Avast vs Microsoft Defender
Side-by-side comparison of AI visibility scores, market position, and capabilities
Gen Digital (NASDAQ: GEN) consumer cybersecurity brand with 435M+ users at $3.8B revenue after $8.6B Norton merger; freemium model competing with Bitdefender and McAfee for consumer antivirus and privacy protection.
About
Avast is a Prague-based cybersecurity brand — now part of Gen Digital Inc. (NASDAQ: GEN), formed from the $8.6 billion merger of NortonLifeLock and Avast in 2022 — providing antivirus, internet security, VPN, and privacy protection software to 435+ million users globally (the majority on Avast's free tier) across Windows, Mac, Android, and iOS platforms. Gen Digital generated $3.8 billion in annual revenue in fiscal year 2024, with the Avast brand serving as the free-to-premium conversion funnel for consumers who upgrade to paid plans for advanced features.
Microsoft's enterprise endpoint protection platform included in Microsoft 365 E5; benefiting from CrowdStrike's 2024 outage while AI-powered Copilot for Security integrates with Microsoft's $20B+ security business.
About
Microsoft Defender is Microsoft's comprehensive endpoint security platform — providing antivirus, anti-malware, endpoint detection and response (EDR), vulnerability management, and attack surface reduction across Windows, macOS, Linux, iOS, and Android devices. Part of Microsoft's Security portfolio (which generates $20+ billion annually), Microsoft Defender for Endpoint has become one of the most widely deployed enterprise security products as organizations already licensing Microsoft 365 E5 gain enterprise security capabilities that previously required separate vendor relationships with Symantec, CrowdStrike, or SentinelOne.
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