Before you start make sure your Apple ID is secured with two factor authentication.
CNET – Two-factor authentication: What you need to know (FAQ)

1. Update the system through the App Store completely.
2. System Preferences -> Security & Privacy:
– General, Set Lock Message (If this laptop has been found, please call #Your-Phone-Number)
– Turn on FileVault
– Turn on FireWall (enable “Automatically signed software to receive incoming connections” and “Enable stealth mode”)
3a. To hide the menu bar, head to System Preferences > General. Next, check the box for Automatically hide and show the menu bar.
3b. System Preferences -> TrackPad and set to your preferred settings
3c. Enable three finger drag gesture OSX Daily – How to Enable the Three Finger Drag Gesture on Mac Trackpads in OS X

4a. Install an AntiVirus scanner, herewith two options:
– Avira Free Antivirus for Mac
– F-Secure Anti-Virus for Mac

4b. Choose your browser and install a tracking cookie filter.
– Firefox: EFF Privacy Badger
– Safari: uBlock

4c. Buy the app Cookie from the App Store, this app removes the cookie and other cache from your browsers.

5. Install a DNS Filter to block suspicious websites and advertisements, K9 Web Protection

6. Install f.lux – spare your eyes during late evening screen use.

Last word:
– Install only software from trusted sources to remain secure. Back-doors, Trojan Horses and other viruses are mainly spread through cracks.
– Be always very suspicious before clicking links and opening attachments within your email, even when it seems to be from someone you know and can trust.
– Never install Adobe Flash Player, it adds a major security risk.
– This list has been created with OS X 10.11 (El Capitan)


Leave a Reply