AI Software Index · August 2026

Best email security software according to AI

80 real buyer questions, asked on the live ChatGPT and Gemini apps. Filter the leaderboard by engine, buyer type, and region.

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

EngineRegion
Buyer

Mention rate = share of 80 answers naming the brand. Top pick = share where it was the first recommendation.

#BrandMentionedTop pick
1Microsoft 36599%
43%
2Google Workspace99%
16%
3Microsoft Defender for Office 36583%
8%
4Proofpoint81%
13%
5Barracuda60%
8%
6Mimecast59%
0%
7Check Point Harmony Email50%
1%
8IRONSCALES36%
0%
9Abnormal Security33%
4%
10Expert Insights29%
0%
Citations

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. 1.kaseya.com27
  2. 2.expertinsights.com22
  3. 3.proofpoint.com18
  4. 4.barracuda.com16
  5. 5.reddit.com15
  6. 6.learn.g2.com14
  7. 7.huntress.com14
  8. 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 brand

Methodology: 80 structured buyer prompts (generic, audience-framed, US/UK-localized) run on the real ChatGPT (gpt-5.5) and Gemini web apps, August 2026. “Top pick” = first brand recommended in the answer. Part of the GetIntel AI Software Index.

AI is already recommending someone for email security software.

GetIntel tracks whether it's you — daily, across five engines — and ships the fixes through your own coding agent.