Internet blocks return in Iran after brief opening (Update)

Word of the opening of Iran's blocked social media sites was spread, of course, by social media itself: in celebratory tweets and breathless Facebook posts. Hours later, the same sites Tuesday chewed over the sobering reality ...

Cyber war on Iran has only just begun

A US cyber war against Iran's nuclear program may have only just begun and could escalate with explosions triggered by digital sabotage, experts say.

Chinese site bans Web tools used to evade filters

(AP) -- A major Chinese online commerce site has banned sales of software used to bypass Internet censorship amid Beijing's efforts to block the development of a Middle East-style protest movement.

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