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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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What Is Malware and How to Protect Against Malware Attacks?
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What Is Spyware, Who Can Be Attacked, and How to Prevent It
What Is Scareware? Detection, Prevention, and Removal
What Is Pegasus Spyware and Is Your Phone Infected with Pegasus?
What Is the Mirai Botnet?
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The Zeus Trojan: What it is, How it Works, and How to Stay Safe
How to Remove a Virus From Your Router
Trojan-Thumb
What Is Trojan Malware? The Ultimate Guide
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Viruses

More About Viruses
What Is a Computer Virus and How Does It Work?
Can Macs Get Viruses?
Stuxnet: What Is It & How Does It Work?
Macro Virus: What Is It and How to Remove It
Worm vs. Virus: What's the Difference and Does It Matter?
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Can Your iPhone or Android Phone Get a Virus?
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Ransomware

More About Ransomware
The Essential Guide to Ransomware
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How to Prevent Ransomware
What Is Ryuk Ransomware?
The Destructive Reality of Ransomware Attacks
How to Remove Ransomware from Android Devices
How to Remove Ransomware from Your iPhone or iPad
SHOW MORE "RANSOMWARE" ARTICLES

Phishing

More About Phishing
How to Spot and Prevent IP Spoofing
How to Spot Amazon Phishing Emails and Beat Scammers
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What Is Pharming and How to Protect Against It
Spear Phishing: What Is It and How Can You Avoid It?
What Is Phone Number Spoofing and How to Stop It
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What Is Spoofing and How Can I Prevent it?
SHOW MORE "PHISHING" ARTICLES

Scams

More About Scams
How to Block Spam Calls on Your Phone
How to Avoid Amazon Scams
Is PayPal Safe? How to Spot and Avoid PayPal Scams
Instagram Phishing Scams — How to Spot & Avoid Scammers
How to Spot and Avoid Gift Card Scams
What Are Romance Scams and How to Avoid Them
SHOW MORE "SCAMS" ARTICLES

Hacking

More About Hacking
How to Know If Your Phone Has Been Hacked
What Is an Evil Twin Attack and How Does It Work?
Hacker Types: Black Hat, White Hat, and Gray Hat Hackers
ATM Skimming: What Is It and How to Spot a Skimmer
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What Is a Distributed Denial of Service (DDoS) Attack and How Does It Work?
What Is a Brute Force Attack?
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Other Threats

More About Other Threats
How to Find Out an Unknown Caller’s Number
How to Freeze or Unfreeze Your Credit
How to See Sensitive Content on Twitter
What Are NFTs and How Do NFTs Work?
What Is Catfishing and How Do You Spot a Catfisher?
What to Do If Your Instagram Account Is Hacked
SHOW MORE "OTHER THREATS" ARTICLES

Passwords

More About Passwords
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Step-By-Step Guide to Password Protect a File or Folder in Windows
How Does Two-Factor Authentication (2FA) Work?
How to Choose the Best Password Manager
How to Create a Strong Password
The Top Password Cracking Techniques Used by Hackers
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Windows Password Recovery: How to Reset Forgotten Windows Passwords
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Business

More About Business
What is cybersecurity?
IT Disaster Recovery Plans
What Is a Wildcard Certificate and How Does It Work?
Business Continuity Plan (BCP): What Is It and How to Make One
OPSEC: What Is It and How Does It Work?
What Is the Cyber Kill Chain and How Does It Work?
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Security Tips

More About Security Tips
What Is Rooting? The Risks of Rooting Your Android Device
What Is Jailbreaking and Is It Safe?
How to Find a Lost or Stolen Android Phone
The Best Internet Security Software in 2023
What Is a Firewall and Why Do You Need One?
Internet Security: What It Is and How to Protect Yourself Online
SHOW MORE "SECURITY TIPS" ARTICLES

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What's New on Avast Academy

Security
Privacy
Performance
  • What Is Rooting? The Risks of Rooting Your Android Device
  • How to Find Out an Unknown Caller’s Number
  • How to Freeze or Unfreeze Your Credit
  • How to Block Spam Calls on Your Phone
  • Top Internet Safety Tips for Everyone
  • What Is Spyware, Who Can Be Attacked, and How to Prevent It
  • How to Spot a USPS Text Scam
  • How to See Sensitive Content on Twitter
  • What Are NFTs and How Do NFTs Work?
  • What Is Catfishing and How Do You Spot a Catfisher?
  • What Is Doxxing, Is Doxxing Illegal, and How Do You Prevent or Report It?
  • How to Hide Apps on an Android Phone
  • 5 Steps to Take if Your Social Security Number Is Stolen
  • How to Block Websites on Google Chrome
  • How to Contact Credit Bureaus
  • How to Set Google Chrome as Your Default Browser on Any Device
  • How to Delete Your Google Search History
  • How Do I Fix the “Your Connection Is Not Private” Error?
  • An IRS Identity Protection PIN: What Is It & How to Get It?
  • How to Update Chrome on PC, Mac, Android, or iPhone
  • How to Clean Your Computer Screen Without Damaging It
  • How to Fix the Blue Screen of Death (BSOD) on Windows 10 and 11
  • Understanding Wi-Fi 6: What Is It and Do You Need to Upgrade?
  • How to Overclock Your GPU to Boost Your Games’ FPS
  • How to Clear Cache in Chrome and Other Browsers
  • How to Hide Apps on an iPhone
  • How Do I Fix Sound Problems on My Computer?
  • How to Screen Record on a Mac
  • How to Delete Cache and Cookies on Your iPhone
  • How to Clear Your Cache on a Mac

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