The RSA Security Conference took place last week in San Francisco. The event featured somewhere in the neighborhood of 1,000 vendors and over 40,000 users. The challenge for todays CISOs and other decision makers is that there are far too many small vendors for you to stop by each booth and get a good idea of what they do and how they can help. Here are the five companies that security professionals probably dont know but are worth looking at. These are in alphabetic order so as to avoid any kind of ranking.”]