Security Bulletin

CVE-2025-53521 was initially disclosed in October as a high-severity denial-of-service (DoS) flaw, but new information has revealed the bug is actually much more dangerous.

CVE-2025-53521 was initially disclosed in October as a high-severity denial-of-service (DoS) flaw, but new information has revealed the bug is actually much more dangerous.

The Cisco Enterprise Agreement simplifies the adoption of Nutanix by delivering operational simplicity, predictable pricing, and flexible expansion for modern infrastructure environments.

The two key economic sectors struggle with security for a reason: Many insiders view access management as a roadblock, while attackers see it as a way in.

The vulnerability, which is allegedly triggered by a corrupted sticker in the messaging app, received a 9.8 CVSS score, but Telegram denies it exists.

A Nemzetbiztonsági Szakszolgálat Nemzeti Kiberbiztonsági Intézet (NBSZ NKI) riasztást ad ki Magyarország Ügyészségének nevével és arculati elemeivel visszaélő, zsarolóvírus fertőzéshez vezető adathalász üzenetekről.

A Nemzetbiztonsági Szakszolgálat Nemzeti Kiberbiztonsági Intézet (NBSZ NKI) riasztást ad ki az F5 BIG-IP Access Policy Managert (APM modult) érintő, aktívan kihasznált kritikus sebezhetőségről.

When standard solutions fell short, Cisco and UNHCR brought next-level wireless tech to humanitarian teams on the ground. Discover how this partnership reimagined connectivity, unlocking new possibilities for aid workers and communities alike.

Go beyond the tech. Discover how you can gain a competitive edge with Cisco Networking Academy's collection of Professional Skills courses.

Celebrate Cisco Black Belt Academy’s one-year anniversary on MindTickle, marking 160% YoY certification growth through strategic partnership and AI-driven innovations transforming global partner learning.

Start a Learning Lab, get instant LLM access. No provider signups, no LLM configuration—just open the terminal and the model is ready. AI Defense, MCP Security, A2A Protocol, and Skill Security labs are live now, with more AI-powered labs coming.

Chinese APT Red Menshen's super-advanced BPFdoor malware defeats traditional cybersecurity protections. All telcos can do, really, is try hunting it down.