Last year brought multiple new security risks for Mac OS X users, despite many high-profile samples failing to deliver in the wild.
The annual Mac security report (PDF) from Intego noted instances such as the discovery of ransom-ware, spyware and remote control applications. None of the samples, however, was found to be propagating in the wild.
A Mac version of the Koobface malware, for example, was unable to cause a major outbreak because of a lack of distribution and fundamental flaws in the coding.
Other samples did threaten Mac users, however. Intego found that DNS-changing malware known as RSPlug continued to infect users some three years after its initial discovery. The malware continues to spread within cracked software, freeware and media files.
The report also noted a number of web-based threats which are not operating-system specific. Phishing attacks and data breaches put Mac users at risk throughout the year, and keeping up with system and application patches remained a priority.
The year also saw proof-of-concept malware samples for iPhone and iPad systems, and a high-profile data breach that disclosed information on US iPad owners.
"2010 was another busy year for Mac security professionals. With new malware, an extensive number of vulnerabilities affecting Mac OS X, iOS and many applications, the Mac platform saw enough security issues to keep everyone occupied," Intego said.
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