Protection and remediation tips for Mac OS X users targeted by a Trojan adware plugin called Yontoo hidden behind movie trailer and other media playing links, generating money for criminals exploiting online ad schemes.

Does your Apple Mac need antivirus software, or any other kind of security software? This question has been asked repeatedly over the years and I think the “correct’ answer has changed over time.

If you recently acquired an Apple Mac computer there are several simple steps you can take to protect your new machine, and all of the valuable information you will be storing on it.

Does the expression 'In the Wild' still mean anything today? Well yes, in the sense of something that is 'out there' threatening real-world systems. But things move a lot faster these days than they did in the 90s and later, fastburning mass-mailers notwithstanding. Just a few days ago (on the 30th of November, to be

Six months ago, Flashback was attracting a lot of attention from researchers and media due to its wide spread and interesting features. Since then, we have witnessed its operator abandoning control of the botnet by shutting down its latest command and control server. This happened in May this year. The number of infected systems has

The Flashback trojan has been all over the news lately, but it is not the only Mac malware threat out there at the moment. A few weeks ago, we published a technical analysis of OSX/Lamadai.A, the Mac OS X payload of a multi-platform attack exploiting the Java vulnerability CVE-2011-3544 to infect its victims. OSX/Lamadai.A has

The biggest Mac botnet ever encountered, the OSX/Flashback botnet, is being hit hard. On April 12th, Apple released a third Java update since the Flashback malicious code outbreak. This update includes a new tool called MRT (Malware Removal Tool) which allows Apple to quickly push malware removal code to their user base. The first mission

If you are a Mac user and you have Java installed on your Mac, then right now would be a good time to run Software Update… from the Apple menu to make sure you have installed the latest Java for Mac OS X update. Installing this update will help protect your Mac from a malicious

Earlier this month, researchers from AlienVault and Intego reported a new malware attack targeting Tibetan NGOs (Non-Governmental Organizations). The attack consisted of luring the victim into visiting a malicious website, which then would drop a malicious payload on the target’s computer using Java vulnerability CVE-2011-3544 and execute it. The webserver would serve a platform-specific JAR

A new variant of Mac information-stealer OSX/Imuler hides itself inside a ZIP archive, right in the middle of an array of erotic pictures.