First there were computer viruses to deal with, then contagious reports that a group of banks had advance warning of the denial-of-service attacks that disrupted several leading Web sites, but failed to forewarn them. So "Stash" Jarocki, a board member of the banking group claimed to have inside information regarding February's attacks, was not a happy man when BTN caught up with him last month.

The trouble was sparked by a February Associated Press report that said Jarocki's group, the financial services Information Sharing and Analysis Center, or FS-ISAC LLC, was privy to advance details of high-profile attacks that crippled sites including Yahoo!, Amazon.com and e-Bay Inc. Jarocki, treasurer of one of eight so-called ISACs that protect different industry sectors from cyber attacks, summarily dismisses the report as "jackass" and "infuriating."

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