F-Secure vs Microsoft Defender
AI visibility head-to-head, Antivirus Software — run #89 (2026-08-01). Microsoft Defender leads with statistical confidence (non-overlapping 95% CIs).
vs
Microsoft Defender · leads
48.3
95% CI45.5–50.6
Industry rank#1
openai49.5
anthropic46.8
google47.3
perplexity38.1
By question type
Share of answers mentioning each brand, split by the intent behind the question. The panel asks 10 prompts of each type, so a lead here shows where one brand wins — not just that it wins overall.
| Question type | F-Secure | Microsoft Defender |
|---|---|---|
| Recommendations “What's the best option for me?” | 1% | 48% |
| Comparisons “How do the top options stack up?” | 10% | 18% |
| Ready to buy “Which one should I actually get?” | 0% | 45% |
| Problem-solving “I have this problem — what fixes it?” | 0% | 56% |
| Informational “How does this kind of product work?” | 0% | 50% |
Bold marks the higher point estimate; the headline verdict above uses non-overlapping confidence intervals. Methodology
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