Keep credential-stuffing bots out of the login page
Attackers replay usernames and passwords stolen from other breaches against your login form, hoping a few pairs still work.
Request a site audit94% of authentication requests
came from bots during one measured week in March 2025. It is not only a volume problem: among companies that suffered an account takeover, 85% already had some form of bot detection running.
Read the researchWhat the traffic looks like
Breached credentials, replayed
Usernames and passwords leaked in one breach get tried against every other login form on the internet, including yours.
One attempt, one identity
Each login attempt rotates its IP address and device fingerprint, so no single request repeats.
A browser that passes the obvious checks
Patched Chromium clears the checks that only look for the CDP automation flag.
What runs against this traffic
Proof of execution
Checks run inside an obfuscated virtual machine whose code paths change on every build.
To answer at all, an attacker has to drive a real, unpatched browser through the full check. That is the expensive part.
Read moreClient validation
Everything the client reports is checked for tampering and for the contradictions automation leaves behind.
A script that submits the login form correctly still fails the checks running around it.
Read more
Traffic doesn't stop at one attack
Want to see what reaches your site?
A site audit shows the crawler families reaching your domain and the pages where you may need more control.