Security & Privacy · Antivirus

Free alternatives to Norton Antivirus

Norton Antivirus by Gen Digital: Antivirus and device security suite. Pricing: subscription. Here are 2 free options that cover the same job.

Alternative	Type	Platforms	Best for
Microsoft DefenderIncluded with Windows 10 and 11.	Free	Windows	Built-in protection on Windows	Get it
ClamAV	Open source	Linux, Windows, macOS	Scanning mail servers and file shares	Get it
Norton AntivirusThe paid original	Subscription	–	Antivirus	Visit

The alternatives in detail

Free

Best for: Built-in protection on Windows.

Included with Windows 10 and 11.

Runs on: Windows

Open source

Best for: Scanning mail servers and file shares.

Runs on: Linux, Windows, macOS

Is there a free alternative to Norton Antivirus?

Yes. Microsoft Defender is a strong free option for built-in protection on windows. Other choices include ClamAV.

Which Norton Antivirus alternative is open source?

ClamAV is open source.