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Press Release

Zscaler Deploys Protections for Internet Explorer Zero-Day Vulnerability

San Jose, California, January, 14, 2010

Zscaler, Inc., the market leader in cloud-delivered multi-tenant Security as a Service (SaaS), announced that it has globally deployed protections to combat a zero-day vulnerability in Microsoft Internet Explorer. The vulnerability (CVE-2010-0249) affects all currently supported versions of Internet Explorer and has been tied to recent high profile, targeted attacks

Numerous reports suggest that this vulnerability was used in recently publicized attacks on Google, Adobe, and others. A patch is not yet available for this issue. Moreover, suggested workarounds can be cumbersome to implement and will restrict features on legitimate websites. Zscaler was notified of the exploit through the Microsoft MAPPs program, through which Microsoft shares data with trusted partners.

“Targeted, web based attacks can be a powerful tool for criminals,” said Michael Sutton, vice president Security Research, Zscaler. “Zero-day attacks that impact popular software such as Internet Explorer impact virtually every organization. When vulnerabilities such as these emerge, rapid deployment of protections is absolutely critical.” According to Sutton, Zscaler was able to push protections to all Zscaler Enforcement nodes within hours of receiving exploit details from Microsoft.

About Zscaler

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange™ platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across more than 150 data centers globally, the SSE-based Zero Trust Exchange™ is the world’s largest in-line cloud security platform.

Media Contacts

Natalia Wodecki, Sr. Director, Global Integrated Communications & PR, [email protected]