The US’s Cybersecurity and Infrastructure Security Agency has issued an emergency directive, calling the hacking campaign ...

Cisco released emergency patches for two firewall vulnerabilities exploited as zero-days in the ArcaneDoor espionage campaign ...

CISA gives feds 24 hours to patch, NCSC urges rapid action as flaws linked to ArcaneDoor spies Cybersecurity agencies on both ...

Hackers have exploited vulnerabilities in Cisco Systems’ firewall devices used across US federal agencies, according to officials. The Cybersecurity and Infrastructure Security Agency (CISA) issued an ...

Cisco ASA zero-day attacks used RayInitiator bootkit and LINE VIPER malware to breach end-of-support firewalls.

China’s Great Firewall has taken a major dent after more than 500GB of information on the highly secretive system leaked ...

WatchGuard has patched a dangerous branch office and mobile VPN configuration vulnerability affecting nearly three dozen ...

If you see the message Security or firewall might be blocking the connection following completion of Windows Network Diagnostics to determine what’s causing internet or network connection issues on ...

Other things have changed, too. Today, standalone firewall products are more the exception than the rule. I took a look at five major firewalls on the market today, and almost everything that came my ...

This book excerpt is from Chapter 2 of the second edition of Firewalls and Internet Security: Repelling the Wily Hacker . This chapter, titled “A Security Review of Protocols: Lower Layers,” examines ...

The Internet front door to almost every bank and financial services company in the world is guarded by two sets of firewalls defining a DMZ. Nearly every e-commerce site sits in a similar DMZ in what ...

Security is the name of the game at Cisco’s Partner Summit gathering this week with the rollout of a new firewall and added data-loss prevention (DLP) and passwordless authentication features to its ...