PCWorld Security Watch

		How to activate Windows Defender in Windows 8 12.14.2012 2:58 PM Microsoft's stock Windows Defender app protects your Windows 8 PC against all sorts of nasties, but OEMs can disable the software to install an antivirus trial. Here's how to turn it back on.
		Instagram faces class action lawsuit for updated terms of service 12.26.2012 8:35 AM A class action lawsuit has been filed against Instagram over the company's controversial update to its terms of service last week.

		Is there a greater risk of cyber attack over the holidays? 12.21.2012 10:07 AM There is more attention on cyber fraud and phishing scams during the holidays, but the perceived risk varies depending on who you ask.
		Security researchers identify malware infecting U.S. banks 12.22.2012 12:36 PM Security researchers from Symantec have identified an information-stealing Trojan program that was used to infect computer servers belonging to various U.S. financial institutions.
		Ransomware scammers push panic button with bogus claims 12.26.2012 1:00 PM Cyber extortionists shilling "ransomware" have upped the ante by pushing users' panic buttons with claims that their malware will wipe hard drives, a security firm said Monday.
		Adobe promises to soon patch 2-year-old Shockwave flaw 12.24.2012 8:05 AM Adobe plans in February to close a dangerous hole in its Shockwave application that causes the application to be downgraded when a user launches older multimedia content, allowing hackers to target years-old vulnerabilities.
		Chrome update strengthens user control over extensions 12.24.2012 8:56 AM Starting with version 25 of Google Chrome, browser extensions installed offline by other applications will not be enabled until users give their permission through a dialog box in the browser interface.
		Security experts warn of 'January Effect' cyberattacks 12.23.2012 9:20 AM It's the most dangerous time of the year, say many tech security experts, who have noticed an upswing of hacking and cyberattacks around the holidays.