--- title: "Microsoft Defender for Office 365: search popularity worldwide" description: "Microsoft Defender for Office 365 protects email and collaboration tools from phishing and malware. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time." canonical: "https://gobrandwave.com/demand/global-en/brands/microsoft-defender-for-office-365" publisher: "Brandwave" --- # Microsoft Defender for Office 365: search popularity worldwide Microsoft Defender for Office 365 protects email and collaboration tools from phishing and malware. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time. ## Key facts - **Brand**: Microsoft Defender for Office 365 - **Owned by**: Microsoft - **Market**: Global - **Measured month**: Sep 2026 - **Share of Search among email security platforms**: 0.97% ## Where the brand sits | Competitive set | Rank | Share of Search | Estimated monthly branded searches | | --- | --- | --- | --- | | Email security platforms | 8 | 0.97% | 2.4K | - [Email security platforms](/demand/global-en/categories/email-security-platforms) ## Top email security platforms in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Microsoft Defender for Office 365 was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Microsoft Defender for Office 365 is the second most recommended of the eight. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Proofpoint | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Microsoft Defender for Office 365 | 2nd | 3 of 3 | 1 of 2 | 4 of 5 | | Abnormal Security | 3rd | 3 of 3 | 0 of 2 | 3 of 5 | | Mimecast | 4th | 3 of 3 | 2 of 2 | 5 of 5 | | Check Point | 5th | 1 of 3 | 2 of 2 | 3 of 5 | | Barracuda | 6th | 2 of 3 | 2 of 2 | 4 of 5 | | Avanan | 7th | 0 of 3 | 1 of 2 | 1 of 5 | | IRONSCALES | 8th | 1 of 3 | 0 of 2 | 1 of 5 | ## Every AI answer about email security platforms - Asked ChatGPT "Which email security platform should I use?": 1. Microsoft Defender for Office 365, 2. Abnormal Security, 3. Proofpoint, 4. Mimecast, 5. Barracuda - Asked ChatGPT "What are the best email security platforms?": 1. Proofpoint, 2. Microsoft Defender for Office 365, 3. Abnormal Security, 4. Mimecast, 5. Check Point, 6. Barracuda, 7. IRONSCALES - Asked ChatGPT "What's the best email security platform for blocking email threats?": 1. Abnormal Security, 2. Proofpoint, 3. Microsoft Defender for Office 365, 4. Mimecast - Searched Google, AI Overview "email security platform": 1. Proofpoint, 2. Mimecast, 3. Check Point, 4. Barracuda, 5. Microsoft Defender for Office 365 - Searched Google, AI Overview "best email security": 1. Proofpoint, 2. Check Point, 3. Avanan, 4. Mimecast, 5. Barracuda Brands are listed in the order each answer named them. The answers were collected in the United States on October 20, 2026. ## How has branded search demand for Microsoft Defender for Office 365 changed worldwide over the last 12 months? - Across the 12 months ending September 2026, estimated monthly branded searches for Microsoft Defender for Office 365 worldwide fell from 5.4K to 2.4K. - Across the 12 months ending September 2026, Microsoft Defender for Office 365’s share of searches among email security platforms worldwide decreased from 2.1% to 0.97%. - Across the 12 months ending September 2026, Microsoft Defender for Office 365’s share of searches among email security platforms worldwide peaked at 2.4% in November 2025 and was lowest at 0.97% in September 2026. ## How did search popularity change for email security platforms worldwide in September 2026? - In September 2026, Mimecast gained share of searches among email security platforms worldwide, from 39.9% to 44.3%. - In September 2026, Proofpoint lost share of searches among email security platforms worldwide, from 26.7% to 24.4%. - In September 2026, Avanan lost share of searches among email security platforms worldwide, from 14.6% to 13.3%. - Estimated monthly branded searches for Microsoft Defender for Office 365 worldwide fell 55.6% over 12 measured months, from 5.4K to 2.4K in September 2026. - Estimated monthly branded searches for Abnormal Security worldwide fell 45.7% over 12 measured months, from 8.1K to 4.4K in September 2026. - Estimated monthly branded searches for IRONSCALES worldwide fell 18.5% over 12 measured months, from 5.4K to 4.4K in September 2026. ## Historical estimated branded-search demand | Month | Competitive set | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Oct 2025 | Email security platforms | 5.4K | 2.1% | 8 | | Nov 2025 | Email security platforms | 5.4K | 2.4% | 7 | | Dec 2025 | Email security platforms | 3.6K | 1.7% | 8 | | Jan 2026 | Email security platforms | 4.4K | 1.7% | 8 | | Feb 2026 | Email security platforms | 3.6K | 1.6% | 8 | | Mar 2026 | Email