ZyXEL Prestige 312 Broadband Security Gateway Receives ICSA Certification

Hsinchu, Taiwan, September 25, 2000 - ZyXEL Communications Co. (TAI:2391.TW), an innovator and leading provider of DSL Customer Premise Equipment (CPE), today announced that the Prestige 312 Broadband security gateway has been awarded ICSA certification by ICSA Labs, the worldwide leader in security assurance services for Internet-connected companies.

ICSA Labs create globally accepted standards and serve as the Internet security industry's central certification facility, providing objective tests and analysis of commercial security products and their certification process is regarded as one of the most rigid round. In order to obtain ICSA certification, the Prestige 312 had to pass a series of ICSA Labs' tests which were designed to ensure the maximum network security against possible external attacks.

"ZyXEL's Prestige 312 successfully exceeded ICSA's rigorous standards and clearly demonstrated the value ZyXEL brings to companies that rely on secure Internet transactions, " said Tony Hsu, VP of Sales and Marketing at ZyXEL. "Obtaining ICSA certification demonstrates that the Prestige 312 is among the industry's most powerful Internet security tools, making it a cost-effective and ideal solution for e-businesses."

About ZyXEL's Prestige 312
ZyXEL's Prestige 312 is a dual Ethernet broadband access security gateway, ideal for home offices and small businesses. A 10Mbps Ethernet WAN interface
allows installation of an ADSL or cable modem, and the GUI installation wizard simplifies installation and configuration. The Prestige's integrated PPPoE support provides users with a familiar dial-up networking interface, and it allows the ISP to use the existing dial-up infrastructure to authenticate and provide differentiated services.

Integrated with ZyNOS's stateful inspection firewall, the Prestige 312 acts as a secure gateway between the Internet and the LAN, preventing theft, destruction, and modification of data and log events. The Prestige Firewall also allows IPSec VPN traffic to pass through NAT, which allows businesses to provide secure network links for all offices, partners, and telecommuters. To
read the complete ICSA Labs test report on the Prestige 312, visit: http://www.icsa.net/html/communities/firewalls/certification/vendors/zyxel/index.shtml

About ZyXEL Communications
ZyXEL Communications Co. (TAI:2391.TW), located in Hsinchu, Taiwan, is a leading supplier of complete networking access solutions or Internet/Intranet/VPN/Extranet applications. Products developed by ZyXEL over the years are not only industry leaders, but consistently win acclaim and are selected by worldwide telecommunications companies, ISPs, and other major businesses. ZyXEL now serves France Telecom (NYSE:FTE), EarthLink (NASDAQ: ELNK), Bell Atlantic (NYSE: BEL), Verio (Nasdaq: VRIO), Sprint, Telefonica Brazil, Telia, Chunghwa Telecom. For more information on ZyXEL Communications, visit the company's Website at http://www.zyxel.com.

About ICSA.net
ICSA.net is an industry leader in the growth and improvement of Internet security. ICSA.net offers TruSecureTM security services as well as multi-vendor,
cross-industry product certification programs. ICSA.net helps businesses reduce their information security risks and enables the expansion of Internet technology implementation. ICSA.net has used its leadership and expertise to support the growth of Internet business and commerce worldwide. ICSA Labs, a division of ICSA.net, facilitates information interchange among industry experts, manufacturers and developers of information security products. ICSA Labs manages product consortia and provides testing to increase the quality of products and to enhance computer and network security. Information Security magazine, published monthly by ICSA.net, is the industry's leading source
for news, analysis, insight and commentary on today's infosecurity marketplace. Visit http://www.icsa.net for additional information.