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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.

Malware
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Avast Academy Security

Malware

More About Malware
What Is Malware and How to Protect Against Malware Attacks?
What is fileless malware, and how can you help prevent it?
Can You Run Windows Defender and Avast at the Same Time?
Malicious Code: What Is It and How Can You Prevent It?
Spyware-Thumb
What Is Spyware, Who Can Be Attacked, and How to Prevent It
What Is Scareware? Detection, Prevention, and Removal
Pegasus Spyware: What Is It and Is It on My Phone?
How to Detect and Remove Spyware From an iPhone
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Viruses

More About Viruses
What Is a Computer Virus and How Does It Work?
How to Check for Viruses on iPhone
iPhone Viruses: Can My Phone Get Infected?
Fake Viruses: How Do You Know If a Virus Alert Is Real?
The 7 Most Dangerous New Computer Viruses & Malware
Can Macs Get Viruses?
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Ransomware

More About Ransomware
What Is Ransomware and How to Prevent It
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
CryptoLocker-Thumb
What is CryptoLocker Ransomware and How to Remove it
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Phishing

More About Phishing
What Is Smishing and How to Avoid It
What Is Vishing? Definition, Attack Methods & Prevention
How to Spot and Prevent IP Spoofing
How to Spot Amazon Phishing Emails and Beat Scammers
Pharming-Thumb
What Is Pharming and How to Protect Against It
Spear Phishing: What Is It and How Can You Avoid It?
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Scams

More About Scams
Brushing Scams: What Are They and How Do They Work?
A Nigerian prince wearing a gold crown and surrounded by coins.
What is the Nigerian Prince scam?
Block Mobile Scams Instantly with AI-Powered Scam Guardian Pro
How to Avoid eBay Scams: A Comprehensive Guide
How to Spot and Avoid Fake Emails Supposedly from Avast
Is Ticketmaster Legit?
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Hacking

More About Hacking
What is a dictionary attack?
What is a script kiddie?
What Is a Honeypot and How Does It Help Trap Hackers?
Ethical Hacking: What It Is and How To Do It
How to Tell If Your Phone Is Tapped and What You Can Do About It
Has My Amazon Account Been Hacked?
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Other Threats

More About Other Threats
Is BlueStacks safe?
What Is Riskware and How to Avoid It
Is Roblox Safe for Kids?
Juice Jacking: What It Is and How to Protect Your Devices
What Is Hugging Face?
What Can Scammers Do With Your Number and How Can You Help Protect It?
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Passwords

More About Passwords
Credential Stuffing: What It Is and How To Prevent It
How to View Saved Passwords in Chrome: Step-by-Step Guide
How Does Two-Factor Authentication (2FA) Work?
How to Password Protect a Folder or File in Windows
How to Choose the Best Password Manager
Strong Password Examples and How to Create Them
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Business

More About Business
What Are Intrusion Detection Systems (IDS) and How Do They Work
What is SOC 2? Your Guide to SOC Certification and Compliance
What Is a Security Operations Center (SOC)?
What is cybersecurity?
What Is an IT Disaster Recovery Plan and Why Business Continuity Matters
What Is a Wildcard Certificate and How Does It Work?
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Security Tips

More About Security Tips
New Avast One vs Legacy Avast One: What’s Changed?
What Is the New Avast One?
Is Mercari legit? A guide to safe shopping and avoiding scams
Is WeTransfer Safe?
Is Poshmark Legit?
Is WhatsApp Safe?
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What's New on Avast Academy

Security
Privacy
Performance
  • Brushing Scams: What Are They and How Do They Work?
  • New Avast One vs Legacy Avast One: What’s Changed?
  • What Is the New Avast One?
  • Is Mercari legit? A guide to safe shopping and avoiding scams
  • Is BlueStacks safe?
  • Credential Stuffing: What It Is and How To Prevent It
  • What is the Nigerian Prince scam?
  • Is WeTransfer Safe?
  • What is a dictionary attack?
  • Is Poshmark Legit?
  • What Is VPN Split Tunneling?
  • VPN Kill Switch: What It Is and Why It Matters
  • How to Prevent Elder Financial Abuse
  • What Is a Replay Attack and How Does It Work?
  • What Is VoIP and How Does It Work?
  • What to do if you lose your wallet
  • How to Find Hidden Apps on Android
  • Six New Ways Avast Secure Browser Helps Keep You Safe, Private, and in Control
  • Is TikTok Shop Safe and Legit?
  • Is AliExpress Legit? How to Buy From AliExpress Safely
  • What Is Firmware?
  • Facebook Session Expired: Causes, Solutions, and Prevention
  • How to Get Your Mouse Cursor Back: 11 Tried and Tested Methods
  • How to Split Screens on Your PC or Laptop (Windows 10 & 11)
  • Your Phone Is Not Registered On a Network: What It Means and How to Fix It
  • How to Update Apps on an Android Phone
  • How to Clear the Instagram Cache on Your Device
  • The Applications Folder on Mac: How to Find and Access Your Apps
  • How to Clear System Data or “Other” Storage from Your iPhone
  • How to Fix Corrupted Files on Windows Using SFC And DISM

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Security
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