Dennis Fisher

Cisco Systems Inc. on Monday continued its push into the security market by acquiring Riverhead Networks Inc., a small developer of tools to prevent

Vulnerabilities weaken two of Symantec Corp.'s more popular security applications, Norton AntiSpam and Norton Internet Security, researchers have found.

For the third time in less than three years, a federal judge has ordered the Department of the Interior to disconnect a large number of its employees from

While the number of vulnerabilities found in software essentially has stabilized, the flaws are increasingly easy to exploit—and more often than

Not wanting to be left behind by rivals IBM, Novell Inc. and others in the security game, Hewlett-Packard Co. on Thursday announced that it has agreed to

AirMagnet Inc. on Monday released a new version of its WLAN security solution, which now is capable of detecting, tracing and blocking rogue access points

After a decade of focusing nearly exclusively on defending the perimeter, security vendors have begun to divert more of their attention to the last

As overhyped technologies go, PKI was among the all-time greats. Five years ago, it was being touted as the cure-all for enterprise security woes and an

RSA Security Inc. will unveil a finished version of its RFID "Blocker Tag" technology that prevents radio-frequency identification tags from being read.

Hewlett-Packard Co. plans to unveil two new security services next week at the RSA Conference in San Francisco, both of which are designed to help

In another sign that the security market—and technology sector in general—is on the rebound, Juniper Networks Inc. on Monday agreed to acquire

Microsoft Corp. on Monday finally released a patch for a dangerous vulnerability that lets attackers trick Internet users into visiting malicious sites.