Hackers Battle Erupts, Disrupting Contest

Unknown attackers knocked offline for most of Sunday an independent security Web site, zone-h.org, that was verifying reports of online vandalism and being used by hackers to tally points for the competition. U.S. government and private technology experts warned last week that such vandalism was likely.

At least three such vigilante-style attacks forced the hacker organizer, who identified himself only as "Eleonora67," to extend the contest until 6 p.m. EDT Sunday. But with disruptions preventing vandals from claiming credit for their break-ins, some experts said it could be later this week before damage from this weekend's hacking would be known.

By late Sunday-with the zone-h.org Web site still offline-hackers had claimed responsibility for vandalizing hundreds of mostly obscure Web sites, such as ones for Security Title Co. and the Heart of Montana Realty Services, both of Bozeman, Mont.

There were no reports of vandalism involving flagship Internet sites most consumers would recognize, a testament to improved online security over the past decade inside large corporations, government agencies and organizations.

"We at least knew it was coming," said Peter Allor of Internet Security Systems, which distributed a warning Wednesday about the contest using an alert system for technology companies. "We took some efforts to harden our sites."

Internet Security Systems, citing the contest, had raised its alert level to its second notch, reflecting "increased vigilance."

But other security vendors, such as Symantec, and even some government agencies downplayed the threats from Sunday's attacks. The U.S. Federal Computer Incident Response Center, an arm of the Department of Homeland Security, described the severity as "low," and the New York State Office of Cyber Security and Critical Infrastructure Coordination kept its alert level at its lowest setting all day Sunday.

Some of the relatively unknown Web sites vandalized Sunday, such as one for a church in California, were converted into informal reporting mechanisms for identifying other hacked sites.

Many security experts said the nickname of the hacker claiming responsibility for the contest, "Eleonora67," was unfamiliar.

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