• Researchers warn of increased Zeus malware activity this year

  The amount of cybercriminal activity associated with the Zeus family of financial Trojan programs has increased during the past few months, according to security researchers from antivirus vendor Trend Micro.

• Researchers find unusual malware targeting Tibetan users in cyberespionage operation

  Security researchers from antivirus vendor ESET discovered a piece of cyberespionage malware targeting Tibetan activists that uses unusual techniques to evade detection and achieve persistency on infected systems.

• Researchers find more versions of digitally signed Mac OS X spyware

  Security researchers have identified multiple samples of the recently discovered "KitM" spyware for Mac OS X, including one dating back to December 2012 and targeting German-speaking users.

• New Citadel malware variant targets Payza online payment platform

  A new variant of the Citadel financial malware is targeting users of the Payza online payment platform by launching local in-browser attacks to steal their credentials, according to researchers from security firm Trusteer.

• 16.5k malware infections reported daily in Australia

  The Australian Communications and Media Authority (ACMA) has launched a webpage which reveals that 16,500 cases of malware have been reported to internet service providers on a daily basis in 2013.

• Am I mailing spam?

  Tami asked the Antivirus & Security Software forum why friends are receiving spam that appears to come from her.

• How did my protected PC get infected?

  SUPERAntiSpyware found three Trojans on a reader's PC. He asked the Windows forum how this could happen when his PC is protected.

• Keep kids safe online with OpenDNS FamilyShield

  You wouldn't let your kids walk the streets of Amsterdam's Red Light District, but giving them unrestricted access to the Web is practically the same thing. The problem is, how do you block out all that inappropriate Web content?

• When in China, don't leave your laptop alone

  If you travel to China or Russia, assume government or industry spooks will steal your data and install spyware. Here's how to thwart them

• PDF files most trusted...and most targeted

  PDF files are one of the most common, and most trusted document formats out there. However, that trust, combined with the cross-platform use of PDFs makes the Adobe file format one of the most targeted and exploited by malicious attacks as well.

• Massive Mac OS X update shatters illusion of security

  Perhaps you've heard that the Apple Mac OS X operating system is simply more secure by design and not prone to the security flaws and vulnerabilities that plague the dominant Microsoft Windows operating system? Well, don't believe the hype. Apple unleashed an update for Mac OS X this week which fixes a massive 134 vulnerabilities.

• The low-down on low-level rootkits

  Rootkits, a type of stealth technology used by malware malefactors, attempt to hide in the dark corners of an infected PC and evade detection. A new post out today from the Microsoft Malware Protection Center shines the spotlight on the evil tools.

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  Mobile malware will test Android and iPhone

  2009 ushered in mobile malware with the first (and second) iPhone worm appearing just before Christmas.

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