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• WASHINGTON (AP) -- U.S. authorities believe that Iranian-based hackers were responsible for cyberattacks that devastated Persian Gulf oil and gas companies, a former U.S. government official said. Just hours later, Defense Secretary Leon Panetta said the cyberthreat from Iran has grown, and he declared that the Pentagon is prepared to take action if American is threatened by a computer-based assault.
• The former official, who is familiar with the investigation, said U.S. authorities believe the cyberattacks were likely supported by the Tehran government and came in retaliation for the latest round of American sanctions against Iran.
• Before Panetta's remarks on Thursday, U.S. officials had said nothing publicly about the Gulf attacks or the investigation. But Panetta described them in a speech to business leaders in New York City, saying they were probably the most destructive cyber assault the private sector has seen to date.
• Panetta did not directly link Iran to the Gulf attacks, but he said Tehran has "undertaken a concerted effort to use cyberspace to its advantage." And, he said the Pentagon has poured billions into beefing up its ability to identify the origin of a cyberattacks, block them and respond when needed.
• "Potential aggressors should be aware that the United States has the capacity to locate them and hold them accountable for actions that harm America or its interests," said Panetta in a speech to the Business Executives for National Security.
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• LOS ANGELES (AP) -- At its prime, the space shuttle Endeavour cruised around the Earth at 17,500 mph, faster than a speeding bullet.
• In retirement, it's crawling along at a sluggish 2 mph, a pace that rush-hour commuters can sympathize with.
• Endeavour's 12-mile road trip kicked off shortly before midnight Thursday as it moved from its Los Angeles International Airport hangar en route to the California Science Center, its ultimate destination, said Benjamin Scheier of the center.

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