At the RSA Conference this week in San Francisco, some small vendors stood out for their innovative security solutions.

Successful busts, such as the Mariposa botnet, require international and private sector cooperation, said FBI director Robert Mueller at RSA.

Open source antivirus comes to the Windows desktop with a little help from a new cloud backend to accelerate security.

Obama's Internet security advisor tells RSA crowd they need to secure their data, but his big news was the disclosure of a White House initiative.

Information is gold and cyber villains are getting more aggressive in their attempts to steal it. Data theft requires new ways of thinking, says Symantec CEO Enrique Salem at RSA.

At RSA, IBM announces it will expand its security portfolio with new static code analysis and secure Web services.

A new zero-day vulnerability threatens to use Windows help files against users, if they can be convinced to press F1, the traditional key for help. ("It's a trap!")

Making sites go faster isn't enough for Citrix. Now it wants to make site delivery both faster and more secure.

Quick quiz: Does Microsoft charge users for its Security Essentials software? How do you tell whether software is from Microsoft or from hackers trying to hold your PC for ransom?

Microsoft's update to its anti-piracy tool is now available via Windows Update, the company has confirmed.