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What Is Malware? Types and How to Protect Yourself

By DataJive Editorial Team · Updated Oct 4, 2026 · 1 min read
What Is Malware? Types and How to Protect Yourself

Malware is any software designed to harm devices or steal data. The word covers many kinds of threats.

Common types

  • Viruses and worms: spread between files or devices.
  • Trojans: disguised as useful software.
  • Ransomware: locks files for payment.
  • Spyware: records activity or keystrokes.
  • Adware: pushes unwanted ads.

How you get infected

  • Downloads from untrusted sites.
  • Malicious attachments and links.
  • Fake updates and apps.
  • Infected USB drives.

Protection

  • Update your system and apps.
  • Install apps only from official stores.
  • Use reputable security software.
  • Back up regularly.
Key takeaway: Updates, official downloads and caution with attachments prevent most malware infections.

DJ
DataJive Editorial Team
We research and test security and privacy tools, and explain them in plain language. Content is for information only.

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