SAN FRANCISCO  Calif – RSA Conference USA 2013 Booth #1431  February 25  2013 – Qualys Inc (NASDAQ: QLYS)  a pioneer and leading provider of cloud security and compliance management solutions  today announced powerful new vulnerability management capabilities for its customers using Amazon Web Services (AWS)  specifically Amazon Elastic Compute Cloud (Amazon EC2) and Amazon Virtual Private Cloud (Amazon VPC)  using a QualysGuard connector leveraging Amazon APIs