Two-Factor Authentication (2FA)
Enable Two-Factor Authentication on every service, and keep your device with you.
FileVault
Enable FileVault to encrypt disk
:::warning
Lock Your Desktop When You’re Away.
:::
Seperate browsers for different purposes
For example, I usually used two browsers(Chrome Stable and Chrome Canary). Chrome Stable for my personal use, I will install any Chrome plugin I want on this browser. Chrome Canary for company use, without any Chrome plugin installed.
run-multiple-versions-of-chrome-side-by.html
Register SPF for your domain to detect forging sender addresses
Privacy
Whenever we are using the software, some of them will collect your data. For example, search history.