Qualys Earns Top Ranking in Device Vulnerability Assessment Worldwide for 2009 Vendor Shares

Qualys Ranks No.1 for Second Consecutive Year and Increases Market Revenue Share

Slough, UK. - February 7, 2011 - Qualys®, Inc. the leading provider of on demand IT security risk and compliance management solutions, today announced that IDC ranked Qualys as the worldwide market revenue leader for Device Vulnerability Assessment (VA) for the second consecutive year. The IDC Worldwide Security and Vulnerability Management Market for 2010-2014 and 2009 Vendor Shares(Doc.# 225988, Dec. 2010) ranks Qualys with a 14.4 percent market share in 2009, up from 13.4 percent in 2008, underscoring the rapid adoption of the QualysGuard suite– delivering IT security and compliance solutions to customers all over the world.

“We are happy to see our market share continue to grow and are honored to be in this leadership position as it demonstrates the acceptance of Security-as-a-Service and the support of our customers over the past decade,” said Philippe Courtot, CEO and chairman of Qualys. “Our customers have been instrumental in helping us deliver IT security and compliance solutions in one suite and deliver it in the cloud.”

Qualys also increased its market share in the overall category of Vulnerability Assessment that includes both Device VA and Application VA. This year, Qualys is ranked number two with 8.3 percent market revenue share, increasing from 7.8 percent market share in 2008.

Founded in 1999, Qualys pioneered the SaaS delivery model for IT security and compliance solutions. Qualys’ flagship product, QualysGuard, allows organisations to strengthen the security of their networks and conduct automated security audits to ensure compliance with policies and regulations. The QualysGuard® service is used today by more than 5,000 organisations in 85 countries, including 47 of the Fortune Global 100, and performs more than 500 million IP audits per year.

To read an excerpt from the report, visit: https://www.qualys.com/docs/idc_vendor_shares_2009.

About Qualys

Qualys, Inc. is the leading provider of on demand IT security risk and compliance management solutions – delivered as a service. Qualys’ Software-as-a-Service solutions are deployed in a matter of hours anywhere in the world, providing customers an immediate and continuous view of their security and compliance postures.

The QualysGuard® service is used today by more than 5,000 organizations in 85 countries, including 47 of the Fortune Global 100, and performs more than 500 million IP audits per year. Qualys has the largest vulnerability management deployment in the world at a Fortune Global 50 company, and has been recognized by leading industry analysts for its market leadership.

Qualys has established strategic agreements with leading managed service providers and consulting organizations including BT, Etisalat, Fujitsu, IBM, I(TS)2, LAC, NTT, SecureWorks, Symantec, Tata Communications and TELUS. Qualys is also a founding member of the Cloud Security Alliance (CSA).

For more information, please visit www.qualys.com.

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Qualys, the Qualys logo and QualysGuard are proprietary trademarks of Qualys, Inc. All other products or names may be trademarks of their respective companies.

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