A ‘trojan’ targeting Mac OS X users, dubbed BlackHole RAT, appears to be in development. It’s a variant of a well-known series of malware called Remote Access Tools (RAT) that primarily targeted Windows. It should be noted that on its own, the trojan does not exploit OSX, instead relying on the user to unknowingly ‘install’ it. This is often done under the guise of pirated software, video plugins on porn sites, or from other non-reputable software sources. Although the details are not entirely clear, it appears like your computer needs to be directly accessible from the internet.
This ‘trojan’ (note the intended air quotes) has been blown out of proportion and does not pose a significant level of risk. Macs are not ‘less secure’ because of this tool, as it’s something that could be coded by any 14-year old with a relatively basic knowledge of programming. It’s essentially a normal application whose purpose is to accept connections from its owner, and allow them to perform actions on your computer, etc.
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