Data Breach Check
When a company you've signed up with is breached, your email address and password can end up in the hands of attackers — who then try them against your other accounts. Enter your email to check it against known public data breaches: which breaches it appeared in, when, and what data was exposed. We check your address, we don't store it.
Almost ready
This tool is being activated — check back soon
We're putting the finishing touches on our data-breach lookup. It'll be live here shortly — check back soon and you'll be able to see whether your email has appeared in a known breach.
In the meantime, our Email Security Checker is ready now — it tests whether attackers can spoof your domain (SPF, DKIM, DMARC and more) in a few seconds.
Breach check for —
—
Where your email showed up
Being in a breach doesn't always mean your current password is exposed — but it's a strong signal to change reused passwords and switch on multi-factor authentication (MFA) everywhere.
No known breaches found — that's good news.
Your email didn't appear in any of the public breaches we check. That's not a guarantee you've never been exposed (not every breach becomes public), so it's still worth using a password manager, unique passwords and multi-factor authentication (MFA) on every account.
Use — Guide
How to use this tool
- This tool is currently being activated — live breach lookups will be available here shortly, so check back soon.
- Once live: enter the email address you want to check and press "Check my email".
- The tool queries a breach database via our server-side proxy; your email is checked but never stored.
- If your email has appeared in a breach, the results show which breaches, when they occurred, and what data types were exposed.
- Review the result and use the optional contact form to speak to Peritus Digital about securing your accounts with MFA and a password manager.
FAQ — Questions
Frequently asked questions
01What will this tool check once it is live?
It will check your email address against a database of publicly known data breaches. You'll see which breaches your address appeared in, when they occurred, and what types of data — such as passwords, phone numbers or financial details — were exposed in each one.
02Is my email address stored when I run a check?
No. Your email is sent securely to our server, checked against the breach database, and never stored or logged. The result is returned directly to your browser and the address is discarded from our server.
03Why does the tool say it is being activated?
The breach lookup requires a live API key that is being configured. The tool's interface is ready — it will switch to live results automatically once the service is activated. In the meantime, try our Email Security Checker to assess your domain's email defences.
04What should I do if my email appears in a breach?
Change the password on any account that shared the breached password, enable multi-factor authentication (MFA) on all accounts, and consider a password manager so every account has a unique credential. Peritus Digital can help roll out MFA and dark-web monitoring across your business.
More — Keep exploring
Related free tools
Want hands-on help, not just a check? Explore ourCyber Security service.
Worried about exposure?
Peritus can help secure your accounts and lock attackers out.
Exposed credentials are how most business breaches start. Our Newcastle team rolls out multi-factor authentication, a password manager, dark-web monitoring and staff phishing training — so a leaked password somewhere else can't become a breach of your business. Send your result through and we'll come back with clear next steps.
Prefer to talk? Call 02 4081 9500.