Cybersecurity · Beginner level

Beginner level · Module 3 of 5 · 10 guided hours

Device Security

Keep computers and phones updated, locked, encrypted and backed up.

Learning objectives

  • Keep operating systems and apps updated
  • Secure devices with screen locks, encryption and app permissions
  • Back up data so it can be recovered

Topics

  • updates and patches
  • antivirus and built-in protection
  • screen locks
  • device encryption
  • app permissions
  • 3-2-1 backups

Lessons

  1. Lesson 1 Updates and Built-In Protection

    Close security holes with updates and use the protection already on your device.

    vulnerabilitiespatchesautomatic updatesbuilt-in antivirus

  2. Lesson 2 Locks, Encryption and App Permissions

    Protect devices that are lost or stolen and limit what apps can access.

    screen lockdevice encryptionfind my deviceapp permissions

  3. Lesson 3 Backups You Can Restore

    Back up important data so ransomware, theft or failure does not mean loss.

    3-2-1 ruleoffline copiescloud backuprestore testing

Practical activity

Complete a security checklist on a laptop and a phone: updates, built-in protection, lock screen, encryption, app permissions and a tested backup.

Expected outcomes

  • Hardened personal devices
  • A working, tested backup

Assessment

Device checklist verified with screenshots of settings (no personal data) and a successful file restore.

Free taster lesson Device Security: Updates, Antivirus & Backups Read a free self-study lesson on this topic in the Free Course Library.

Taught live by an instructor — online or in person. Free course lessons are for self-study and do not lead to a certificate — see registration options.