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Dark Reading
A simple toggle in Proofpoint's email service allowed for brand impersonation at an industrial scale. It prompts the question: Are secure email gateways (SEGs) secure enough?
Bleeping Computer
A massive phishing campaign dubbed "EchoSpoofing" exploited a security gap in Proofpoint's email protection service to dispatch millions of spoofed emails impersonating big entities like Disney, Nike, IBM, and Coca-Cola, to target Fortune 100 companies. [...]
The Hacker News
An unknown threat actor has been linked to a massive scam campaign that exploited an email routing misconfiguration in email security vendor Proofpoint's defenses to send millions of messages spoofing various legitimate companies. "These emails echoed from official Proofpoint email relays with authenticated SPF and DKIM signatures, thus bypassing major security protections — all to deceive
The Register
They DKIM here, they DKIM there A huge phishing campaign exploited a security blind-spot in Proofpoint's email filtering systems to send an average of three million "perfectly spoofed" messages a day purporting to be from Disney, IBM, Nike, Best Buy, and Coca-Cola – all of which are Proofpoint customers.…