RSA Conference 2000, Europe, Munich, Germany, April 11, 2000— RSA Security Inc. (NASDAQ: RSAS) announced today an agreement with Compaq Computer Corporation (NYSE: CPQ) to bring advanced, new cryptography to wireless developers. The two companies announced a patented technology designed to process encryption/decryption tasks on handheld devices more than two times faster than previous methods.

Called MultiPrime, this new technology is designed to provide wireless and embedded device manufacturers the breakthrough they need to offer high-speed performance and enhanced security on small footprint devices such as mobile phones, pocket PCs and personal digital assistants. Both RSA Security and Compaq intend to incorporate the MultiPrime encryption technology into their respective products, and will work closely together on a series of joint technology and marketing initiatives aimed at propelling the rapid adoption of MultiPrime in wireless and embedded applications. RSA Security will be the exclusive licensor of cryptographic software development kits that feature MultiPrime.

The RSA algorithm has traditionally used two prime numbers to form a large, unbreakable key. The MultiPrime technology, which was developed and patented by Compaq, uses three or more prime numbers and parallelism to provide higher performance through smaller mathematical operations. Initial implementations of the new technology have already achieved more than double the performance of prior techniques, and further optimization and combination with other techniques may enhance the achieved acceleration. As a result, wireless device users don’t have to choose between performance and security. For the first time, they have access to both critical functions in a single device.

"With MultiPrime technology, we hope to help speed the adoption of wireless solutions on a large scale," said Scott Schnell, senior vice president of marketing at RSA Security. "By developing a strong technology relationship with Compaq, we have found a remarkable method for enabling maximum security and performance – which is key to the evolution of our ongoing wireless initiatives."

"Compaq has pioneered a wide range of security products, and these form a key element in the company’s NonStop™ eBusiness solutions strategy," said Bill Heil, vice president and general manager of Compaq’s Business Critical Server Division. "We look forward to working closely with RSA Security to deliver products that provide both strong security and very high performance."

RSA Security plans to incorporate MultiPrime across its entire RSA BSAFE^® product line, and intends to first introduce MultiPrime in its implementation of the Wireless Transport Security Protocol, BSAFE WTLS –C, which is expected to be released this quarter, and is designed to enable developers to more quickly and easily build security into WAP-enabled (Wireless Application Protocol) products and applications. This quarter, Compaq plans to incorporate MultiPrime in its specialized hardware security products to provide additional benefits to its customers.

About RSA Security Inc
RSA Security Inc., The Most Trusted Name in e-Security™, helps organizations build secure, trusted foundations for e-business through its RSA SecurID^® two-factor authentication, RSA BSAFE^® encryption and RSA Keon^® digital certificate management systems. With more than a half billion RSA BSAFE-enabled applications in use worldwide, more than six million RSA SecurID users and almost 20 years of industry experience, RSA Security has the proven leadership and innovative technology to address the changing security needs of e-business and bring trust to the new, online economy. RSA Security can be reached at www.rsasecurity.com.

BSAFE, Keon, RC2, RC4 and SecurID are registered trademarks, and Keon, RSA, RC5 and The Most Trusted Name in e-Security are trademarks of RSA Security Inc. MultiPrime is a trademark of Compaq Computer Corporation. All other products and services mentioned are trademarks of their respective companies.

This press release contains forward-looking statements relating to the integration of Compaq’s technology with RSA Security’s products, the development and anticipated release of enhanced RSA Security products and the growth of the wireless market for e-security products. Such statements involve a number of risks and uncertainties. Among the important factors that could cause actual results to differ materially from those indicated by such forward-looking statements are delays in product development, technical difficulties, software bugs and errors, competitive pressures, changes in customer requirements or industry standards, market acceptance of new technologies, failure to develop or maintain strategic relationships, technological changes in the computer industry and the risk factors detailed from time to time in RSA Security’s periodic reports and registration statements filed with the Securities and Exchange Commission, including without limitation RSA Security’s Annual Report on form 10-K filed on March 15, 2000.