Security Bulletin

While satellite constellations — such as Starlink — are resilient, 2,000 drones could cut communications to a region the size of Taiwan, researchers find.

Is the new privacy protocol helping malicious actors more than Internet users?

New Fooder loader and memory-only tactics suggest MuddyWater has evolved from its usual noisy ops to more stealthy espionage operations.

When prompts were presented in poetic rather than prose form, attack success rates increased from 8% to 43%, on average — a fivefold increase.

The conversation around AI and its enterprise applications has rapidly shifted focus to AI agents—autonomous AI systems that are not only capable of conversing, but also reasoning, planning, and executing autonomous actions. Our Cisco AI Readiness...

Strengthen enterprise Wi-Fi security with Cisco’s comprehensive guide covering WPA3, 802.1X authentication, AI-powered threat detection, and wireless intrusion prevention. Learn deployment strategies to protect your network from modern attacks.

Take on our latest ethical hacking challenge. Capture the Flag: Attack Chain from Recon to Root challenge is available now in Cisco U.

Researchers utilized prompts and large language models to develop an open-source AI framework capable of generating both vulnerability exploits and patches.

North Korean attackers have delivered more than 197 malicious packages with 31K-plus downloads since Oct. 10, as part of ongoing state-sponsored activity to compromise software developers.

Communications Specialist Susan C. shares how Cisco's Time2Give program enabled her life-changing volunteer trip to Zimbabwe, transforming lives & her own perspective.

The Russian-speaking group is targeting government and diplomatic entities in CIS member states and Central Asia in its latest cyber-espionage campaign.

The Inc ransomware gang took responsibility for the attack earlier this month and claimed it stole sensitive subscriber data.