Glossary (A–Z)

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• Malware

  What it is Malware is any software made to harm your device or data. It can steal passwords, lock your files, spy on activity, or hijack your browser. For a quick primer and examples, see our malware explainer. How it spreads Phishing emails and fake ...

• Data Execution Prevention

  What it is Data Execution Prevention (DEP) is a Windows safety net that stops code from running in places it shouldn’t—like the stack or heap. If malware tries to execute from those memory areas, Windows blocks it and shuts the app down instead of ...

• Mobile Malware

  What it is Mobile malware is malicious software that targets phones and tablets. It can steal messages and passwords, spy through permissions, hijack your browser, or lock files for ransom. Infections usually arrive through shady apps, smishing ...

• Fileless Malware

  What it is Fileless malware runs from memory instead of dropping obvious files on your disk. It often abuses built-in tools (like PowerShell or WMI) and trusted apps, making it harder for traditional antivirus to spot. How it works You visit a ...

• Crypto Malware (Cryptojacking)

  What it is Cryptojacking is sneaky malware that hijacks your CPU/GPU to mine cryptocurrency for someone else. You pay the price—slowdowns, heat, battery drain—while the attacker collects the coins. What you may notice Fans roaring and the device runs ...