Investor’s Business Daily – Social networks are attracting more users — and cyberattacks — according to a report by IT security firm Sophos. Cybercriminals have increasingly focused attacks on social networking users in the last 12 months, Sophos says. 57% of users say they’ve been spammed via social networking sites, up 70.6% vs. last year. 36% reveal they have been sent malware via such sites, a 69.8% rise from last year.