Redwood Shores, CA – January 10, 2011 – Imperva, the leader in data security, announced that ISACA, the leading global association for information systems security, assurance and governance professionals, selected Imperva’s web application firewall (WAF) to protect ISACA’s web applications. ISACA leverages Imperva’s SecureSphere WAF as a part of a comprehensive security strategy that delivers unprecedented prevention, mitigation and protection for its on-demand platform.

“ISACA is committed to helping its constituents and the business community as a whole ensure they can have trust in, and derive value from, their information systems. As a result, Imperva is an essential component of our data security strategy,” said Manny Singh, ISACA IT director. “ISACA is a globally respected resource in the security industry so we must provide the best possible model for our constituents who live and breathe data security. Imperva helps us ensure the security of our sensitive data, which is a critical part of doing business every day. We evaluated many solutions and Imperva was found to be the best fit for our particular needs.”

Imperva SecureSphere is the market leading data security and compliance solution. SecureSphere provides real-time protection of sensitive data against breaches by hackers and malicious insiders, enabling executives, risk officers, auditors and security professionals to mitigate the financial and reputation damage of data loss.

ISACA takes advantage of several key SecureSphere features including the ability to:

• Alert or block access requests that originate from malicious sources, or those that deviate from normal application and data usage or violate corporate policies
• Update defenses with research-driven intelligence on current threats and vulnerabilities
• Virtually patch application and database vulnerabilities to reduce the window of exposure and impact of ad-hoc fixes

“Having ISACA as a customer is a major proof point that SecureSphere is the fastest way to mitigate application security risk. Any company deploying sensitive Web applications should have a WAF in place to protect themselves,” said Imperva’s CTO Amichai Shulman.

About ISACA

With 95,000 constituents in 160 countries, ISACA is a leading global provider of knowledge, certifications, community, advocacy and education on information systems (IS) assurance and security, enterprise governance and management of IT, and IT-related risk and compliance. Founded in 1969, the nonprofit, independent ISACA hosts international conferences, publishes the ISACA Journal, and develops international IS auditing and control standards, which help its constituents ensure trust in, and value from, information systems. It also advances and attests IT skills and knowledge through the globally respected Certified Information Systems Auditor (CISA), Certified Information Security Manager (CISM), Certified in the Governance of Enterprise IT (CGEIT) and Certified in Risk and Information Systems Control (CRISC) designations.

About Imperva

Imperva is a pioneer and leader of a new category of data security solutions for high-value business data in the data center. With more than 1,300 end-user customers and thousands of organizations protected through cloud-based deployments, Imperva’s customers include leading enterprises, government organizations, and managed service providers who rely on Imperva to prevent sensitive data theft from hackers and insiders. The award-winning Imperva SecureSphere identifies and secures high-value data across file systems, web applications and databases. For more information, visit www.imperva.com, follow us on Twitter or visit our blog.

Forward Looking Statements

Certain statements contained in this press release may be forward-looking statements made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Any such statements that are not purely historical are forward-looking statements, including, without limitation, statements regarding trends or projections related to our business and our expectations, beliefs, intentions or strategies regarding the future. These statements are subject to known and unknown risks, uncertainties and other factors, which may cause our actual results to differ materially from those implied by the forward-looking statements. We undertake no obligation to update any of the forward-looking statements contained herein after the date of this presentation, whether as a result of new information, future events or otherwise.

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Imperva and SecureSphere are registered trademarks of Imperva, Inc. All other brand or product names are trademarks or registered trademarks of their respective holders.

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