Microsoft Defender for Mac (the consumer version, also called Microsoft Defender for individuals) is a free extra that comes with Microsoft 365 Personal or Family subscriptions. It is not part of the business plans.
In an era where cyber threats are becoming increasingly sophisticated, protecting your Mac from malware, ransomware, and other online dangers is more important than ever. While macOS is known for its robust security features, it is not impervious to threats. Cybercriminals are constantly finding new ways to exploit vulnerabilities, making it essential to have reliable antivirus software installed on your Mac.
Fortunately, there are several excellent free antivirus options available that offer robust protection without breaking the bank. In this article, we’ll explore the top 5 free antivirus software for Mac in 2026, based on effectiveness, features, user reviews, and overall reputation.
While Macs have long been considered more secure than Windows PCs, the threat landscape has dramatically shifted in recent years. Cybercriminals are increasingly targeting macOS with sophisticated malware, ransomware, spyware, and phishing attacks. According to cybersecurity firm Malwarebytes, Mac malware detections surged by 400% in 2025 alone, and this trend shows no signs of slowing in 2026.