Contact LC9 Defence

Email support@lc9defence.com and we aim to reply within two working days.

Reporting a false positive

If LC9 flagged a file you know is safe, tell us the file name, where it came from, and the threat name LC9 showed. Please don't email the file itself.

Reporting a security problem in LC9 Defence

If you've found a vulnerability in our app or website, please tell us privately first so we can fix it before it's made public.