex for important work, especially involving private code, sensitive documents, or a high-risk identity, this feature is worth paying attention to.

Reference link:

Introducing Advanced Account Security - OpenAI

Claude Identity Verification: Why It Exists, What You Need, and How Data Is Handled

Thu, 16 Apr 2026 09:20:00 +0800

Anthropic is gradually rolling out identity verification on Claude. According to the official help article, this is not simply an added barrier. It is part of platform integrity, safety, compliance, and abuse-prevention work.

In short, Claude identity verification is meant to solve three problems:

Confirm who is using powerful AI tools.
Help enforce usage policies and reduce abuse.
Meet necessary legal and compliance obligations.

If you see an identity verification prompt while accessing certain Claude features, it usually means the platform is running a routine safety and compliance check. Anthropic also states that verification data is used only to confirm your identity, not for other purposes.

01 When Verification May Be Required

The official document does not list every trigger condition. It only says identity verification is being rolled out for some use cases and may appear when you access certain features.

That means a verification prompt does not necessarily mean your account has a problem. More common cases include:

You are using a feature that requires a higher trust level.
The platform is running an integrity check.
Your account or usage scenario has triggered a safety and compliance process.

From a user perspective, the most important thing is knowing what you need before the verification flow starts.

02 Who Handles Verification

Claude identity verification is handled by Anthropic together with the third-party verification provider Persona Identities.

Anthropic says it chose Persona because of:

Technical strength
Privacy controls
Security safeguards

In practice, Anthropic sets the rules for how verification data is used and retained, while Persona processes the verification flow according to Anthropic’s instructions.

03 What You Need

Before starting verification, prepare three things:

Item	Notes
A valid government-issued photo ID	It must be a physical document and available nearby
A phone or computer with a camera	You may need to take a live selfie or use a webcam
A few minutes	Verification usually takes less than 5 minutes

If your ID is not nearby or your device has no camera, the verification process may be interrupted.

04 Accepted ID Types

Anthropic accepts original, physical, government-issued photo IDs from most countries. Common examples include:

Passport
Driver’s license
State, provincial, or regional ID
National ID card

The document must meet these basic requirements:

Issued by a government
Includes your photo
Clear and readable
Undamaged
Not a copy or screenshot

05 What Is Not Accepted

These materials generally cannot be used for Claude identity verification:

Copies
Screenshots
Scans
Photos of photos of an ID
Digital or mobile IDs, such as mobile driver’s licenses
Non-government IDs, such as student IDs, employee badges, library cards, or bank cards
Temporary paper IDs

This is an easy place to make a mistake. The requirement is not just “readable”; it must be an original, physical, government-issued ID.

06 How Data Is Protected

This is the most important part of the document.

Anthropic’s explanation can be summarized as follows:

Anthropic is the data controller for verification data and sets rules for use and retention.
Persona is the processor and performs verification on Anthropic’s behalf.
ID documents and selfies are collected and stored by Persona, not directly in Anthropic’s systems.
Anthropic can access verification records through Persona when needed, such as when reviewing appeals.
Persona is contractually limited in how it can use the data, mainly to provide and support verification and improve fraud prevention.
Data sent to Persona is encrypted in transit and at rest.

In other words, the ID and selfie you submit are not treated as ordinary account profile data for general use. They are restricted to identity verification and compliance workflows.

07 What Anthropic Says It Does Not Do

The official article explicitly lists several things Anthropic does not do:

It does not use identity verification data to train models.
It does not collect more information than needed to verify identity.
It does not use identity data for marketing, advertising, or unrelated purposes.
It does not share verification data with unrelated third parties unless legally required to respond to valid legal process.

This matters because the sensitive part of identity verification is not only taking a photo of an ID, but what happens to the data afterward. Anthropic’s position in this document is that verification data is used only for identity confirmation, legal obligations, and safety compliance.

08 What If Verification Fails

Verification can fail for ordinary reasons, including:

Blurry photos
Poor lighting
Unclear ID information
Expired documents
Technical issues

Anthropic recommends this order:

Try again. The verification flow usually allows multiple attempts.
Retake the photo in better lighting.
Check that the ID is clear, complete, and not expired.
If you have another government-issued photo ID, try that.
If you run out of attempts and still cannot verify, contact support through the official form.

In practice, the most common fix is better lighting and a properly focused camera.

09 Why an Account May Still Be Disabled After Verification

Passing identity verification does not guarantee that an account will never be restricted. Anthropic says accounts may still be disabled for other safety-process reasons, such as:

Repeated violations of usage policies
Creating an account from an unsupported location
Violating the Terms of Service
Use by someone under 18

If you believe your account was disabled by mistake, you can submit the official appeal form with your account information so the safety team can investigate.

10 How Users Should Prepare

If you plan to keep using Claude, especially higher-trust features, prepare these things ahead of time:

Have a valid, unexpired, physical government-issued photo ID ready.
Make sure your camera works, ideally on both phone and computer.
Verify in a well-lit environment.
Do not upload screenshots, scans, or photos of ID photos.
If verification fails, check image clarity and lighting before contacting support.

For most users, Claude identity verification is not a complicated process, but it is strict about document authenticity. If the document type is correct and the photo is clear, it usually takes only a few minutes.

Account Security on KnightLi Blog

What to Do if Your Claude Account Is Suspended: Claude Code Limits and Appeal Guide

First, distinguish three situations

Common triggers

Do not solve it by evading risk controls

Troubleshooting Claude Code limits

Compliant stability tips

What to do after suspension

Claims to treat carefully

Summary

Why ChatGPT Says 'This Chat Was Flagged for Possible Cybersecurity Risk' and What to Do

Why a Chat May Be Flagged

Sensitive Input

False Positive

Platform Review Mechanism

What Happens After the Notice Appears

How to Handle It

Start a New Chat

Adjust Your Prompt

Do Not Try to Bypass It

Check the Nature of Your Activity

Protect Privacy

Prevention Tips

Summary

Why ChatGPT and Codex Ask for Phone Verification at Login

Why phone verification is required

Why Codex triggers it more often

Approach 1: Upgrade to Plus

Approach 2: Check your network environment

Approach 3: Complete the phone verification as required

What to watch for when upgrading to Plus

Quota farming is not recommended

Summary

OpenAI Introduces Advanced Account Security: A Stronger Layer of Protection for ChatGPT and Codex Accounts

Why ChatGPT accounts need a higher level of security

What Advanced Account Security includes

Working with Yubico to promote physical security keys

Trusted Access for Cyber users will be required to enable it

Who should consider enabling it

What this means for AI products

Conclusion

Claude Identity Verification: Why It Exists, What You Need, and How Data Is Handled

01 When Verification May Be Required

02 Who Handles Verification

03 What You Need

04 Accepted ID Types

05 What Is Not Accepted

06 How Data Is Protected

07 What Anthropic Says It Does Not Do

08 What If Verification Fails

09 Why an Account May Still Be Disabled After Verification

10 How Users Should Prepare

Related Links