Stories about: Sourcefire

Network-based intrusion-prevention systems are in-line devices intended to detect and block a wide variety of attacks, but the equipment still is often used more like an intrusion-detection system to passively monitor traffic, new research shows.

Open-source security software maker Sourcefire has rejected a US$186 million unsolicited takeover offer from Barracuda Networks.

Barracuda Networks plans to focus on finding prior art to defend itself and the open-source ClamAV project against patent claims by rival antivirus vendor Trend Micro, which stressed Tuesday that it owns a tested and valid patent.

Not all the data-leak start-ups have been snapped up by the big guys. Here are five data-leak-prevention companies to keep an eye on.

There's a new weapon in the security arsenal that monitors network traffic and issues real-time alerts when it spots unusual or suspicious behavior on the network.

We hear from SourceForge and SourceForge.net Marketplace Vice President Mike Rudolph about the world's largest Open Source software development web site, which, as of today, claims 162,855 registered projects and 1,732,552 registered users.

A look at the all time greatest controversies in the history of the networking industry.

Microsoft is inviting hackers onto its Redmond, Washington, campus again next week and this time software virtualization and mobile security will be the hot topics.

In areas such as CRM software and portals, open source gained a foothold because users were willing to compromise -- less could be more, because the price was right. In security, open source rushed in because commercial vendors fell down on the job. As security problems in the enterprise outstripped the capabilities of commercial solutions, a number of talented security researchers stepped into the breach via the open source model.

Network security specialist Sourcefire announced Friday that it has acquired ClamAV, an open-source gateway anti-malware project whose technologies are used in the products of a number of other vendors.

If malware were insects, botnets would be termites -- they burrow in behind the walls of your security perimeter, lie dormant for a period of time, then attack.