As the landscape of digital security continues to evolve, many users are discovering that their Virtual Private Network (VPN) services offer more than just the essential encryption of internet traffic. A growing number of VPN providers are now incorporating additional security features such as malware detection, malicious link checkers, and ad blockers into their offerings. This shift prompts a critical inquiry: can these built-in security tools effectively replace standalone antivirus software, or is there still a need for dedicated antivirus solutions alongside a VPN?
Leading VPNs like NordVPN and Surfshark have stepped up their game by integrating real-time malware protection that actively checks URLs against known malicious databases and scans files during downloads. Notably, in 2024, NordVPN became the first VPN to receive certification as a reliable anti-phishing tool, thanks to its Threat Protection feature, which not only blocks harmful websites and web trackers but also scans downloads in real-time. Surfshark has taken this a step further with its Surfshark One package, which provides comprehensive real-time protection from viruses and malware, including scheduled scans for ongoing security maintenance.
Other players in the market, such as Avira and CyberGhost Security Suite, leverage shared infrastructures for their antivirus capabilities. Avira’s anti-malware SDK is utilized by several VPN partners, while CyberGhost employs Intego’s frontend. However, this shared reliance on the same detection databases can lead to potential delays in updates, leaving users vulnerable during the integration period. Furthermore, the inconsistency in platform support means that some antivirus features may only be available on Windows and Android, leaving macOS and iOS users with partial protection—an exploitable gap for threat actors targeting Apple devices.
OS-level protection
The evolution of built-in security measures deserves recognition, particularly as they have advanced significantly beyond their initial, basic offerings. Take Microsoft Defender, for instance; once viewed as a minimal option, it has undergone considerable improvements. According to AV-Comparatives’ July-August 2026 real-world protection test, Defender successfully blocked 95.5% of live threats, with only one false positive recorded. Its consistency is noteworthy, having consistently earned Advanced+ awards and protection scores that rival those of paid solutions like Bitdefender and Sophos. Importantly, it has also demonstrated a lower rate of false positives compared to many commercial competitors, minimizing disruptions for users.
Apple has adopted a sophisticated approach as well, employing a trio of defenses rather than relying solely on traditional signature-based scanning. The Gatekeeper feature verifies the authenticity of applications, Notarization scans for known malware prior to distribution, and XProtect manages background detection with automatic updates. Recent versions of macOS have introduced XProtect Remediator, which periodically scans for active infections that may have evaded initial detection. While these systems collectively thwart a significant number of opportunistic attacks, zero-day threats remain a vulnerability.
The free options and when to pay
For those hesitant to invest in antivirus software, Avast Free Antivirus serves as a reliable baseline. Recent testing by AV-Comparatives highlighted it as one of only three products out of 20 tested to achieve a perfect 100% block rate. However, free tiers often come with trade-offs, such as limited cross-platform coverage and fewer tools. While these limitations may not pose a significant issue for casual browsing, they can become problematic for users managing sensitive files across multiple devices.
In contrast, the value proposition shifts dramatically with paid antivirus suites. Products like Norton 360 Deluxe and Bitdefender Total Security offer a plethora of additional features beyond basic antivirus protection, including password managers, cloud backup, parental controls, and identity monitoring. Bundling these utilities into a single package not only simplifies management but often proves more cost-effective than purchasing each tool separately.
The Verdict
Ultimately, a layered approach to digital security emerges as the most effective strategy. Combining a VPN, free antivirus, and built-in OS-level security creates a robust foundation for protection. Relying solely on any one of these layers leaves potential gaps. A VPN, while excellent for encrypting traffic, cannot detect malware already present on a device or safeguard offline activities. Free antivirus solutions often lack the advanced behavioral analysis and support found in premium offerings, while OS-level security measures may not be sufficient to defend against every zero-day exploit or sophisticated threat.
For the average user practicing prudent browsing habits, this layered approach typically provides adequate protection for everyday activities. However, those who manage sensitive data, conduct frequent financial transactions, or utilize older hardware that may delay security updates should consider investing in a premium suite for enhanced peace of mind. Most users can maintain security without overspending, provided they stay vigilant by keeping software updated and exercising caution with unexpected pop-ups or unsolicited links.
