How do I check if my password is breached?

Use breach checkers that compare your password against 10B+ leaked credentials using secure hashing.

What if my password is in a breach?

Change immediately on ALL sites. Enable 2FA. Use a password manager for unique passwords.

Is checking passwords safe?

Reputable tools use k-anonymity—they hash your password first. Never enter passwords on sketchy sites.

What makes passwords secure?

Length > complexity. 16+ characters, unique per site, use password manager, enable 2FA.

How common are breaches?

10+ billion credentials leaked. Assume your data is in at least one breach. Check haveibeenpwned.com.

Can I reuse strong passwords?

Never. Breached strong passwords are still compromised. Credential stuffing attacks try them everywhere.

Best password manager?

Bitwarden (free), 1Password (easy), Proton Pass (private). Avoid browser password managers on shared computers.

What is credential stuffing?

Attackers try breached username/password combos on other sites. Succeeds 65% of the time due to password reuse.

Loading Your 'Secure' Password Is Probably in a Database Right Now

Your 'Secure' Password Is Probably in a Database Right Now

I checked my 'super secure' 12-character password against 10 billion leaked credentials. It was there. Here's how to check yours and what to do about it.

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