When you access directories with Apple Finder, hidden meta information will be written in a file named .DS_Store (Desktop Service Store). The meta information contains individual view settings for every folder and maybe sensitive information. Turn off the creation off meta data on USB devices.
Open terminal.app
Enter and press return:
defaults write com.apple.desktopservices DSDontWriteUSBStores -bool trueLog off and log on or restart your Mac
SimpleumCheck checks the security settings on your Mac in three stages and gives you recommendations on how you can improve your security even further.
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Keep in mind: not every security and privacy setting is suitable for everyone. Enhancing the security can lead in losing functionality and/or comfort.
Before making changes, please backup your Mac! Do not make too many change at once. After changing your Mac, check if your normal usage of your Mac has changed in a way which fits to you. Are your really willing to loose some functionality and/or comfort?
Most important is, that you learn and understand what are the advantages and disadvantages of the security settings and that you are aware about the capabilities and risks of your Mac configuration.
To skip this result message from your next security scan, you can deactivate this check. FAQ: How to deactivate a check.
Check results by SimpleumCheck do not cover all aspects of possible security checks or maybe incorrect or incomplete. The results are only clues for recommendations to improve security and privacy on the Mac.
The use of SimpleumCheck, the checks and FAQ articles are provided under the SimpleumCheck End User License Agreement (EULA).