* Add Security Policy As recommended in #988 * Update SECURITY.md - Don't condone attacks against live user accounts/data: https://github.com/privacytoolsIO/privacytools.io/pull/1001#issuecomment-504210270 - Add announcement process if user data is affected: https://github.com/privacytoolsIO/privacytools.io/pull/1001#discussion_r296408553