PRESS RELEASE

ATLANTA, June 20, 2011— Dell SecureWorks and Qualys, Inc. announced today their strategic partnership plan to deliver industry-leading Vulnerability Management Services (VMS) to customers worldwide.

Dell SecureWorks will integrate, manage and re-sell the QualysGuard suite of security and compliance services, including vulnerability management, web application scanning, PCI compliance and policy compliance services. Dell SecureWorks’ customers can now benefit from security experts and technology that can map vulnerabilities with threats to provide effective protection. The Dell SecureWorks fully managed service eliminates management overhead by providing operational support to configure the technology, map assets, schedule scans and expertly review results – designed to save time and support compliance goals. QualysGuard’s rapid global deployment capabilities, breadth of scans and six-sigma accuracy process for measuring and eliminating false positives makes it one of the most comprehensive and accurate scanning service available today.

Dell SecureWorks and Qualys are both recognize d for their market and technology leadership. Dell SecureWorks was positioned in the Leaders Quadrant of the November 2010 Gartner, Inc. “Magic Quadrant for MSSPs, North America” by John Pescatore and Kelly M. Kavanagh1, and Qualys recently received the highest possible rating of “Strong Positive” in the April 2011 Gartner, Inc. “MarketScope for Vulnerability Assessment” by Kelly M. Kavanagh and Mark Nicolett.(2)

“QualysGuard’s features and Qualys’ commitment to customer security and global reach align nicely with Dell SecureWorks’ strategy to offer comprehensive security services with flexible pricing for organizations of all sizes,” said Dan DeRosa, Director of Product Management, Dell SecureWorks.

“We are honored that Dell SecureWorks has chosen QualysGuard to deliver industry-leading VMS to its global customers,” said Philippe Courtot, chairman and CEO for Qualys. “We look forward to working with them to provide customers with accurate, powerful and cost-effective IT security and compliance services on demand using our SaaS model.”

Customers that currently use other vulnerability management services from Dell SecureWorks will be migrated to the new VMS service. [1] Gartner, Inc., “Magic Quadrant for MSSPs, North America,” November 29, 2010