Joel Snyder, Ph.D., is a senior IT consultant with 30 years of practice. An internationally recognized expert in the areas of security, messaging and networks, Dr. Snyder is a popular speaker and ...

I left pfSense for OPNsense, a robust, open-source home firewall solution, including improved performance, user interface, and licensing concerns.

For many IT professionals, DNS is the internet’s invisible plumbing, historically managed by a “guy with a Unix beard in the basement,” as Infoblox educator Josh Kuo recalled on the Defenders Log ...

Nearly 50,000 Cisco ASA/FTD instances vulnerable to two bugs that are actively being exploited by "advanced" attackers remain exposed to the internet, according to Shadowserver data. The internet ...

We collaborate with the world's leading lawyers to deliver news tailored for you. Sign Up for any (or all) of our 25+ Newsletters. Some states have laws and ethical rules regarding solicitation and ...

The U.K. National Cyber Security Centre (NCSC) has revealed that threat actors have exploited the recently disclosed security flaws impacting Cisco firewalls as part of zero-day attacks to deliver ...

Leading to remote code execution and privilege escalation, the flaws were exploited on Cisco ASA 5500-X series devices that lack secure boot. Cisco on Thursday released emergency patches for two ...

WASHINGTON >> The U.S. government’s cyber defense agency has issued urgent guidance to other federal agencies over hackers exploiting a previously unknown vulnerability in Cisco security devices. In ...

Add articles to your saved list and come back to them any time. It began with what should have been a routine upgrade to the network. They are carried out all the time and there’s even a checklist on ...

CISA has issued a new emergency directive ordering U.S. federal agencies to secure their Cisco firewall devices against two flaws that have been exploited in zero-day attacks. Emergency Directive ...

Cisco warned customers today to patch two zero-day vulnerabilities that are actively being exploited in attacks and impact the company's firewall software. The first one (CVE-2025-20333) allows ...

A critical zero-day vulnerability in certain Cisco Systems firewalls has to be patched immediately, US and UK cyber authorities warned Thursday. They said exploits of the hole are part of ongoing ...