CyberGuard KnightSTAR Premium Appliance Firewall Earns ''NetWORKS As Advertised'' Award From Miercom.

Business Editors/Technology Writers

FORT LAUDERDALE, Fla.--(BUSINESS WIRE)--June 5, 2001

CyberGuard Corporation (OTC:CYBG), the technology leader in network security, today announced that the company's KnightSTAR(TM) premium appliance firewall has earned the "NetWORKS As Advertised" award from Miercom, an independent testing laboratory and consultancy. The award was the result of testing conducted as part of a comparative review of firewalls for Business Communications Review magazine.

Conducted at the Miercom labs in Princeton Junction, New Jersey, extensive testing included measuring installation and ease of use, management and administration, configuration, features and performance. Miercom is an independent networking validation center that tests networking products so consumers can assess whether an evaluated product meets certain established standards.

"CyberGuard's KnightSTAR beat its competitors in several categories in a recent review of firewalls by Miercom," Rob Smithers, president of Miercom, said. "The KnightSTAR gained points for its performance (delivering the lowest latency among products tested), scalability and excellent management interface, including the best logging and monitoring capabilities."

Andrew Clarke, vice president of worldwide marketing for CyberGuard Corporation, commented, "CyberGuard is fully committed to independent evaluation of our products. We were the first firewall provider to receive ITSEC E3 certification in the United Kingdom. We were the first to receive Common Criteria EAL4 certification for our line of firewall appliances. We believe that independent testing and certification enable purchasers to make better-informed decisions. Products that stand up to the kind of rigorous testing that Miercom offers hold up in the real world."

Founded in 1988 as Mier Communications, Inc., Miercom is an independent networking consultancy and product test center located in Princeton Junction, NJ. The company pioneered the comparative assessment of networking hardware and software, having developed methodologies for testing products from ATM switches to network operating systems. Miercom is the Business Communications Review preferred lab called upon for Best-in-Test reviews, and is a member of the Network World Test Alliance. Additional information on Miercom's reports and services can be found at www.mier.com.

About CyberGuard Corporation

CyberGuard Corporation, the technology leader in network security, provides enterprise and electronic commerce security solutions to Fortune 1000 companies and governments worldwide. CyberGuard's award winning, industrial-strength firewall products and services protect the integrity of data and applications from unauthorized access. CyberGuard's appliances are the world's first to receive Common Criteria EAL4 certification, the most prestigious and rigorous IT security evaluation available. The company has world headquarters in Ft. Lauderdale, Florida, and branch offices worldwide. More information on CyberGuard Corporation can be found at http://www.cyberguard.com.

Forward-Looking Statements

This press release contains forward-looking statements that involve certain risks, uncertainties and factors, including without limitation, those described in the Company's filings with the Securities and Exchange Commission, that may cause the Company's future actual results to materially differ from the Company's current expectations. The Company assumes no obligation to update any forward-looking statements.