F-Secure Internet Security

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Product

F-Secure Internet Security is F-Secure's consumer antivirus product for Windows, macOS, iOS and Android, protecting devices and online banking and payments. F‑Secure Internet Security antivirus protects you from malware and more with comprehensive security features. F‑Secure Internet Security protects your devices from unauthorized access, hacking, malware, phishing and other forms of cyber crime. F‑Secure Internet Security helps you prevent the loss of sensitive information, identity theft and computer virus infections. Among the capabilities recorded for it are malware detection, ransomware protection and web protection.

Current Version: 26.9.1240618
Product Page: f-secure.com/en/internet-security
Market: Consumer
Licence: Paid
Price: EUR 49.99 / annual
Record Created: 2026-08-20
Last Updated: 2026-10-29

Vendor

F-Secure is the consumer half of a company that split in two. Founded in Helsinki in 1988 as Data Fellows, it spent three decades selling to households and organisations alike; in 2022 it demerged, the business products leaving as WithSecure and F-Secure keeping the consumer range and the name. Both companies appear in this index and neither owns the other. What it sells now is protection for individuals and families: F-Secure Total as the full bundle, with F-Secure Internet Security, F-Secure VPN, F-Secure ID Protection and F-Secure Scam Protection available within or beside it, and free tools including F-Secure Online Scanner, F-Secure Link Checker and a deepfake detector. It says it reaches more than 30 million people. A large share of that reach comes through operators rather than shops: F-Secure has long sold its protection through internet providers and mobile carriers who bundle it with a subscription, so many of its users acquired it with their broadband rather than by choosing it. That, and the 35-year engine lineage it shares with WithSecure, are the two things worth knowing when reading its results here. Vendor page →

Website: f-secure.com
Country: Finland
Headquarters: Helsinki, Finland
Year Established: 1988
Customers: 100K organisations
Users: 30M users
Revenue: ≈ $160.3M (2025)

Platforms

Android	native
iOS	native
macOS	native
Windows	native

Target Market

Consumer primary

Capabilities

Pricing

Plan	Licence	Priced per	Billed	Price
Summary	Subscription	not stated	yearly	EUR 49.99

Versions

26.9.1240618Androidreleased 2026-10-09
26.9iOSmacOSreleased 2026-10-05
19.1Windows

The newest release each source names per platform, not every release the vendor has shipped. A release date is shown only where one is recorded.

Independent Tests

At a glance — latest result per lab test

AV-Comparatives Real-World Protection TestAdvanced

Tested: Windows2026-06-15lab report ↗

AV-Comparatives Malware Protection TestAdvanced

Tested: Windows2026-10-15lab report ↗

AV-Comparatives Performance TestAdvanced

Tested: Windows2026-10-20lab report ↗

Each bar is one lab’s own figure on that lab’s own scale. Labs test different models at different times, so the figures are not combined into one score.

All results

AV-Comparatives Real-World Protection TestAV-Comparatives Real-World Protection Test — February–May 20262026-06-15

AdvancedProtection Rate: 98.8%False Positives: 11

AV-Comparatives Real-World Protection TestAV-Comparatives Real-World Protection Test — July–October 20252025-11-17

Advanced+Protection Rate: 99.1%

AV-Comparatives Malware Protection TestAV-Comparatives Malware Protection Test — March 20262026-04-15

Offline Detection Rate: 98.6%Online Detection Rate: 99.1%Online Protection Rate: 99.98%False Positives: 19

AV-Comparatives Malware Protection TestAV-Comparatives Malware Protection Test — September 20252025-10-15

Offline Detection Rate: 97.9%Online Detection Rate: 98.9%Online Protection Rate: 99.99%False Positives: 45

AV-Comparatives Malware Protection TestAV-Comparatives Malware Protection Test — September 20262026-10-15

AdvancedOffline Detection Rate: 96%Online Detection Rate: 98.6%Online Protection Rate: 99.97%False Positives: 14

AV-Comparatives Performance TestAV-Comparatives Performance Test — April 20262026-04-22

Impact Score: 18.3AV-Comparatives Score: 85

AV-Comparatives Performance TestAV-Comparatives Performance Test — September 20252025-10-15

Impact Score: 28.2AV-Comparatives Score: 75

AV-Comparatives Performance TestAntivirus Performance Test September 20262026-10-20

AdvancedImpact Score: 19.3AV-Comparatives Score: 85

Certifications

OESIS Framework SupportSupported1 activeSupported

OPSWAT Certified Security ApplicationPlatinum1 activePlatinum

Change History

This record was created 2026-08-20. Everything below is what has changed since.

