My metamask also got drained a while back. likely they have got access to your PC and hacked your metamask key and logged the password when you typed on keyboard. Could have been a malicious program or email phishing. This is what happened to me anyway.
My metamask also got drained a while back. likely they have got access to your PC and hacked your metamask key and logged the password when you typed on keyboard. Could have been a malicious program or email phishing. This is what happened to me anyway.