SCO Experiences Massive Denial of Service Attack

LINDON, Utah, Feb 1, 2004 /PRNewswire-FirstCall via COMTEX/ -- The SCO Group, Inc. (Nasdaq: SCOX), the owner of the UNIX(R) operating system and a leading provider of UNIX-based solutions, has confirmed that a large scale, Denial of Service attack has started that has made the company's Web site,, completely unavailable. Internet traffic began building momentum on Saturday evening and by midnight Eastern Time the SCO Web site was flooded with requests beyond its capacity. The company expects these attacks to continue through Feb. 12.

"This large scale attack, caused by the Mydoom computer virus that is estimated to have infected hundreds of thousands of computers around the world, is now overwhelming the Internet with requests to," said Jeff Carlon, worldwide director of Information Technology infrastructure, The SCO Group. "While we expect this attack to continue throughout the next few weeks, we have a series of contingency plans to deal with this problem and we will begin communicating those plans on Monday morning."

About The SCO Group

The SCO Group (Nasdaq: SCOX) helps millions of customers in more than 82 countries to grow their businesses with UNIX business solutions. Headquartered in Lindon, Utah, SCO has a worldwide network of more than 11,000 resellers and 4,000 developers. SCO Global Services provides reliable localized support and services to all partners and customers. For more information on SCO products and services visit

SCO and the associated SCO logo are trademarks or registered trademarks of The SCO Group, Inc., in the U.S. and other countries. UNIX is a registered trademark of The Open Group in the United States and other countries. All other brand or product names are or may be trademarks of, and are used to identify products or services of, their respective owners.

SOURCE The SCO Group, Inc.

Blake Stowell,, or Marc Modersitzki,, both of The SCO Group, +1-801-932-5703, or +1-801-932-5635;
or Avi Dines, or Tim King, both of Schwartz Communications, +1-781-684-0770,
or, for The SCO Group
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