Why Signature-Based Email Security Is Failing — and What to Do About It
Why Signature-Based Email Security Is Failing — and What to Do About It If you think the spam filter in your inbox is enough to keep you safe, you might want to reconsider. Cybercriminals have moved past the mass‑mailing, “Nigerian prince” approach. They are now building what security researchers call bespoke kill chains — personalized attack sequences that feel so natural and context‑aware that even careful users can be fooled. And the traditional signature‑based email filters most people rely on? They do not stand a chance. ...