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Security

We’ve been fighting viruses since 1988 — so we know how to keep you secure. Learn from our experts and get the skills you need to stay safe against online threats.

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Avast Academy Security

Malware

More About Malware
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The Essential Guide to Malware: Detection, Prevention & Removal
How to Remove Spyware From a PC
Webcam Security: How to Stop Your Camera from Being Hacked
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Spyware: Detection, Prevention, and Removal
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What is Adware and How Can You Prevent it?
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Mac Security: The Essential Guide
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Malware vs. Viruses: What’s the Difference?
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Viruses

More About Viruses
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The Essential Guide to Computer Viruses
How to Detect & Remove Spyware From an Android Phone
How to Remove Viruses & Malware From a PC
Can Macs Get Viruses?
How to Remove a Virus from an iPhone and iPad
Is Windows Defender Good Enough?
SHOW MORE "VIRUSES" ARTICLES

Ransomware

More About Ransomware
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How to Prevent Ransomware
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The Essential Guide to Ransomware
How to Remove Ransomware from Android Devices
How to Remove Ransomware from Your iPhone or iPad
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What is CryptoLocker Ransomware and How to Remove it
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Cerber Ransomware: Everything You Need to Know
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Other Threats

More About Other Threats
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Is This Website Safe? Your Complete Website Safety Check Guide
What Is Doxxing and How Can You Prevent It?
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What Is Cross-Site Scripting (XSS)?
What Is Cloud Security?
What Is Server Security - and Why Should You Care?
What Is EternalBlue and Why Is the MS17-010 Exploit Still Relevant?
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Passwords

More About Passwords
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Step-By-Step Guide to Password Protect a File or Folder in Windows
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How to Recover or Reset Forgotten Windows Passwords
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How to Choose the Best Password Manager
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Internet of Things

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What is the Internet of Things (IoT)?
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Internet of Things Security Risks
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What is a Smart Home?
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How to Build a Smart Home: A Beginner’s Guide
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What's New on Avast Academy

Security
Privacy
Performance
  • How to Detect & Remove Spyware From an Android Phone
  • What Is Doxxing and How Can You Prevent It?
  • How to Remove Viruses & Malware From a PC
  • What Is Cross-Site Scripting (XSS)?
  • What Is Cloud Security?
  • What Is Server Security - and Why Should You Care?
  • How to Remove Spyware From a PC
  • What Is EternalBlue and Why Is the MS17-010 Exploit Still Relevant?
  • Can Macs Get Viruses?
  • Cyberbullying: What You Need to Know
  • How to Clear Your Cache on a Mac
  • How to Set Up a VPN
  • What Are the Best Ad Blockers to Use for Your Browser?
  • A Complete Guide to Web Tracking (and How to Avoid It)
  • How to Open Incognito Mode in Google Chrome
  • How to Clear Your Browser History
  • How to Change Your Privacy Settings on Facebook
  • How to Change Your Privacy Settings on Instagram
  • How do I Hide My IP Address?
  • What is a VPN & How Does it Work?
  • How to Clean Up Your Mac
  • How to Increase Your Internet Speed... Right Now!
  • How to Format a Hard Drive: The Essential Guide
  • The Essential Guide: How to Clean Up Your Computer
  • How to Speed Up Your PC
  • How to Speed Up a Slow Mac
  • How to Clone a Hard Drive
  • How to Defrag Windows 10, Windows 8 and Windows 7 Hard Drives
  • How to Check How Much RAM You Have
  • What is RAM and Why is it Important?

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