2026-10-29Certification addedCertified: OPSWAT Certified Security Application (Platinum)evidence
2026-10-28Certification addedCertified: OPSWAT Certified Security Application (Gold)evidence
2026-10-28New versionNew version: 26.9 (iOS)evidence
2026-10-28New versionNew version: 26.9.1240618 (Android)evidence
2026-10-28Certification addedCertified: OPSWAT Certified Security Application (Gold)evidence
2026-10-26Certification addedCertified: OPSWAT Certified Security Application (Platinum)evidence
2026-10-25Certification addedCertified: OPSWAT Certified Security Application (Gold)evidence
2026-10-24Certification addedCertified: OPSWAT Certified Security Application (Platinum)evidence
2026-10-23Certification addedCertified: OPSWAT Certified Security Application (Gold)evidence
2026-10-22Certification addedCertified: OPSWAT Certified Security Application (Platinum)evidence
2026-10-21Certification addedCertified: OPSWAT Certified Security Application (Gold)evidence
2026-10-21Test result addedNew AV-Comparatives Performance Test result: Advancedevidence
2026-10-20Certification addedCertified: OPSWAT Certified Security Application (Platinum)evidence
2026-10-19Certification addedCertified: OPSWAT Certified Security Application (Gold)evidence
2026-10-17Certification addedCertified: OPSWAT Certified Security Application (Platinum)evidence
2026-10-16Certification addedCertified: OPSWAT Certified Security Application (Gold)evidence
2026-10-15Certification addedCertified: OPSWAT Certified Security Application (Platinum)evidence
2026-10-15Test result addedNew AV-Comparatives Malware Protection Test result: Advancedevidence
2026-10-14Certification addedCertified: OPSWAT Certified Security Application (Gold)evidence
2026-10-13Certification addedCertified: OPSWAT Certified Security Application (Platinum)evidence
2026-10-12Certification addedCertified: OPSWAT Certified Security Application (Gold)evidence
2026-10-11Certification addedCertified: OPSWAT Certified Security Application (Platinum)evidence
2026-10-10Certification addedCertified: OPSWAT Certified Security Application (Gold)evidence
2026-10-09Certification addedCertified: OPSWAT Certified Security Application (Platinum)evidence
2026-10-08Certification addedCertified: OPSWAT Certified Security Application (Gold)evidence
2026-10-06Certification addedCertified: OPSWAT Certified Security Application (Platinum)evidence
2026-10-05Certification addedCertified: OPSWAT Certified Security Application (Gold)evidence
2026-10-04Certification addedCertified: OPSWAT Certified Security Application (Platinum)evidence
2026-10-03Certification addedCertified: OPSWAT Certified Security Application (Gold)evidence
2026-10-02Certification addedCertified: OPSWAT Certified Security Application (Platinum)evidence
2026-10-01Certification addedCertified: OPSWAT Certified Security Application (Gold)evidence
2026-09-30Certification addedCertified: OPSWAT Certified Security Application (Platinum)evidence
2026-09-29Certification addedCertified: OPSWAT Certified Security Application (Gold)evidence
2026-09-28Certification addedCertified: OPSWAT Certified Security Application (Platinum)evidence
2026-09-28Certification addedCertified: OPSWAT Certified Security Application (Gold)evidence
2026-09-28Certification addedCertified: OPSWAT Certified Security Application (Platinum)evidence
2026-09-28Test result addedNew AV-Comparatives Real-World Protection Test result: Advanced+evidence
2026-09-28Test result addedNew AV-Comparatives Real-World Protection Test result: Advancedevidence
2026-09-28Certification addedCertified: OPSWAT Certified Security Application (Gold)evidence
2026-09-28Certification addedCertified: OPSWAT Certified Security Application (Platinum)evidence

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Malware Detectionkey	native
Ransomware Protectionkey	native
Behavioral Detectionkey	Not known
Web Protectionkey	native
Email Protection	Not known
Host Firewall	Not known
Sandbox Analysis	Not known
Cloud-Assisted Scanning	Not known
Heuristic Detection	Not known
Device Control	Not known
Vulnerability Shielding	Not known
Central Management Console	Not known