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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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How to Remove Spigot From Your Mac
What Is Malvertising and How Do I Stop it?
What Is a Logic Bomb? How to Prevent Logic Bomb Attacks
What Is Scareware? Detection, Prevention & Removal
How to Remove Spyware From an iPhone
How to Remove Spyware From a PC
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Viruses

More About Viruses
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The Essential Guide to Computer Viruses
How to Remove a Virus From an iPhone and iPad
How to Remove Viruses from an Android Phone
Macro Virus: What Is It and How to Remove It
The Best Free Antivirus Software in 2021
Worm vs. Virus: What's the Difference and Does It Matter?
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Ransomware

More About Ransomware
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How to Prevent Ransomware
The Essential Guide to Ransomware
How to Remove Ransomware from Android Devices
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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 Phone Number Spoofing and How to Stop It
What Is a Firewall and Why Do You Need One?
How to Identify & Prevent Tech Support Scams
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What Is Spoofing and How Can I Prevent it?
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Passwords

More About Passwords
The Top Password Cracking Techniques Used by Hackers
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Step-By-Step Guide to Password Protect a File or Folder in Windows
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How to Choose the Best Password Manager
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Internet of Things

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Internet of Things Security Risks
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Business

More About Business
What is cybersecurity?
How to Keep Your Facebook Business Page Secure
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What Is Cloud Security?
What Is Server Security - and Why Should You Care?
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Security
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Performance
  • What Is Phone Number Spoofing and How to Stop It
  • What Is a Firewall and Why Do You Need One?
  • The Top Password Cracking Techniques Used by Hackers
  • How to Remove a Virus From an iPhone and iPad
  • What Is a Rootkit and How to Remove It?
  • How to Identify & Prevent Tech Support Scams
  • What Is Spoofing and How Can I Prevent it?
  • How to Remove Spigot From Your Mac
  • What Is Malvertising and How Do I Stop it?
  • What Is a Logic Bomb? How to Prevent Logic Bomb Attacks
  • Browser Hijacker: What Is It and How to Remove It
  • Why Is My Browser So Slow? How to Speed Up Chrome, Firefox, and IE
  • ISP Throttling: What Is It and How to Stop It
  • How to Allow and Block Pop-Ups in Safari
  • How to View and Delete Incognito History
  • How to Block and Allow Pop-Ups in Edge and Explorer
  • How to Allow and Block Pop-Ups in Firefox
  • How to Remove Extensions From Chrome
  • The Best Free Encryption Software to Protect Your Data
  • How to Check If Your VPN Is Working
  • 11 Simple Ways to Stop Your MacBook From Overheating
  • How to Upgrade Your Mac With an SSD Drive
  • How to Check Storage on Mac
  • How to Clear Your Android Cache & Why You Should Do It
  • What Is Superfetch and How Can You Disable It?
  • How to Check if Your Hard Drive Is Failing
  • What Is Other Storage on a Mac and How to Delete It
  • The Best PC Cleaner Software for Windows
  • Fix 100% Disk Usage in Windows 10 Task Manager
  • The Best Mac Cleaner Software

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