Important to take measures to secure all PCs we own and use.
Only use operating systems which are still supported in terms of security updates.
Securing Windows Workstations
- Auto-Update: Enable to get latest security patches.
- Find My Device: Enable to track, lock or wipe a lost/stolen device.
- Built-in Security: Do not disable User Account Control (UAC), Windows Firewall or Secure Boot.
- User Profile: Set a strong password and do not share profiles.
- Screen lock: Enable timeout to lock screen after period of inactivity.
- Encryption: Enable BitLocker encryption on all hard drives.
- Anti-malware: Install reputable antimalware software.
Securing Apple OS X Workstations
- Auto-Update: Enable to get latest security patches.
- Find My Mac: Enable to track, lock or wipe a lost/stolen device.
- Built-in Security: Do not disable XProtect, Gatekeeper, Sandboxing or Secure Boot.
- Firewall: Enable the firewall (not enabled by default).
- User Profile: Set a strong password and do not share profiles.
- Screen lock: Enable timeout to lock screen after period of inactivity.
- Encryption: Enable FileVault encryption on all hard drives.
- Anti-malware: Install reputable antimalware software.
Only use operating systems which are still supported in terms of security updates.
Operating System Version | Support Status | End of Life (EOL) | Notes |
---|---|---|---|
Windows 11 24H2 | ✅ Supported | Est. Oct 2026 | Latest major Windows version |
Windows 11 23H2 | ✅ Supported | Est. Nov 2025 | Still secure, update recommended soon |
Windows 11 22H2 | ✅ Supported | Est. Oct 2025 | Still secure, update recommended soon |
Windows 10 22H2 | ⚠️ Security only | Oct 14, 2025 | No new features, only security patches |
Windows 8.1, 7, Vista, XP | ❌ Unsupported | Ended (2017–2023) | Unsafe for daily use |
macOS Sonoma (14) | ✅ Fully supported | Est. 2026 | Latest version with full updates |
macOS Ventura (13) | ✅ Supported (limited) | Est. 2025 | Limited patches only |
macOS Monterey (12) | ❌ Unsupported | Mid 2024 | Unsafe for online use |
macOS Big Sur (11) & older | ❌ Unsupported | Ended 2023 | Unsafe for online use |