Best email security software according to AI
On 6 August 2026, across 80 buyer questions asked on ChatGPT and Gemini, the three brands AI named most for email security software were Microsoft 365 (in 99% of answers), Google Workspace (99%) and Microsoft Defender for Office 365 (83%).
Last measured: 6 August 2026 · 80 buyer questions · ChatGPT and Gemini
Microsoft 365 is the answer AI gives most often. It was the first recommendation in 43% of the 80 answers we collected.
A high win rate for this category: the answer stays fairly stable however you phrase the question.
The leaderboard
Mention rate = share of 80 answers naming the brand. Top pick = share where it was the first recommendation.
| # | Brand | Mentioned | Top pick | |
|---|---|---|---|---|
| 1 | 99% | 43% | ||
| 2 | 99% | 16% | ||
| 3 | 83% | 8% | ||
| 4 | 81% | 13% | ||
| 5 | Barracuda | 60% | 8% | |
| 6 | 59% | 0% | ||
| 7 | Check Point Harmony Email | 50% | 1% | |
| 8 | 36% | 0% | ||
| 9 | 33% | 4% | ||
| 10 | 29% | 0% |
The sources behind the answers
Which domains ChatGPT and Gemini cite when recommending email security software, and which ones move the outcome.
Most-cited domains
- 1.
kaseya.com27
- 2.
expertinsights.com22
- 3.
proofpoint.com18
- 4.
barracuda.com16
- 5.
reddit.com15
- 6.
learn.g2.com14
- 7.
huntress.com14
- 8.
sublime.security12
Is AI recommending you?
Look up any of 1,800+ brands from this study: mention rate, top-pick rate, and which sources carry them.
Look up your brandMethodology: 80 structured buyer prompts (generic, audience-framed, US/UK-localized) run on the real ChatGPT (gpt-5.5) and Gemini web apps, measured 6 August 2026. “Top pick” = first brand recommended in the answer. Strings the extractor captured that are not products, such as follow-up questions and feature names, are removed, and duplicate names for one product are merged. Part of the GetIntel AI Software Index.
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