Two Al-Qaeda Web sites were recently hit by denial of service attacks.

"Chat forum Al-Shamukh and secondary site Al-Fidaa have been brought offline," writes SC Magazine's Darren Pauli.

"SC understands the sites were taken offline by the same source," Pauli writes. "Hackers had hinted but not confirmed their involvement."

Go to "Al-Qaeda sites attacked, brought down" to read the details.

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