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Facebook clickjacking legal rowThe social network and Washington State sue a marketing firm over claims that it deceived users by hiding 'Like' buttons. The firm denies the charge.
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Top Euro MP quits in piracy rowA European Parliament rapporteur stands down in protest as a controversial anti-piracy agreement is signed by several countries.
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Botnet suspect denies involvementThe Russian man accused by Microsoft of being behind the Kelihos botnet attack insists he is "absolutely not guilty".
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FBI social network scraping appThe FBI asks contractors to suggest a system that can "scrape" information from social networks to build alert maps.
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Twitter 'can censor by country'Twitter says it now has the technology to censor tweets on a country by country basis, a move which is criticised by freedom of information campaigners.
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Intel buys RealNetworks patentsIntel is paying $120m (£76m) for RealNetwork's video patents. Experts say it undermines claims that a "patent bubble" has burst.
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Fines threat for credit messagesFirms face raids and fines of up to £500,000 for sending unsolicited text messages about credit or compensation.
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Call for illegal site demotionRights campaigners have criticised plans to ask search engines to demote illegal sites in order to fight piracy.
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Web economy 'to double by 2016'With half the world online by 2016, the web economy in the G20 countries is set to nearly double in size to $4.2tn (£2.7tn), research suggests.
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Samsung in year end sales boostSouth Korea's Samsung Electronics announces a 17% rise in profits in the last three months of 2011, as smartphone sales boosted earnings.
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Disable software, warns SymantecSymantec advises customers to stop using its pcAnywhere program after stolen source code exposes serious vulnerabilities.
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Call for cyberwar 'peacekeepers'Cyber-attack on our digital lives is a growing problem according to the US Army's Cyber Command, which is recruiting "world class cyber warriors".
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O2 apology for mobile disclosureO2 apologises for a problem that could have exposed users' mobile phone numbers to websites.
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Nokia hit by falling mobile salesMobile phone giant Nokia reports a loss for the final three months of last year, as sales of mobile devices fell sharply.
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Backlash over Google privacy moveCritics question whether Google's privacy changes will simplify settings or give users less control.