Bitdefender Total Security vs Surfshark Antivirus Comparison
Don't see the tool you use?
| Feature | ||
|---|---|---|
| Overview | ||
| Rating | 7.5 | 6.1 |
| Pricing |
Show billing detailsHide billing details
|
Show billing detailsHide billing details
|
| Sold on its own | Yes | No |
| Free tier | Limited free tier | Paid only |
| Devices | 5 | 5 |
| Money-back | 30 days | 30 days |
| Established | Not specified | 2021 |
| Platforms | WindowsmacOSAndroidiOS | WindowsmacOSAndroid |
| Extras included | VPNPassword managerFirewallSystem cleanupIdentity monitoringParental controls | VPNIdentity monitoring |
| Rating by category | ||
| Protection Quality | 9.5 | 7.0 |
| Privacy & Data Practices | 6.0 | 5.5 |
| Usability & System Impact | 8.5 | 6.5 |
| Transparency & Verifiability | 5.5 | 4.5 |
| Price & Value | 6.5 | 6.0 |
| Protection | ||
| Independent lab tests | Regularly tested | Sometimes tested |
| Lab results | Protection 6.0/6 (100% against 0-day attacks and 100% of the reference set, both months) (AV-TEST, Home user test, Bitdefender Total Security 27.0, Jul–Aug 2026, Windows) + 5 more | 6.0/6.0; 0-day and web threats 100% (May) and 99.8% (June), industry average 99.9%; recent widespread malware 100% in both months (AV-TEST, Home user security products for Windows (report 261317, version 6.9 & 6.11), May–Jun 2026, Windows) + 1 more |
| Privacy & data | ||
| What leaves the device | Checks sentShow detailsHide detailsThe privacy policy says the products send technical data such as IP and MAC addresses and pseudonymized identifiers of devices, files, folders, apps and URLs; with email protection, header data such as sender, recipient and subject. The Windows guide says Quick Scan uses in-the-cloud scanning. Neither says whether whole files are uploaded for analysis. | Not statedShow detailsHide detailsSurfshark says Cloud Protect checks suspicious files against its cloud database in real time 'without ever seeing your personal data', but neither the product pages, the help center nor the privacy policy say whether a file's fingerprint or the file itself is sent. |
| Data used for | Analytics tooShow detailsHide detailsTechnical data is used for security and, in the policy's words, 'for statistical purposes and improving the quality of our solutions'. The account email can be used for Bitdefender's own marketing unless you opt out. The policy says 'We do not sell your data.' Technical data may be kept for up to 10 years. | Ads or partnersShow detailsHide detailsThe privacy policy's antivirus section uses device information to enforce the device limit and processes the malware name and type, country, OS and user ID for statistics. Separately, with your consent, the apps send device and engagement data to analytics and attribution providers, and the policy says advertising partners help attribute sales and show interest-based ads. The policy says Surfshark does not sell personal data. |
| Telemetry | On unless you opt out | Always on |
| Past data sharing | No | No |
| Past breach | Yes | Yes |
| Trust & transparency | ||
| Product audit | None on record | None on record |
| Bug bounty | Yes | Yes |
| Jurisdiction | RomaniaShow detailsHide detailsBitdefender S.R.L. is registered in Bucharest, Romania, and processes personal data under the EU GDPR. The privacy policy names hosting, support, e-commerce and marketing processors in the EU and the USA. | NetherlandsShow detailsHide detailsThe contract is with Surfshark B.V., registered in Amsterdam, the Netherlands. The terms of service are governed by the law of the British Virgin Islands. |
| Owner | Bitdefender S.R.L.Show detailsHide detailsA privately held company led by co-founder and CEO Florin Talpeș. In December 2017 the investment firm Vitruvian Partners bought about 30% from another shareholder, becoming the second-largest shareholder after co-founders Florin and Mariuca Talpeș; a group of private investors holds a minority stake. The most recent ownership details found date from 2017. | Surfshark B.V.Show detailsHide detailsSurfshark B.V. sells the antivirus as part of its own subscription. The privacy policy says it shares data with its group companies in the EEA, the United States and the United Kingdom, without naming them. |
| Review | Read more → | Read more → |
Where each one is ahead

Bitdefender Total Security
- Protection Quality: rated 9.5 vs 7.0
- Usability & System Impact: rated 8.5 vs 6.5
- Sold on its own: Yes
- Independent lab tests: Regularly tested
Surfshark Antivirus
No clear advantage in the compared rows.
Read also
More comparisons
VSBitdefender Total Security vs ESET HOME Security Essential7.57.3
VSBitdefender Total Security vs Kaspersky Premium7.57.2
VSBitdefender Total Security vs Microsoft Defender Antivirus7.57.0
VS
Surfshark Antivirus vs ESET HOME Security Essential6.17.3
VS
Surfshark Antivirus vs Kaspersky Premium6.17.2
VS
Surfshark Antivirus vs Microsoft Defender Antivirus6.17.0