Level 5

Device Security

Computers, smartphones, and tablets often contain personal files, saved accounts, work documents, photos, and private communications. An unprotected or outdated device can expose this information to malware, theft, or unauthorized access.

This level covers the everyday actions that help protect devices, including updates, screen locks, safe applications, backups, and basic malware prevention.

Topics covered in this level

  • Installing security and software updates.
  • Using screen locks and secure authentication.
  • Downloading applications from trusted sources.
  • Recognizing possible malware warning signs.
  • Backing up important files and information.

Learning objective

After completing this level, you should understand how to reduce common device risks and maintain safer computers and mobile devices.

Security tip:
Install updates promptly because they often fix security weaknesses that attackers may already know about.

Level Locked

Complete the previous level and score 70% or higher.
Then enter the unlock flag you received to access this quiz.