Security Bulletin

The "Spring Ring" operation aims to compromise users of the collaboration suite to remotely access their sessions, spread malware, and even take over infrastructure.

Cisco Nexus One now interoperates with VMware Cloud Foundation, using open EVPN-VXLAN standards to unify VCF, bare metal, and AI infrastructure under one consistent network operating model.

Threat actors exploited commodity in ownCloud to gain initial access, resulting in stolen reactor databases, personnel records, and credential stores.

CVE-2026-82329 is an authentication bypass flaw in JFrog's repository manager that enables bad actors to gain admin-level access on affected systems.

Some security researchers have observed an uptick in insider-assisted ransomware attacks, but malicious insiders pose other threats that cost companies millions.

Three Cisco 8000 routers on IOS XE 26.2. We walk the key exchange from classical to PPK to native ML-KEM-768 hybrid, then prove a phased rollout across hub and spokes works with zero outage.

The attacks targeting CVE-2026-0768 are the latest threat against the low-code AI development platform, which is receiving more attention from adversaries this year.

In one attack, threat actors stole an API key that ultimately led to the consumption of $600,000 in public AI model credits for the security nonprofit.

Learn how ThousandEyes transformed its deployment culture from manual, fragmented release cycles to a centralized, GitOps-driven model, enhancing digital resilience and developer productivity, that is also being adopted by other Cisco business units.

The campaign uses EtherHiding to dynamically update its command-and-control server, abusing the blockchain as an attacker-controlled address book.

"I almost didn't hit submit." Software engineering intern Ishaan G. shares how his AI curiosity turned into a winning move at Cisco.

This blog outlines how financial institutions are addressing the systemic cyber risk posed by aging and end-of-life technology, as AI accelerates attack velocity, and the window for effective defense is shortening.