When it comes to network security, firewalls have been the first line of defense for over 20 years. To block emerging threats, the deployment of the right firewall is one of the most important ...

We all know that the Web is a nasty place, with denial of service attacks, SQL injection, cross-site scripting and other malware invented hourly to try to pry into your networks. Over the years, a ...

Security vendor Sophos plans to buy Astaro, a maker of network security software. The deal, announced Friday, gives Sophos an array of new products for securing corporate networks from online attacks.

Installing a firewall doesn't mean that you can relax in the belief that your network is protected. Chris Green reports. Firewalls have been one of the few success stories in the fight against ...