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Sonar is a security tool that provides real-time reporting of file changes on your hard drive. It is a useful diagnostic tool and an invaluable aid for anyone who is serious about computer security.

Sonar reports file system activity. It reports all changes. It does not report reading activity. Sonar cannot prevent disk activity. It only can report it. However, you can use the information reported by Sonar to delete files you don't want on your hard drive.


  • Monitor untrusted software with Sonar to ensure it is not installing spyware or other unauthorized files without your

What's New

Version 2.0:
  • Now compatible with Mac OS X 10.5 (Leopard). It is expected to remain compatible with the soon-to-be-released Snow Leopard, Apple's new OS scheduled to be released later this year.


Mac OS X 10.4 or later

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Sonar User Discussion


Current Version (2.x)


Downloads 4,602
Version Downloads 1,934
License Demo
Date 14 Jul 2009
Platform OS X / PPC 32 / Intel 32
Price $17.95
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