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VeriSign Releases Code Signing Certificates for Adobe AIR

To Ensure Integrity of Applications on Adobe AIR, Adobe Once Again Looks to VeriSign for Code Signing

Mountain View, Calif. – August 19, 2008 – VeriSign, Inc. (NASDAQ: VRSN), the trusted provider of Internet infrastructure services for the networked world, today released VeriSign® Code Signing Certificates for an application on Adobe® AIR™.  Adobe AIR is a cross-operating system runtime that enables rich Internet applications (RIAs) to be deployed on the desktop.  Now, RIA developers can sign their code with VeriSign Code Signing Certificates, which will help assure end users that applications on Adobe AIR are from a trusted publisher and that applications can be securely delivered.

With today’s announcement, Adobe has broadened its affiliation with VeriSign as a code signing certificate authority for Adobe AIR. In February, Adobe announced that Adobe AIR supported code signing certificates from thawte, Inc., a wholly-owned subsidiary of VeriSign. Adobe requires all applications on Adobe AIR to be digitally signed, and VeriSign and thawte were the first Certification Authorities to offer code signing certificates to the Adobe AIR developer community.

By obtaining a VeriSign or thawte code signing certificate for an application on Adobe AIR, RIA developers can digitally sign applications, resulting in “virtual shrinkwrap” protection. For the end-user, a broken digital signature means code has been tampered with or modified, and the application can't be installed on the machine.

“VeriSign is pleased to bring another member of its renowned family of code signing solutions to the rapidly growing Adobe AIR developer community,” said Michael Lin, vice president of SSL product management at VeriSign. “VeriSign Code Signing Certificates preserve the integrity of applications on Adobe AIR, while protecting both end users and developers from hackers and other malicious threats. As the popularity of Adobe AIR applications soars, VeriSign and thawte code signing certificates will help software publishers leverage the inherent scale and global reach of the Internet to deliver applications end users can trust.”

Adobe AIR is a milestone runtime environment that enables developers to use the skills and Web technologies – such as HTML, Ajax, PDF, Adobe Flash® and Adobe Flex® – they already employ to deliver RIAs on the desktop. When an application built on Adobe AIR is installed, the user is presented with a security dialog to confirm they wish to install the application from a particular provider who is identified by digitally signing the application. The installer also informs the user that the application will be able to access the local hard disk. The user makes the final decision as to whether or not they trust the provider and want to install the application based on the trusted identity.

"The use of digital signatures protects the integrity of applications and confirms the authorship of RIAs deployed on Adobe AIR.," said Luis Polanco, senior product manager, Adobe AIR at Adobe. "Unlike browser-based Web applications, applications on Adobe AIR are installed on a user's machine, so they must support the same kind of security protections required for desktop software. VeriSign Code Signing Certificates are an important part of achieving this goal and we are delighted to be working with VeriSign.”

For more information on VeriSign® Code Signing Certificates for an application on Adobe® AIR™ visit: www.verisign.com/adobe-air

About VeriSign 
VeriSign, Inc. (NASDAQ: VRSN) is the trusted provider of Internet infrastructure services for the networked world. Billions of times each day, VeriSign helps companies and consumers all over the world engage in communications and commerce with confidence. Additional news and information about the company is available at www.verisign.com.

Contacts 
Christina Rohall, crohall@verisign.com, 650-426-5219 
Investor Relations: Nancy Fazioli, ir@verisign.com , 650-426-5146

Statements in this announcement other than historical data and information constitute forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These statements involve risks and uncertainties that could cause VeriSign's actual results to differ materially from those stated or implied by such forward-looking statements. The potential risks and uncertainties include, among others, the uncertainty of future revenue and profitability and potential fluctuations in quarterly operating results due to such factors as the inability of VeriSign to successfully develop and market new products and services and customer acceptance of any new products or services, including VeriSign Code Signing solutions;  the possibility that VeriSign’s announced new services may not result in additional customers, profits or revenues; and increased competition and pricing pressures. More information about potential factors that could affect the company's business and financial results is included in VeriSign's filings with the Securities and Exchange Commission, including in the company's Annual Report on Form 10-K for the year ended December 31, 2007 and quarterly reports on Form 10-Q. VeriSign undertakes no obligation to update any of the forward-looking statements after the date of this press release.

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