The second paragraph is almost verbatim to the statement I was about to say in response to the OP. Blacklists do not work. Antivirus software checks for a hund

The second paragraph is almost verbatim to the statement I was about to say in response to the OP. Blacklists do not work. Antivirus software checks for a hundred thousand individual known problems, yet viruses and malware continue to evolve and bypass the blacklist. So do explosives hiding in containers that the TSA doesn't expect to find explosives in.