This could not be evaluated since we didn't have any applications that tried to do this, although the program indicated it was up and running. After setting up defaults, it monitors the user's system for programs that attempt to send data out. In terms of function, the program requires little interaction and runs in the background. While advanced users would not likely have a problem with this, the potentially complicated permissions needed to tailor the program would be too much for beginners. Technical support and updates exist, but the program contained no visible instructions on how to use it. An extensive and complicated end-user agreement also needed to be accepted.

While it does include a native installer, loading the program proved tricky and required a restart in order for it to work. After that, $29.95 buys the full version with no restrictions.

Little Snitch for Mac can be tried out for free for 30 days. With Little Snitch for Mac, users can prevent personal information from being sent out, although its limited features may not be worth the program's price.

Despite fewer malware threats to Mac systems, there is still a need for data protection.

Little snitch for mac yosemite