WASHINGTON - Computer hackers are targeting Facebook users with an email scam that attempts to steal their passwords, Web security firm McAfee said Wednesday. Computer hackers are targeting Facebook users with an email scam that attempts to steal their passwords, Web security firm McAfee said. WASHINGTON DC, United States—Computer hackers are targeting Facebook users with an e-mail scam that attempts to steal their passwords, Web security firm McAfee said Wednesday. Microsoft is downplaying the problem, but Core Security says the vulnerability could allow an attacker to bypass security defenses to compromise virtualized Windows systems. CSI UK High Street Transaction security firm Trusteer has launched a remote forensics service designed to allow banks to diagnose if a client's PC has been infected with malware following incidents of suspected fraud.… The power of collaboration within unified communications