EchoSpoofing: Millions Targeted in Proofpoint Email Breach Cyber Security EchoSpoofing: Millions Targeted in Proofpoint Email Breach do son July 30, 2024 An unknown attacker exploited a vulnerability in the email routing settings of Proofpoint to send mass fraudulent... Read More Read more about EchoSpoofing: Millions Targeted in Proofpoint Email Breach