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SSH Communications Security Receives Patent on PKI Certificate Technology

HELSINKI, Finland and WELLESLEY, Mass., Sept. 23 /PRNewswire/ -- SSH Communications Security Corp. (OMX:SSH1V), a world-leading provider of enterprise security solutions and end-to-end communications security, and the original developer of the Secure Shell protocol, today announced the issuance of a key patent covering a new, streamlined process of issuing certificate revocation lists (CRLs) and eliminating the need for private keys to be present during the periodic publishing of CRLs.

HELSINKI, Finland and WELLESLEY, Mass., Sept. 23 /PRNewswire/ — SSH Communications Security Corp. (OMX:SSH1V), a world-leading provider of enterprise security solutions and end-to-end communications security, and the original developer of the Secure Shell protocol, today announced the issuance of a key patent covering a new, streamlined process of issuing certificate revocation lists (CRLs) and eliminating the need for private keys to be present during the periodic publishing of CRLs.

The U.S. Patent No. 7,356,693, "Method for Producing Certificate Revocation Lists," is designed to create an easier way to operate a Public Key Infrastructure (PKI) hierarchy while reducing the practical work needed to produce and distribute CRLs. Producing multiple CRLs in volume at one time, keeping them secure until needed, and publishing them in the directory is a cost-effective and more efficient best-practice than creating individual CRLs at various times, and also eases the burden on administrators.

By arranging the root certificate authority (CA) to produce multiple CRLs in advance and issuing one of these pre-generated CRLs at a time to the directory system, new CRLs can be made available for PKI clients without having the CA private key available. The CA private key is only needed during the initial CRL pre-generation, and when new certificates are generated or revoked. The new technology provides greater security since access to the CA private keys is only needed when new certificates are generated or revoked.

"SSH is proud to be the leader in this effort to increase security for PKI users," said Timo Rinne, chief technology officer, SSH Communications Security. "This innovative patent can help to reduce costs significantly, and add to the efficiency of the PKI certificate management process."

SSH Communications Security has been granted five U.S. patents for its end-to-end communications security technology, and two additional active patents are pending.

About SSH Tectia

SSH Tectia(R) is the leading end-to-end communications security solution for the enterprise. The SSH Tectia solution is based on the SSH Secure Shell and SSH's other industry-leading technologies used by millions worldwide. SSH Tectia enables secure file transfer, secure system administration, and secure application connectivity with centralized management throughout internal and external networks. SSH Tectia products provide transparent, strong encryption and authentication, and are available for all key enterprise platforms including Windows, Unix, Linux, and mainframes to easily integrate into heterogeneous network environments.

About SSH Communications Security

SSH Communications Security is a world-leading provider of enterprise security solutions and end-to-end communications security, and the original developer of the Secure Shell protocol. The company's SSH Tectia solution addresses the most critical needs of large enterprises, financial institutions, and government agencies. With SSH Tectia, organizations can cost-effectively secure their system administration, file transfers, and application connectivity against both internal and external security risks. As the original developer of the Secure Shell protocol and other key network security technologies, SSH has since 1995 developed end-to-end communications security solutions specifically for the enterprise. Currently more than 100 of Global Fortune 500 companies are using SSH security solutions. SSH shares are quoted on the Helsinki Exchanges Main List. For more information, please visit http://www.ssh.com.

SSH Corp. Americas Regional Asia Pacific Regional Contact: Contact: Contact: George Adams Byron Rashed Shiho Hashimoto SSH Corp. SSH Inc. SSH Corp. +1 781 247 2100 +1 949 643 0733 +358 20 500 7470 george.adams@ssh.com byron.rashed@ssh.com shiho.hashimoto@ssh.com Europe Regional Americas Agency Investor Relations Contact: Contact: Contact: Bo Sorensen Cheryl Seaberg Mika Peuranen SSH Corp. Walt & Company SSH Corp. +358 20 500 7404 +1 408 369 7200 x2981 +358 20 500 7419 bo.sorensen@ssh.com ssh@walt.com mika.peuranen@ssh.com

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SOURCE SSH Communications Security Corp.

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