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Proofpoint email and human-centric security news: threat research, product launches and ransomware studies.

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Newest first. Within each, the most-clicked headlines come first.

Volume 342, Issue 4

2026-09-21 – 2026-09-27
  1. Proofpoint Brings OpenAI GPT Cyber Models Into Security Operations to Help Defenders Investigate Threats Faster
  2. Proofpoint SOC Analyst Agent Uses OpenAI Cyber Models
  3. Proofpoint Expands AI-Powered Investigations to Microsoft 365 and Deepens Insider Risk Visibility Into AI Activity
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