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Threat Insight

April 13, 2026

Anna Akselevich, Pavel Asinovsky, and Yaniv Miron

Mailbox rules in O365—a post-exploitation tactic in cloud ATO

Threat Insight

April 01, 2026

Mark Kelly, Georgi Mladenov, and the Proofpoint Threat Research Team

I’d come running back to EU again: TA416 resumes European government espionage campaigns

Threat Insight

March 30, 2026

The Proofpoint Threat Research Team

Security brief: tax scams aim to steal funds from taxpayers

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Threat Insight

A diverse team of security and IT leaders meeting in a glass conference room, collaborating around a table with laptops—symbolizing full accountability and governance across AI and enterprise security initiatives at Proofpoint.

March 17, 2026

Sumit Dhawan

Intent by Design: Security for Autonomous AI Read More

February 26, 2026

Tom Corn

Proofpoint selected for AWS Security Hub Extended Plan: a milestone for best-of-breed cybersecurity Read More

February 09, 2026

Sumit Dhawan

Built for What’s Next: Proofpoint’s 2025 Results and the Opportunity Ahead Read More

November 17, 2025

Cybersecurity in 2026: Agentic AI, Cloud Chaos, and the Human Factor Read More

Cybersecurity for the agentic workspace starts with Proofpoint’s human and agent-centric security platform.

Join a live Protect event—learn how to protect people, data, and AI

Stop cyberthreats with AI-driven multichannel protection.

Experience Core Email Protection in action—block 99.99% of email threats

Transform data security with a unified, omnichannel approach.

Understand the top data security risks organizations face — and how to stay ahead

Unify AI security across people, agents, and MCP

AI at Proofpoint

Proofpoint technologies powering human and agent-centric security.

AI at Proofpoint

Optimize Proofpoint solutions with expert services.

"The partnership with Proofpoint, it's an extention of our team." –Celesta Capital

Comprehensive solutions for today’s cybersecurity threats.

Learn about new AI risks—and how to build a secure foundation for enterprise adoption

Superior protection for every industry, from small business to large enterprise.

Discover the security risks healthcare organizations can't afford to ignore

More than 80 of the Fortune 100 choose Proofpoint to protect their people, data, and AI.

Evaluating security vendors? Compare us by checking out side-by-side comparisons.

Research, insights and resources from Proofpoint experts.

New Agents, New Attacks: Securing Collaboration in the Agentic Era

Learn from our expert threat intelligence and insights that you won’t find anywhere else.

Proofpoint DISCARDED Tales from the threat research trenches

Learn more about the team driving human and agent-centric security.

Ready to join a company redefining cybersecurity?

Blog

Threat Insight

Most Popular

Turn people into your best defense with Proofpoint

Cybersecurity for the agentic workspace starts with Proofpoint’s human and agent-centric security platform.

Join a live Protect event—learn how to protect people, data, and AI

Stop cyberthreats with AI-driven multichannel protection.

Experience Core Email Protection in action—block 99.99% of email threats

Transform data security with a unified, omnichannel approach.

Understand the top data security risks organizations face — and how to stay ahead

Unify AI security across people, agents, and MCP

AI at Proofpoint

Proofpoint technologies powering human and agent-centric security.

AI at Proofpoint

Optimize Proofpoint solutions with expert services.

"The partnership with Proofpoint, it's an extention of our team." –Celesta Capital

Comprehensive solutions for today’s cybersecurity threats.

Learn about new AI risks—and how to build a secure foundation for enterprise adoption

Superior protection for every industry, from small business to large enterprise.

Discover the security risks healthcare organizations can't afford to ignore

More than 80 of the Fortune 100 choose Proofpoint to protect their people, data, and AI.

Evaluating security vendors? Compare us by checking out side-by-side comparisons.

Research, insights and resources from Proofpoint experts.

New Agents, New Attacks: Securing Collaboration in the Agentic Era

Learn from our expert threat intelligence and insights that you won’t find anywhere else.

Proofpoint DISCARDED Tales from the threat research trenches

Learn more about the team driving human and agent-centric security.

Ready to join a company redefining cybersecurity?

Blog

Threat Insight

Most Popular

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Turn people into your best defense with Proofpoint