Network security

Mastering Network Security: Your Resource for Segmentation, Monitoring, Perimeter Defense, and More.

Aruba, a Hewlett Packard Enterprise company sign atop headquarters building. Aruba Networks is a wireless networking subsidiary of HPE

HPE patches ArubaOS-CX switches vulnerable to remote code execution

Steve ZurierSeptember 4, 2026

HPE patched 35 ArubaOS-CX flaws, including a critical bug that could enable remote code execution.

Today's Top NetSec Headlines

Network Security News

Manager Pressing REMOTE MONITORING AND MANAGEMENT

Phishing campaign targets widely used RMM platforms in 46 countries

Steve ZurierSeptember 3, 2026

Phishing attacks trick victims into installing legitimate RMM tools for remote access.

China map outline, flag colors red, yellow glowing. Futuristic circuit board digital technology backdrop. High-tech data streams, innovation, modern design, connectivity global network.

Critical Infrastructure Security

China-linked campaign targets high-value networks, critical infrastructure

Steve ZurierAugust 31, 2026

Fire Ant targets routers and authentication systems to spy, steal credentials and evade detection.

Vulnerability Management

Mythos Writes the Exploit. Atlas Writes the Response. – Harman Kaur – SWN #611

August 28, 2026

Most enterprise AI today is a conversation — it summarizes, suggests, recommends. Harman unpacks what changes when AI actually executes across endpoints, and the governance problem that creates. Where does the human stay in the loop, and where do they get out of the way? This segment is sponsored by Tanium. Visit https://securityweekly.com/tanium t...

Vulnerability Management

Fibonacci, Hidden Sounds, Teams, Zimbra, Entra-ID, z.ai, Schrödinger’s, Aaran Leyland – SWN #610

August 25, 2026

Fibonacci and the Unhappy Number, Hidden Sounds, Teams, Zimbra, Entra-ID, z.ai, Schrödinger's battery, Aaran Leyland, and More on the Security Weekly News.

Network Security

Critical VMware vCenter flaw actively exploited in 47 countries

Steve ZurierAugust 12, 2026

Unspecified APT group has made attacks across 361 unique IP addresses in 47 countries.

Vulnerability Management

Randomness, Grey, Deepseek, Sonicwall, Spice, CaptiveCrunch, eBay, and Aaran Leyland – SWN #604

August 4, 2026

Randomness, 50 Shades of Grey, Deepseek, Sonicwall, Spice Weasels, CaptiveCrunch, eBay, Aaran Leyland, and More on the Security Weekly News.

Russian hack attack concept, on the computer keyboard. 3D rendering

Critical Infrastructure Security

Russia’s FSB attacks critical infrastructure, says 12 Western nations

Steve ZurierJuly 13, 2026

Russian hackers target outdated Cisco routers in decade-long espionage campaign.

(Credit: Ralf – stock.adobe.com)

Network Security

FortiBleed campaign steals 110M credentials from FortiGate targets

Laura FrenchJune 24, 2026

A tool called FortigateSniffer abuses a diagnostic utility to continuously monitor network traffic.

(Adobe Stock)

Network Security

F5 releases out-of-band patches for two critical NGINX bugs

Steve ZurierJune 18, 2026

F5 issued urgent patches for two critical NGINX flaws that could enable DoS or code execution.

(Credit: Rafael Henrique – stock.adobe.com)

Network Security

Three critical FortiSandbox bugs rated 9.8 actively exploited

Steve ZurierJune 16, 2026

Active exploitation of FortiSandbox flaws prompt urgent patching calls from security experts.

Fast Five

Selected by the SC Media Editorial team every Tuesday.

Sign up now for the top five issues cybersecurity pros need to know this week.

NetSec Events