macOS
In short: macOS is Apple’s operating system for Mac computers, based on Unix (Darwin/XNU).
In more detail: It is often considered secure but is not immune to malware. With wider adoption the number of attacks also rises.
In Depth
Security features
- Gatekeeper: checks the origin and signature of programs.
- XProtect: built-in malware scanner.
- SIP (System Integrity Protection): protects system files.
- FileVault: disk encryption.
- Sandbox for apps.
Technology
Since 2020 Macs run with Apple’s own Apple Silicon chips (ARM). File system: APFS. See Apple, operating system, Linux, Windows.
See also: Apple, Operating System (OS), Windows, Linux