Antivirus Software
The Antivirus Software AI-visibility leaderboard ranks 17 brands by how often Perplexity, Gemini (Google), ChatGPT (OpenAI) and Claude (Anthropic) mention and recommend them across a fixed panel of realistic buyer questions, re-measured every monthly cycle. Microsoft Defender currently leads with a global visibility score of 49.8.
Movers
Movement tracking begins with the second measurement run of this industry.
Standings
| # | Brand | Global score | Per model |
|---|---|---|---|
| 1 | Microsoft Defender | 49.8 ±2.8 | |
| 2 | Bitdefender | 47.9 ±2.6 | |
| 3 | Malwarebytes | 39.6 ±2.7 | |
| 4 | Norton | 36.3 ±2.6 | |
| 5 | ESET | 26.9 ±2.6 | |
| 6 | Kaspersky | 25.5 ±2.4 | |
| 7 | Sophos | 23.7 ±2.4 | |
| 8 | Avast | 20.8 ±1.9 | |
| 9 | McAfee | 20.0 ±1.9 | |
| 10 | Webroot | 17.7 ±4.6 | |
| 11 | Intego | 17.6 ±2.5 | |
| 12 | Avira | 17.4 ±2.7 | |
| 13 | TotalAV | 15.4 ±2.9 | |
| 14 | G DATA | 15.3 ±1.4 | |
| 15 | AVG | 13.8 ±1.5 | |
| 16 | F-Secure | 13.5 ±0.8 | |
| 17 | Trend Micro | 12.3 ±1.8 |
What the AIs cite
The domains search-backed assistants relied on when answering this industry's questions (2026-07-13). Getting featured on these is the most direct lever on AI visibility.
| Domain | Answers citing it |
|---|---|
| reddit.com | 281 |
| youtube.com | 211 |
| security.org | 123 |
| pcmag.com | 116 |
| learn.microsoft.com | 73 |
| facebook.com | 58 |
| cnet.com | 52 |
| allaboutcookies.org | 50 |
| avast.com | 47 |
| avg.com | 44 |
Head-to-head: Microsoft Defender vs Bitdefender · Microsoft Defender vs Malwarebytes · Bitdefender vs Malwarebytes
Global score = market-share-weighted blend of per-model visibility scores (0–100). Methodology