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TA419 phishing campaign targeted AI-policy specialists

Original: Proofpoint says TA419 impersonated AI-policy figures and used a real-time Microsoft 365 phishing proxy against fewer tha

Security firm Proofpoint reports that the threat group TA419 impersonated prominent AI-policy figures and used a real-time Microsoft 365 phishing proxy to steal authenticated login sessions. The highly targeted campaign hit fewer than ten specialists. Researchers say it shows how attackers can capture live sessions, though successful compromises and government attribution remain unclear.

Why now: New Proofpoint research shows an APT-style campaign weaponising AI-policy lures and phishing proxies against a small set of high-value targets.

ProofpointTA419Microsoft 365

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Evidence

• Proofpoint says TA419 impersonated AI-policy figures and used a real-time Microsoft 365 phishing proxy against fewer than ten specialists. The campaign shows how attackers can capture authenticated sessions, while successful compromise and government attribution remain… · news@newtqnia.com · 1

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