We have completed our acquisition of @Hornetsecurity, marking a significant milestone in our strategy to extend our comprehensive platform to organizations of all sizes through a purpose-built approach for the MSP channel. See here for more details: https://t.co/SmJE0q5T07

Did you hear? Proofpoint is the Official Cybersecurity Sponsor of @TGL, the tech-infused golf league co-founded by Tiger Woods, Rory McIlroy, and Mike McCarley. ⛳️ Season 2 tees off on December 28 on @ABCNetwork. See you on the course! 🏌️ Learn more: https://t.co/NQkFme4uRw

Threat actors affiliated with China and Russia, as well as several e-crime groups, have been using a technique known as device code phishing to access users' Microsoft 365 accounts. @CyberSecDive covered the @threatinsight. Read the details here. ⤵️

Become a Proofpoint Certified Guardian and elevate your industry knowledge, be more competitive in the workplace, and establish your professional reputation. Below, hear from those who experienced Proofpoint's Cybersecurity Academy while at #ProofpointProtect 2025 in Nashville.

An IT security & risk management associate in the #banking industry gave Proofpoint Enterprise Data Loss Prevention (DLP) a 5/5 Rating in Gartner Peer Insights™ DLP Market. See the full review: https://t.co/5AYGgK5wrW Explore Proofpoint Data Security: https://t.co/32ebBusIPc

What will 2026 bring to the evolving #datasecurity landscape? Proofpoint execs discussed the topic w/ @Forrester Principal Analyst Heidi Shey. Stream now to hear multiple viewpoints on how stakeholders are preparing to address rising data security risks. https://t.co/1LWsJHfjg3

New research from @threatinsight‼️ Threat actors are using #phishing tactics to trick users into giving access to #M365 accounts. ⚠️ Successful compromise leads to #accounttakeover, #dataexfiltration, and more. Blog: https://t.co/bJuFAOReyg Here’s what you need to know. 🧵⤵️

Season's greetings from Proofpoint. 🌟 Thank you for supporting our mission to create a secure, collaborative environment for people and AI agents. We look forward to what we will achieve together in 2026. 🎊

Our observations of #UNK_SmudgedSerpent, a newly identified cluster linked to Iran, exemplify the evolving complexity and resourcefulness of the country's modern threat operations. Saher Naumaan shared what security leaders need to know about this threat. https://t.co/dYv2oq70wL

Did you know that at least 55% of suspected SMS phishing messages contained malicious URLs? 🤳 Cybercriminals are increasingly targeting mobile phones because users are more responsive to SMS than to email or computer messaging. Learn more in our report: https://t.co/zJklx7mYKS

"What does it mean to lead through #change when #AI is reshaping the #workforce?" Our CPO, Kim Sullivan, sat down with @Nasdaq to answer this question and more. Watch the interview below to learn how our culture and values align with our overall business strategy.

WHAT A YEAR! Our Discarded podcast increased its listenership by 188% in 2025, and that's all because of 𝘺𝘰𝘶. Here, Selena Larson shares her gratitude and a look at what’s to come in the new year. Stay tuned for more @threatinsight and behind-the-scenes analysis in 2026! 🎊

"AI is going to be a foundational technology for protecting all human-centric threats." On #NYSEFloorTalk hear from @proofpoint CEO Sumit Dhawan on the company's acquisition of Hornetsecurity.

When it comes to cyberattacks via email, AI assistants and agents are now in the firing line. @TechRepublic spoke with cybersecurity AI leaders, including Dan Rapp, who shared how Proofpoint prevents agent scamming through advanced AI-powered detections.

Proofpoint has been recognized as a Leader in the 2025 Gartner® Magic Quadrant™ for Email Security. Discover why we believe our intuitive, fully automated email security is essential to protecting your organization from today’s most advanced threats. https://t.co/QLy8O3KXQX

Proofpoint has finalized its largest #acquisition to date. With Hornetsecurity, we will expand our reach into the small- and midsize-business market and accelerate our value with managed service providers. @Insights_experts covered the news:

.@Bloomberg wrote, "Hackers are infiltrating trucking and freight companies in a scheme to steal and sell cargo shipments, a growing campaign that could end up costing companies and consumers billions of dollars." The story is based on our @threatinsight. https://t.co/HOSiALUH1k

Trust is a key aspect of how people communicate and make decisions. That's why attackers regularly impersonate trusted execs, HR personnel, suppliers, and brands. See our guide to learn about tactics that fraudsters use to hijack business communications. https://t.co/ytttBIdSrT

POV: You check your inbox and find 1,500 legitimate "welcome to our newsletter" emails. 😳 You haven’t become popular overnight. You are the victim of an email subscription bombing attack. Learn how our AI-powered detections prevent this attack type. https://t.co/gOpzB5nvOq

Proofpoint Prime Threat Protection maximizes threat prevention, streamlines SecOps, and builds lasting human resilience. A director of IT in the energy & utilities industry gave Proofpoint Prime a 5/5 Rating in Gartner Peer Insights™ for Email Security. https://t.co/RrLTwX4WNm

At #ProofpointProtect Tour in #London, cybersecurity industry expert Matt Cooke discussed how organizations can tackle #dataloss and #insiderrisk in the age of AI. "Organizations are starting to realize that data is leaking out from channels that they weren't expecting" 💬