The latest Internet defense technology – deep packet inspection firewalls – is being touted as the best line of defense against worms that can sneak past earlier technology to wreak havoc in corporate ...

A hot new trend in firewalls is the application-layer firewall, sometimes called an application shield. Although the attack sequences we used in this roundup could be described as “application layer” ...

In the world of the Linux operating system and open source software, the iptables firewall provides a full featured and stable packet filtering infrastructure. Commercial-grade capabilities such as ...

AI and cybersecurity have been inextricably linked for many years. The good guys use AI to analyze incoming data packets and help block malicious activity while the bad guys use AI to find and create ...

NetScreen Technologies later this year will improve its security products to help customers combat attacks disguised as innocuous traffic that might sneak by traditional firewalls. By incorporating ...

A web application firewall (WAF) is a critical component of an enterprise security infrastructure, providing a key security layer for web-facing applications and APIs. As web applications mature and ...

A Web application firewall (WAF) is designed to protect Web applications against common attacks such as cross-site scripting and SQL injection. Whereas network firewalls defend the perimeter of the ...

In a business environment dominated by cloud computing, mobility and Web-based applications, enterprises need smarter, application-aware networks to ensure performance. But while application awareness ...

<i>Redmond</i>'s new Security Advisor drills down the specifics of what should be considered when selecting your next firewall. Welcome to my inaugural Security Advisor column. Like many of you I've ...

A firewall is software or hardware that sits between two networks -- typically, between your LAN and the Internet -- and allows some sorts of network traffic through while preventing others. It works ...