ProofPoint email-protection ML model evasion via copy-cat training
Date: 2019
Affected: ProofPoint email-protection ML model
Attack vector: model-extraction
Category: research
Severity: High

ML researchers built a copy-cat email-protection model from ProofPoint outputs and used the insights to craft malicious emails that received preferable scores, undetected by ProofPoint.


Mitigations:

Architectural layers (MAESTRO):