CYLINK INTRODUCES THE LATEST IN NETWORK SECURITY, DIAL-IN ACCESS CONTROL
AND ENCRYPTION, ALL IN ONE INTEGRATED SECURITY SYSTEM

July 11, 1994 -- SUNNYVALE, CA: Cylink Corporation, the world's leading
supplier of information security systems, today introduces the CIDEC-MLS
Network Security System, designed to provide totally secure access control
and data confidentiality for host and server-based information systems.

CIDEC-MLS supports federally approved DES (Data Encryption Standard) and
Cylink's strong proprietary encryption algorithms. The MLS can hold up to
12 encryption plug-in cards, supporting communication speeds ranging from
300 bps to 768 Kbps.

"Today's business environment demands continuous flow of critical
information through complex heterogeneous networks," explains Kamy
Kavianian, product line manager for Cylink's encryption products. "This
urgent need to communicate has resulted in the proliferation of millions
of portable computers and thousands of remote or telecommuting
applications, all requiring access to central information systems.
Companies have now recognized the critical need for information security
and access control. The CIDEC-MLS fully solves this need in a
cost-effective and compact equipment configuration. MLS can secure up to
12 independent dial-up, point-to-point, synchronous and asynchronous
communication links".

CIDEC-MLS is the only network security system featuring Cylink's patented
and fully automatic public key management system, SEEK (Secure Electronic
Exchange of Keys). SEEK eliminates the need for manual key distribution,
usually the most expensive aspect of data security and the most vulnerable
to compromise.

CIDEC-MLS is extremely easy to install and operate. Its operation is fully
transparent to remote sites and host or server-based information systems.
Each encryption plug-in card can provide access control for 255 remote
sites, encrypting each link with a unique session key, thus providing
totally secure access control and data confidentiality.

The CIDEC-MLS is very competitively priced within its plug-in cards
starting at $525 (US List). "The CIDEC-MLS's competitive price, coupled
with its SEEK automatic public key management system, provides the most
cost-effective way available for companies to secure access to one of
their most valuable assets, their information systems", according to Mr.
Kavianian.

The CIDEC-MLS is fully compatible with Cylink's LSA/LXA, CIDEC-LS/LX and
CIDEC-MS/MX encryptor families and Secure Software for Windows.

About Cylink

Cylink Corporation, a privately held company founded in 1984 and
headquartered in Sunnyvale, CA, is a world leader in providing
comprehensive network communication security and wireless connectivity
solutions. Cylink develops, manufactures, markets, and services
state-of-the-art access control, encryption and advanced spread spectrum
radio communication products for worldwide information delivery
applications. Cylink customers include Fortune 500 companies,
multi-national institutions, most major financial institutions in the
world, and many government agencies. Cylink supports its products through
a worldwide network of sales, distribution, and service centers.

CYLINK
310 North Mary Ave
Sunnyvale, CA 94086
408/735-5800,  FAX (408) 735-6643

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