Security Bulletin

Stop overthinking OT security. Discover how to balance total cost of ownership, uncover hidden costs in visibility tools, and use tech refresh cycles to build affordable, secure industrial infrastructure.

Explore what’s new in Cisco Catalyst SD-WAN 26.1.1, simplifying SASE adoption, enabling AI-ready networking, and streamlining operations.

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A newly discovered threat actor is using Microsoft Teams, AWS S3 buckets, and custom "Snow" malware in a multipronged campaign.

A researcher discovered five different exploit paths that stem from an architectural weakness in how Windows' Remote Procedure Call (RPC) mechanism handles connections to unavailable services.

It is important to bridge the gap between cutting-edge technology and the people who will shape our future. Learn more about how AI combined with skills investments matters for business and society.

This update succeeds  TeamPCP Supply Chain Campaign Update 007, published April 8, 2026, which left the campaign in credential-monetization mode following the Cisco source code theft via Trivy-linked credentials, Google GTIG&#x26...

Researchers have uncovered a malware framework dubbed "fast16" that predates Stuxnet by five years.

Some fear frontier LLMs like Claude Mythos and Anthropic's GPT-5.5 will lead to cybersecurity annihilation. Ari Herbert-Voss notes this could be an opportunity.

Martin Lund is leaving Cisco to return to the CEO role at an AI start up. Cisco’s Common Hardware Group joins the Product Organization led by Jeetu Patel.

People targeted by confidence schemes find getting help is a lonely road. Experts want law enforcement, financial and government institutions to work together and protect them.