Avast Security for Mac

Stop malware and scan for Wi-Fi security weaknesses with our free antivirus for Mac.

Download Free

Essential security

Your Mac is not immune to threats — yet.
Our free Mac antivirus protects on 3 fronts.

Malware isn’t the only threat to your Mac. Malicious websites and vulnerable Wi-Fi networks can also jeopardize your safety. Avast Security provides essential free protection against all 3 threats.

Free Mac Security screen
Anti-malware features

Malware can’t hide from us

Your macOS might stop some malware variants, but it can’t help you if you’re already infected. Our antivirus for Mac not only blocks viruses, spyware, Trojans, and other malware in real-time, it also scans your entire Mac for already-hidden threats.

See all anti-malware features

Real-Time Protection

Runs silently in the background to block threats as they appear.

Total Malware Detection

Stops both Mac and Windows threats to prevent you from sharing infected files with your friends who use PCs.

Full Mac Scan

Run an in-depth scan of your entire Mac to root out hidden malware.

Removable Drive Scan

Scan any external drives (CD, DVD, USB, etc.) attached to your Mac.

Custom Scan

Select specific files or folders for faster, targeted scans.

Scheduled Scan

Schedule scans for when you’re sleeping or away from your Mac.

Security Reports

Stay informed with personalized security reports every 30 days.

Real-Time Security Updates

Receive security updates and new features automatically.


Online security features

Browse and email all day. You’re protected

Even trusted websites can get hacked, and criminals can easily spoof emails from your friends or bank. Avast Security alerts you to unsafe websites, blocks unsafe downloads, stops dangerous email attachments, and prevents intrusive web tracking.

See all online security features

Web Shield

Blocks dangerous downloads, and prevents malicious websites from injecting malware onto your Mac.

Email Shield

Prevents you from sending and receiving malicious email attachments.

Online Security

Warns you of unsafe websites, blocks intrusive ad tracking, and safely redirects you to correct sites if you mistype an address. (Available as an option browser extension)


Wi-Fi security features

Expose the weakest link in your Wi-Fi network

An unsecured Wi-Fi network is an open door to threats. Avast Security scans your entire network and all connected devices for vulnerabilities to help you stop hackers from stealing your personal data.

System requirements

We’re not demanding. All you need is a Mac running macOS 10.9 (Mavericks) or later with at least 500 MB of disk space.

An Internet connection is also required for automatic security updates.

Download Free

Chrome browser logo

Avast recommends using
the FREE Chrome™ internet browser.