Check If Your Email Was Exposed in a Data Breach

Type your email into XposedOrNot's search box above and hit "Check My Email." We'll scan billions of exposed records and show you every breach your email appeared in, what data was leaked, and a risk score so you know where you stand. No signup needed.

Yes, XposedOrNot's domain breach checker shows you exactly how exposed your company is, including the number of breaches, total records leaked, and a breakdown of what types of data were compromised. It's a quick way for security teams to assess their organization's breach footprint.

No catch, every tool on XposedOrNot is free, including email breach checking, password leak checks, domain monitoring, breach alerts, and the CXO dashboard. The entire project is open source on GitHub. We believe breach awareness shouldn't cost anything.

XposedOrNot doesn't store the emails you search or your results. Queries are processed in memory and never logged in any identifiable form. You can read the full details in our privacy policy.

If your email was found in a data breach, change the password for that account immediately. If you reused that password anywhere else, change those too. Turn on two-factor authentication wherever you can. Then set up XposedOrNot's free breach alerts so you'll know the moment your email shows up in a future breach. We've put together a detailed guide on what to do after a data breach.

Yes, XposedOrNot's password leak checker searches over 835 million exposed passwords. It uses SHA-3 Keccak-512 hashing, which means your actual password is never sent or stored. We only compare a one-way hash. If your password shows up, change it everywhere you've used it.

XposedOrNot's data breach lookup scans billions of exposed records and instantly shows every breach your email appeared in, what data was leaked, and a risk score. Enter your address in the search box above to run a free check. No signup, no cost.

Yes, XposedOrNot checks stealer logs free of charge. Data captured by infostealer malware, including browser-saved passwords, session cookies, autofill data, and crypto wallets, is indexed and appears in your regular email search and domain scans at no cost. Other services gate stealer-log access behind paid plans. Read the launch post for details.

Yes, XposedOrNot connects to SIEM and threat-intel platforms. Connectors for Microsoft Sentinel, Splunk, Wazuh, and Maltego are live today, and integrations for MISP, TheHive/Cortex, and OpenCTI are on the way. You can also build your own with official SDKs in eight languages or connect AI assistants through our MCP server. See the integrations page for current status and setup guides.