Was your email in a data breach?
Check it against known breaches and leak lists in seconds. See how many include you, how bad, and what to fix first, in plain words.
The short answer
Updated 22 October 2026 · Reviewed by the Sigrel team, Texas
Most email addresses have been in at least one data breach. That is not the question; the question is what leaked with it. A breach that exposed an old password paired with your email is the one to fix today, because attackers try that pair on every other site. The free scan shows how many known breaches include your email and the worst severity; a free account shows which ones, what leaked in each, and the fix in order.
Behind every scan
What is checked, how often, and what you get back. The details, in plain words.
Sources
3 breach-intelligence partners and public leak lists
Each one named in Help with what it covers.
What we watch
6 kinds of identifier
Email, phone, username, gaming handle, email alias and your own domain. Hashed on your device first.
Schedule
Rechecked on a schedule you can see
Every result shows when it last ran. Daily on Pro.
What you get
A fix for every finding
The minutes it takes and the points it gets back. Broker removal across 200+ sites on Pro.
How Sigrel helps
Found in a breach? Fix it step by step.
Every breach that includes you, newest first
What leaked in each, how long the fix takes, and the points it gets back. Pro reveals the exposed data itself.
A score you can move
One number for how protected you are, every point explained, one Act-now at a time.
Passwords, two-step, credit freeze
The Security checkup and the Credit lockdown walkthrough, each with the time it takes.
Why it matters
A leaked password is tried everywhere.
Credential stuffing is the attack that turns an old breach into a new loss.
CISA · guidance
Reuse is the risk
Government guidance is consistent: unique passwords per site and two-step sign-in stop the attack that follows a breach. Sigrel tells you which accounts to start with.
Source ↗Sigrel · what’s coming
What leaked about you predicts the scams you will see
The forecast links what is exposed about you to the scam types most likely to reach you, and says what to watch for.
Source ↗Questions
Plain answers.
What do you store from the free scan?
Nothing about you. The email is used for the lookup and discarded; the result is shown to you and not kept. With a free account you choose what Sigrel watches, and those identifiers are hashed on your device before anything is compared.
How is this different from Have I Been Pwned?
Both tell you whether an email appears in known breaches. Sigrel also shows what leaked in each breach, which to fix first and how long it takes, keeps checking on a schedule you can see, and shows the scams going around your county that use what leaked.
I got a breach notification letter. What should I do?
Change the password on that account, turn on two-step sign-in, and run the free scan to see whether the same password or email is in other leaks. If the letter mentions Social Security numbers, freeze your credit; the Credit lockdown playbook walks through it.
Why does the result hide the breach names?
Because which breaches include you is personal data, and we want you signed in before we show it. The count and the worst severity are free; the names, what leaked and the fix come with a free account, no card.
Can I cancel any time?
Yes. The free account stays free. Core and Pro are month to month or yearly, and you can cancel from Settings.
See what’s exposed. It takes seconds.
No account, no card, your email is not stored.