Security Bulletin

Join Cisco's leading experts for a Reddit AMA on April 20, 2026, to discuss network automation at scale. Bring your toughest questions about network management, architectural scaling, and the future of automation fabrics.

Elevation-of-privilege bugs accounted for more than half of the 165 vulnerabilities patched, with two zero-days in that mix.

Stopping EDR killers, which employ bring-your-own-vulnerable-driver (BYOVD) attack techniques, is difficult, but not impossible.

This month's Microsoft Patch Tuesday looks like a record one, but let's look at it a bit closer to understand what is happening

In an educational game called "Capture the Narrative," students created bots to sway a fictional election, simulating influence in real-world political scenarios.

Retail IT teams are expected to support more locations, more devices, and more business-critical applications without adding staff. These are the top wireless trends shaping retail in 2026.

AI demands a shift from manual tools to a unified platform. This blog details five essential IT capabilities and how Cisco Intersight provides the automation, flexibility, and integration needed to succeed.

Energy efficiency may lower bills, reduce waste, and decrease environmental impact. Read more to learn how.

Ever wonder what a day at Cisco Bengaluru is really like? Technical Intern Prit S. shares it all, from the chai to the collaboration, and the community.

Discover how Cisco Customer Experience (CX) leveraged AI-ready infrastructure—including networking, compute, and observability—to secure sensitive data, control costs, and maximize ROI on agentic AI workloads.

(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.

Security teams can't test distributed denial-of-service defenses in a vacuum. They need to test during periods of high demand, such as tax filing deadlines.