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 to
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.
https://haveibeenpwned.com/
Have I Been Pwned allows you to check whether your email address has been exposed in a data breach.
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.
https://www.ftc.gov/business-guidance/resources/data-breach-response-guide-business
Move quickly to secure your systems and fix vulnerabilities that may have caused the breach. The only thing worse than a data breach is multiple data breaches.
https://leak-lookup.com/
Leak - Lookup makes searching database leaks easy and fast. Offering username, email, ipaddress searches over thousands of data breaches/dumps, ...
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://tech.co/news/data-breaches-updated-list
Business of all sizes have fallen victim to data breaches over the last few years, resulting in millions of dollars being lost.
https://socradar.io/resources/radar/leaked-large-databases/
We select and display the large leaked databases on the deep web and darknet hacker forums and channels below.Read more
https://socradar.io/resources/radar/leaked-large-databases/
We select and display the large leaked databases on the deep web and darknet hacker forums and channels below.Read more
https://www.reddit.com/r/cybersecurity/comments/1ksrnlg/major_data_leak_exposed_184m_facebook_snapchat/
The database with details on over 184 million accounts, uncovered by security researcher Jeremiah Fowler, reveals the extent of the effectiveness of ...
https://www.ransomware.live/
Our platform continuously monitors and scrapes ransomware group leak sites to identify and list newly published victims.
https://www.upguard.com/blog/biggest-data-breaches-us
Nov 26, 2025 — A record number of 1862 data breaches occurred in 2021 in the US. This number broke the previous record of 1506 set in 2017 and represented a 68% increase.
https://support.microsoft.com/en-us/topic/national-public-data-breach-what-you-need-to-know-843686f7-06e2-4e91-8a3f-ae30b7213535
According to National Public Data, a malicious actor gained access to their systems in December 2023 and leaked sensitive data onto the dark web from April 2024 ...
https://www.paloaltonetworks.com/cyberpedia/data-leak
A data leak is a security incident where confidential, protected or sensitive data is released to an environment where the data is not meant to exist.
https://www.avast.com/en-us/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://security.stackexchange.com/questions/33323/what-is-the-easiest-way-to-search-massive-leaked-databases-for-persons-and-pers
Mar 28, 2013 — Download the database and use grep -i to search for your name. You can find grep for Windows too. It might spit out binary junk, but that means ...
https://www.breachsense.com/breaches/
Companies Hacked This Week. Our data breach tracker below shows the most recent ransomware attacks in 2025. We index data directly from threat actor leak sites.
https://www.crowdstrike.com/en-us/cybersecurity-101/data-protection/data-leaks-vs-data-breaches/
Apr 30, 2025 — The risk of data leaks is typically due to internal errors by the organization that owns the data. This can include misconfigured databases, ...
https://informationisbeautiful.net/visualizations/worlds-biggest-data-breaches-hacks/
Data visualization of the world biggest data breaches, leaks and hacks. Constantly updated. Powered by @VizSweet.