ON Technology's Word Macro Virus Eliminator Completes NCSA Tests for Word
Macro Viruses

ARLINGTON, VA., AND CAMBRIDGE, MASS., APRIL 1, 1996 -- ON Technology
Corporation (Nasdaq: ONTC) announced today that the National Computer
Security Association has tested Macro VirusTrack 6.0 and has verified that
it proactively protects against the Word Macro class of viruses.

The announcement was made in conjunction with the NCSA's 5th Annual
International Virus Prevention Conference at Arlington, Va. During the
conference, the NCSA will issue the findings for a major 1996 Computer
Virus Prevalence Survey

ON Technology's Macro VirusTrack 6.0 is an anti-virus software program that
detects and removes the five known Word macro viruses and one significant
trojan before the malicious programs corrupt a Word document or spread to
other computer users. Macro VirusTrack 6.0 provides real-time background
protection for today's most prevalent and fastest-growing threat to
computer users and networks worldwide.

Since their appearance in July of 1995, Microsoft Word macro viruses have
quickly become the most common type of viruses affecting computer users.
Word macro viruses embed themselves in .DOC files and automatically do
their damage whenever someone opens the document file. The Word macro
viruses are at an epidemic stage because they are easily spread via
documents attached to electronic mail sent over the Internet or a
corporate intranet, or by sharing corrupt documents.

"The common practices of attaching documents to Internet mail or using the
auto-launch feature in some e-mail products have provided new vehicles for
spreading viruses," said Chris Risley, ON Technology's chief executive
officer. "The way to prevent these new attacks from disrupting
productivity or worse, destroying data, is constant, automatic scanning
for all strains of the virus."

ON Technology's new Macro VirusTrack 6.0 is a sophisticated anti-virus
program that provides full background protection by scanning every
Microsoft Word document in one of two ways.

First, whenever the user attempts to open a Word document, Macro VirusTrack
6.0 checks for any of the five known Word macro viruses. If a virus is
detected, the ON program notifies the user that the document is infected,
prompts them to clean the virus from the document, and then restores the
document to its unaffected state.

The ON Technology anti-virus program also can be configured to scan and
clean documents on a user's workstation and network drives without the
user having to open each one individually.

Macro VirusTrack 6.0 provides transparent protection without performance
degradation at either the workstation or server. Macro VirusTrack 6.0 is
compatible with other anti-virus products that users may have installed to
detect the Michelangelo virus or other "boot sector" style viruses.

The Word macro viruses are new types of viruses that masquerade as
legitimate Word macros -- miniature, time-saving programs intended to
automate repetitive tasks, such as document formatting or global editing.
Macro viruses, such as Concept, Nuclear, Hot, Rainbow and DMV
(Demonstration Macro Virus), are designed to cause damage to the user's
computer in a variety of ways, including deleting the Word document
immediately, preventing normal "Save As" procedures or changing the user's
screen colors.

Another type of malicious macro, similar to a virus but more correctly
known as a "trojan" in industry parlance, erases every document and
application on the user's computer within seconds. While viruses are able
to replicate themselves from document to document, the "Format C:" and
other trojans don't copy themselves but can be as damaging as any known
Word macro virus.

The new Macro VirusTrack 6.0 covers all known viruses and the Format C:
trojan, and customers will receive ongoing coverage as new attacks are
launched.

Unlike the famed Michelangelo boot sector virus, which made its first
appearance four years ago amid massive industry news coverage and a
multitude of products to detect and remove it, the new Word macro viruses
and trojan have effectively foiled removal methods until now.

For example, some current Word macro anti-virus methods available simply
"cripple" the virus, leaving the corrupt document in place. Some current
methods only cover certain viruses. Further, some methods also require
that the user invoke the anti-virus scanner before opening any Word
document, a manual and time-consuming process that even diligent users may
forget.

AVAILABILITY, PRICING AND INFORMATION

Macro VirusTrack 6.0 is available immediately through ON Technology and
leading software distributors and resellers. In North America, pricing in
U.S. dollars ranges from $4.49 per user for 10,000 seats to $19.99 per
user for 100 seats and includes access to ON Technology's Anti-Virus
Hotline and Virus Maintenance Programs.

For availability and pricing outside North America, contact ON Technology
for information on authorized distributors and resellers around the
world.

To purchase Macro VirusTrack 6.0, call the ON Technology Anti-Virus Hotline
at 800-636-9520 (North America) or 919-319-7142.

To receive information about ON Technology, call 617-374-1400 or toll-free
North America 800-767-6683, visit the ON Technology home page on the World
Wide Web at http://www.on.com, or send inquires over the Internet to
info@on.com.

ON Technology Corporation is a leading provider of multi-platform
communications and network management software that helps people work
together on LANs and across the Internet. ON Technology products operate
on customer's NetWare, NTAS, LAN Manager, and Internet networks that
include combinations on Windows, Win95, WinNT, Macintosh, DOS, OS/2, and
Unix workstations using IP, IPX, NetBIOS and Appletalk protocols. A
publicly held company trading under the symbol ONTC since Aug. 1, 1995, ON
Technology Corporation is headquartered in Cambridge, Mass.
 
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