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5/17/2005, 9:10 a.m. ET
By TED BRIDIS
The Associated Press
WASHINGTON (AP) — Corporate insiders who sabotage computers so sensitive they risk endangering national security or the economy commonly are motivated by revenge against their bosses, according to a government study released Monday.
The study, paid for by the Department of Homeland Security, examined dozens of computer-sabotage cases over six years to determine what motivates trusted insiders to attack and how their actions damage the country's most sensitive networks and data.
The review described most attackers as disgruntled workers or former employees — typically working in technology departments — who were angry over disciplinary actions, missed promotions or layoffs. The attacks included deleting vital software or data, posting pornography on an employer's Web site or crippling whole networks.
The study said most saboteurs showed troubling signs before the attacks: truancy, tardiness, arguments with co-workers or shoddy performance. Nearly all the employees took some steps to conceal their identities online — sometimes even posing as co-workers — as they plotted their attacks. Attackers ranged from teens to retirees...
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