RSA chief: Today's security models inadequate Summary: At the RSA conference in San Francisco, RSA Executive Chairman Art Coviello discusses the increasing threat companies face from cyberattacks and strategies and practices IT managers can deploy for response. February 28, 2012 -- 12:14 GMT (04:14 PST) Loading... Please wait. Topic: Security Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.