security platforms | 5.4K | 2% | 8 | | Apr 2026 | Email security platforms | 5.4K | 2.3% | 8 | | May 2026 | Email security platforms | 4.4K | 1.9% | 8 | | Jun 2026 | Email security platforms | 3.6K | 1.4% | 8 | | Jul 2026 | Email security platforms | 3.6K | 1.6% | 8 | | Aug 2026 | Email security platforms | 2.9K | 1.3% | 8 | | Sep 2026 | Email security platforms | 2.4K | 0.97% | 8 | ## How are Microsoft Defender for Office 365’s branded searches counted? Brandwave collects information about searches that people make online using Microsoft Defender for Office 365’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading. - “microsoft defender for office 365” ## Which email security platforms compete with Microsoft Defender for Office 365? - [Mimecast](/demand/global-en/brands/mimecast) - [Proofpoint](/demand/global-en/brands/proofpoint) - [Avanan](/demand/global-en/brands/avanan): Head-to-head: /demand/global-en/compare/avanan-vs-microsoft-defender-for-office-365 - [Barracuda](/demand/global-en/brands/barracuda-networks): Head-to-head: /demand/global-en/compare/barracuda-networks-vs-microsoft-defender-for-office-365 - [Check Point](/demand/global-en/brands/check-point): Head-to-head: /demand/global-en/compare/check-point-vs-microsoft-defender-for-office-365 - [Abnormal Security](/demand/global-en/brands/abnormal-security): Head-to-head: /demand/global-en/compare/abnormal-security-vs-microsoft-defender-for-office-365 - [IRONSCALES](/demand/global-en/brands/ironscales): Head-to-head: /demand/global-en/compare/ironscales-vs-microsoft-defender-for-office-365 ## Who owns Microsoft Defender for Office 365? Microsoft Defender for Office 365 is owned by Microsoft. Brandwave also tracks Microsoft Copilot, Azure AI Document Intelligence, Azure AI Search, Azure Bicep, Azure Blob Storage, Azure Container Apps, Azure Container Registry, Azure Cosmos DB, Azure Data Factory, Azure DevOps, Azure Machine Learning, Azure Pipelines, Azure Service Bus, Azure Stream Analytics, Bing, Clipchamp, GitHub Actions, GitHub Copilot, LinkedIn, LinkedIn Ads, LinkedIn Recruiter, LinkedIn Sales Navigator, Microsoft 365, Microsoft Advertising, Microsoft Authenticator, Microsoft Azure, Microsoft Bookings, Microsoft Clarity, Microsoft Defender for Cloud, Microsoft Defender Vulnerability Management, Microsoft Designer, Microsoft Dynamics 365, Microsoft Dynamics 365 Business Central, Microsoft Dynamics 365 Supply Chain Management, Microsoft Edge, Microsoft Entra, Microsoft Forms, Microsoft Learn, Microsoft OneNote, Microsoft Outlook, Microsoft Places, Microsoft Planner, Microsoft Power Automate Process Mining, Microsoft Power BI, Microsoft PowerPoint, Microsoft Purview, Microsoft Surface, Microsoft Teams, Microsoft To Do, Microsoft Translator, Microsoft Visio, Microsoft Whiteboard, Minecraft, OneDrive, OneNote, Outlook, Power Automate, SharePoint, Xbox and Xbox Game Pass, owned by the same company, worldwide. - [Microsoft](/demand/global-en/companies/microsoft): Owns 69 tracked brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Who owns Microsoft Defender for Office 365? Microsoft Defender for Office 365 is owned by Microsoft. Brandwave also tracks Microsoft Copilot, Azure AI Document Intelligence, Azure AI Search, Azure Bicep, Azure Blob Storage, Azure Container Apps, Azure Container Registry, Azure Cosmos DB, Azure Data Factory, Azure DevOps, Azure Machine Learning, Azure Pipelines, Azure Service Bus, Azure Stream Analytics, Bing, Clipchamp, GitHub Actions, GitHub Copilot, LinkedIn, LinkedIn Ads, LinkedIn Recruiter, LinkedIn Sales Navigator, Microsoft 365, Microsoft Advertising, Microsoft Authenticator, Microsoft Azure, Microsoft Bookings, Microsoft Clarity, Microsoft Defender for Cloud, Microsoft Defender Vulnerability Management, Microsoft Designer, Microsoft Dynamics 365, Microsoft Dynamics 365 Business Central, Microsoft Dynamics 365 Supply Chain Management, Microsoft Edge, Microsoft Entra, Microsoft Forms, Microsoft Learn, Microsoft OneNote, Microsoft Outlook, Microsoft Places, Microsoft Planner, Microsoft Power Automate Process Mining, Microsoft Power BI, Microsoft PowerPoint, Microsoft Purview, Microsoft Surface, Microsoft Teams, Microsoft To Do, Microsoft Translator, Microsoft Visio, Microsoft Whiteboard, Minecraft, OneDrive, OneNote, Outlook, Power Automate, SharePoint, Xbox and Xbox Game Pass, owned by the same company, worldwide. ## Cite this page Brandwave. "Microsoft Defender for Office 365: search popularity worldwide". https://gobrandwave.com/demand/global-en/brands/microsoft-defender-for-office-365 This page is also available as HTML at https://gobrandwave.com/demand/global-en/brands/microsoft-defender-for-office-365. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.