https://haveibeenpwned.com/
Have I Been Pwned allows you to check whether your email address has been exposed in a data breach.
https://databreach.com/
Find out if your personal information was compromised in data breaches. Search your email on DataBreach.com to see where your data was leaked and learn how ...
https://www.microsoft.com/en-us/security/business/security-101/what-is-a-data-leak
A data leak is an unauthorized disclosure of sensitive, confidential, or personal information from an organization's systems or networks to an external party.
https://en.wikipedia.org/wiki/Data_breach
A data breach, also known as data leakage, is the unauthorized exposure, disclosure, or loss of personal information.
https://www.windowscentral.com/artificial-intelligence/openai-chatgpt/openai-confirms-major-data-breach-exposing-users-names-email-addresses-and-more-transparency-is-important-to-us
2 days ago — ChatGPT maker OpenAI confirms major data breach, exposing user's names, email addresses, and more — "Transparency is important to us." · Names ...
https://www.fortinet.com/resources/cyberglossary/data-leak
A data leak happens when an internal party or source exposes sensitive data, usually unintentionally or by accident. The results of a data leak can range ...
https://www.forbes.com/sites/zakdoffman/2025/11/06/13-billion-unique-passwords-exposed-in-extensive-data-leak/
Nov 6, 2025 — 2 billion email addresses, 1.3 billion unique passwords, 625 million of which have not been seen before. Are we paying attention yet?
https://openai.com/index/mixpanel-incident/
2 days ago — The incident occurred within Mixpanel's systems and involved limited analytics data related to some users of the API. Users of ChatGPT and other ...
https://www.scribd.com/document/763069950/BSNL-Data-Leak
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https://idprotect.trendmicro.com/en-us/leakchecker
Data Leak Checker. We'll check the internet and dark web for your email address or mobile phone number. Email Address. Check now. Check now.
https://www.patrowl.io/en/actualites/facebook-2021-data-leak
533 million Facebook accounts leaked. "A Facebook data leak, you tap in a trash can, there are 10 that come out." Jean-Michel ...Read more
https://www.proofpoint.com/us/threat-reference/data-leak
A data leak unintentionally exposes sensitive, protected, or confidential information outside its intended environment. This happens for various reasons, ...
https://www.ftc.gov/business-guidance/resources/data-breach-response-guide-business
Notify law enforcement. Call your local police department immediately. Report your situation and the potential risk for identity theft. The sooner law ...
https://www.kcra.com/article/northern-california-codered-cyberattack-data-leak/69549321
An emergency notification system was the target of a cyberattack that exposed users' personal data, including for people across multiple ...
https://www.ibm.com/think/topics/data-leakage
Data leakage occurs when sensitive information is unintentionally exposed to unauthorized parties.
https://www.reddit.com/r/technology/comments/1p7yrrv/chatgpt_maker_openai_confirms_major_data_breach/
ChatGPT maker OpenAI confirms major data breach, exposing user's names, email addresses, and more — "Transparency is important to us." r/ ...
https://www.avast.com/hackcheck
Our data leak checker helps you find out if your email account is safe from cybercriminals. Do more to protect your online accounts today with a simple email ...
https://www.imperva.com/learn/data-security/data-breach/
A data breach or data leak is the release of sensitive, confidential or protected data to an untrusted environment.
https://www.naag.org/issues/consumer-protection/consumer-protection-101/privacy/data-breaches/
A data breach is the unlawful and unauthorized acquisition of personal information that compromises the personal information.
https://idprotect.trendmicro.com/en-us/leakchecker
Search the dark web to see if your personal info has been compromised in a data breach. Get support and advice if you're a victim of identity theft.