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Sefnit click fraud malware drops Tor for SSH, Facebook researchers say

The malware program that flooded the Tor network with new clients last year is back, but now uses SSH for command and control

As Gundotra departs, Google+ gets a new leader

Google names Gundotra aide Besbris to lead social etworking group; some analysts say changes are coming

Heartbleed’s silver lining

The security flaw got more consumers to change their passwords and start using two-factor authentication

Wall Street Beat: Mobile, cloud are key to tech earnings

Facebook, Microsoft, Apple and Amazon weigh in with earnings

Has Social Media Become the Wild, Wild West for Marketers?

Facebook enters fitness tracking with acquisition of ‘Moves’ app maker

Moves, which gathers data about people's movements, will remain a standalone app

Facebook tries to break the news with FB Newswire

The new tool will verify and surface news-related content on Facebook in real time

Facebook sales leap, amid a growing mobile ad business

Mobile ad sales comprised nearly 60 percent of the company's total ad sales

Nadella departs from predecessor’s practice, will do earnings call Thursday

'It does matter -- big time,' says Wall Street analyst, of CEO participation