Bitdefender vs. Surfshark: Which Offers the Best Malware Defense in 2025?

With cyber threats evolving faster than ever, your choice of security software can make or break your digital safety. While both Bitdefender and Surfshark have earned strong reputations in the cybersecurity space, they offer very different approaches when it comes to malware protection.

If you're deciding between the two, this guide breaks down their key features, malware defense capabilities, and which one may be the best fit for your needs in 2025.

Understanding the Key Differences

While both brands focus on privacy and protection, they cater to slightly different audiences:

• Bitdefender is a long-established antivirus solution known for advanced threat detection, AI-based malware prevention, and comprehensive device coverage.

• Surfshark, initially known for its VPN, now offers Surfshark One, a bundled solution that includes antivirus, VPN, identity monitoring, and secure search tools.

But which one delivers better malware protection? Let’s explore their core security features.

Malware Protection: Bitdefender’s Stronghold

Bitdefender has consistently ranked at the top in independent lab tests for malware protection. Its multi-layered defense system is designed to detect, block, and neutralize both known and emerging threats before they can do any damage.

Bitdefender Malware Defense Highlights:

• Advanced Threat Defense – Uses behavioral detection to identify suspicious activities in real time

• Ransomware Remediation – Proactively protects against file-encrypting ransomware

• AI-Powered Malware Detection – Learns and adapts to new threat patterns without slowing down your device

• Real-Time Web Attack Prevention – Blocks malicious URLs, infected downloads, and phishing attempts

In 2025, Bitdefender remains one of the most trusted names in digital protection. Its antivirus engine is regularly updated and is trusted by millions for business and personal use.

Surfshark’s Security Suite: More Than Just a VPN

Surfshark One is relatively new to the antivirus scene, but it's gaining ground with its clean interface and privacy-first features. The malware protection component in Surfshark focuses on simplicity, offering essential antivirus coverage with seamless integration.

Surfshark Malware Protection Features:

• Real-Time Antivirus Engine – Scans files, downloads, and applications for known threats

• Lightweight Security – Minimal impact on performance, ideal for low-spec devices

• Cross-Platform Compatibility – Works on Windows, macOS, Android, and iOS

• VPN + Antivirus Integration – Combines secure browsing with malware scanning for better privacy

While not as robust or proven in malware testing as Bitdefender, Surfshark’s antivirus is great for users already invested in Surfshark’s ecosystem or those seeking basic protection with enhanced privacy.

Which One Should You Choose?

Choose Bitdefender if:

• You need advanced, real-time malware protection

• You frequently download files or use external storage

Choose Surfshark One if:

• You're already using or planning to use Surfshark VPN

• You want a lightweight, all-in-one privacy solution

Final Verdict: Bitdefender Wins on Malware Defense

While Surfshark One offers a convenient all-in-one solution for privacy-conscious users, when it comes to malware defense, Bitdefender clearly leads with its long-standing expertise, AI-driven detection, and comprehensive threat response capabilities.

If you're looking for serious protection against malware, ransomware, and evolving cyber threats, Bitdefender is the stronger choice for 2025.

👉 Read the full comparison here and make the right decision for your digital safety.