Haystack, an encryption software custom made to help the Iranian opposition evade official attempts to censor the Internet, is giving some regime opponents hope of organizing and making progress online.
Activists of all political stripes are expected to more aggressively pursue their ideological adversaries by any means necessary in cyberspace. On Thursday, Twitter was attacked for a second time, with an unknown group called the Iranian Cyber Army claiming the strike.
Using common software, Iraqi insurgents intercepted video feeds transmitted by US drone aircraft. It's not an important security breach, officials say, but it does draw attention to the importance of cyber security in increasingly high-tech wars.
Hacker attacks cost public companies $1.6 million in lost share value. For Twitter, it's the firm's reputation that's at risk.
Twitter was hacked by the 'Iranian Cyber Army,' an unknown group. Though its website indicated no links with Iran authorities, a Farsi poem on its page suggests that those who were behind the message could have been loyalists to Iran's Islamic system of rule.