# Attic M365 FREE vs GoSecure Titan® Inbox Detection & Response (IDR): side-by-side comparison (2026) [Attic M365 FREE](https://cybersectools.com/tools/attic-free) is a commercial [Anti-Phishing](https://cybersectools.com/categories/anti-phishing) solution by [Attic Security](https://cybersectools.com/companies/attic-security). [GoSecure Titan® Inbox Detection & Response (IDR)](https://cybersectools.com/tools/gosecure-titanr-inbox-detection-and-response-idr) is a commercial [Anti-Phishing](https://cybersectools.com/categories/anti-phishing) solution by [GoSecure](https://cybersectools.com/companies/gosecure). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | Attic M365 FREE | GoSecure Titan® Inbox Detection & Response (IDR) | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Anti-Phishing | Anti-Phishing | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | Startup, SMB | SMB, Mid-Market, Enterprise | | Company | Attic Security | GoSecure | | Headquarters | – | – | ### Use cases and capabilities | | Attic M365 FREE | GoSecure Titan® Inbox Detection & Response (IDR) | |---|---|---| | Microsoft | Yes | – | | Office 365 | Yes | Yes | | Browser Security | Yes | – | ### Core features **Attic M365 FREE** 9 features listed. Sign in on the page to see them. **GoSecure Titan® Inbox Detection & Response (IDR)** 10 features listed. Sign in on the page to see them. ### Integrations **Attic M365 FREE** 1 integration listed. Sign in on the page to see them. **GoSecure Titan® Inbox Detection & Response (IDR)** 2 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Attic M365 FREE](https://cybersectools.com/tools/attic-free) fits if you are a startup. - [GoSecure Titan® Inbox Detection & Response (IDR)](https://cybersectools.com/tools/gosecure-titanr-inbox-detection-and-response-idr) fits if you are a mid-market company or an enterprise. ## Attic M365 FREE vs GoSecure Titan® Inbox Detection & Response (IDR) FAQ Common questions when comparing Attic M365 FREE vs GoSecure Titan® Inbox Detection & Response (IDR) for Anti-Phishing. ### What is the difference between Attic M365 FREE and GoSecure Titan® Inbox Detection & Response (IDR)? **Attic M365 FREE**: Protects Microsoft 365 users from phishing attacks using fake login pages, built by Attic Security. **GoSecure Titan® Inbox Detection & Response (IDR)**: Email security service for analyzing suspicious emails reported by users, built by GoSecure. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Attic M365 FREE and GoSecure Titan® Inbox Detection & Response (IDR)? **Attic M365 FREE** is made by Attic Security. **GoSecure Titan® Inbox Detection & Response (IDR)** is made by GoSecure. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Attic M365 FREE a good alternative to GoSecure Titan® Inbox Detection & Response (IDR)? Often, yes. Attic M365 FREE and GoSecure Titan® Inbox Detection & Response (IDR) are both Anti-Phishing products, and both cover Office 365. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Attic M365 FREE vs Guardio Safe Browsing](https://cybersectools.com/compare/attic-free-vs-guardio-safe-browsing) - [Attic M365 FREE vs Identity Automation PhishID](https://cybersectools.com/compare/attic-free-vs-identity-automation-phishid) - [Attic M365 FREE vs IronVest InboxGuard](https://cybersectools.com/compare/attic-free-vs-ironvest-inboxguard) - [GoSecure Titan® Inbox Detection & Response (IDR) vs Guardio Safe Browsing](https://cybersectools.com/compare/gosecure-titanr-inbox-detection-and-response-idr-vs-guardio-safe-browsing) - [GoSecure Titan® Inbox Detection & Response (IDR) vs Identity Automation PhishID](https://cybersectools.com/compare/gosecure-titanr-inbox-detection-and-response-idr-vs-identity-automation-phishid) - [GoSecure Titan® Inbox Detection & Response (IDR) vs IronVest InboxGuard](https://cybersectools.com/compare/gosecure-titanr-inbox-detection-and-response-idr-vs-ironvest-inboxguard) ## Alternatives to each - [See all Attic M365 FREE alternatives](https://cybersectools.com/alternatives/attic-free) - [See all GoSecure Titan® Inbox Detection & Response (IDR) alternatives](https://cybersectools.com/alternatives/gosecure-titanr-inbox-detection-and-response-idr) --- Source: https://cybersectools.com/compare/attic-free-vs-gosecure-titanr-inbox-detection-and-response-idr For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/attic-free.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Attic M365 FREE and GoSecure Titan® Inbox Detection & Response (IDR): funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md