Why Signature-Based Email Security Is Dying – and What to Use Instead
Why Signature-Based Email Security Is Dying – and What to Use Instead The way attackers use email has changed fundamentally. For years, antivirus engines and spam filters relied on signatures—digital fingerprints of known malicious files or URLs. If a piece of malware had been seen before, the filter blocked it. That model assumed threats were static and could be cataloged. That assumption no longer holds. ...