05-17-2012 09:48 AM
I own Sophos Anti-Virus v 7.3.11C, updated as of May 7, 2012. Scans have never shown any "threats." However, I have some general questions about malware and anti-malware programs.
My computer is a PPC PowerMac 2.7 GHz dual-CPU G5 (early 2005). I am running Mac OS X Tiger, v 10.4.11 and Safari v 4.1.3. Sophos runs fine on this system, and I have no questions about it specifically.
Just exactly how vulnerable are my Mac, OS, and browser to the recent malware infecting Intel Macs? I have never had any type of virus, Trojan, backdoor, or other malware on my system in the last 7 years. I have read that Flashback attacks through Java, but since everything I have read on various blogs is oriented toward Intel Macs, I have no information on whether my system even can be affected. Back in 2005, Macs were pretty much malware-free. Are these new threats applicable to my computer, or not?
In fact, are the current forms of malware even capable of running on any PPC (IBM) CPU? IIRC, the instruction set for a PPC970 and any Intel chip are sufficiently different that a "universal" app is required to run on both. Are current malware programs in that format, or are they targeted specifically at the Windows and Mac Intel systems?
I would like a clear idea of my risk level, if one is available.
Thanks very much for reading this!
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05-17-2012 11:02 AM - edited 05-17-2012 11:09 AM
Thank you for the excellent question! This is something I have some level of answer for, and have been surprised that nobody has asked before, as it's really quite relevant.
Here's a brief summary of the current threat landscape (for the week of May 17 2012) as detected by a sample of our OS X customers, and what platforms are affected by the threats. Note that this information is relative, and is not meant to be comprehensive, but shows the general trends:
Top 10 threats detected on OS X in the last 7 days, in order of prevalence:
Top 15 OS X threats detected on OS X in the last 7 days, in order of prevalence: