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VisitMimecast Collaboration Threat Protection is a commercial secure collaboration & messaging solution by Mimecast. Silent Circle Silent Phone is a commercial secure collaboration & messaging solution by Silent Circle. Features, integrations, deployment and the company behind each one, side by side.
Secures Microsoft Teams, SharePoint & OneDrive from malware and phishing
Encrypted voice, video, messaging & file transfer app for Android & iOS.
See more solutions in this category, or build a security stack from your picks.
Common questions when comparing Mimecast Collaboration Threat Protection vs Silent Circle Silent Phone for secure collaboration & messaging.
Mimecast Collaboration Threat Protection: Secures Microsoft Teams, SharePoint & OneDrive from malware and phishing, built by Mimecast.
Silent Circle Silent Phone: Encrypted voice, video, messaging & file transfer app for Android & iOS, built by Silent Circle.
The table above shows where their features, integrations, deployment and company size fit differ.
Mimecast Collaboration Threat Protection is made by Mimecast. Silent Circle Silent Phone is made by Silent Circle. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Mimecast Collaboration Threat Protection and Silent Circle Silent Phone are both Secure Collaboration & Messaging products. Use the table above to see where features, deployment and company size fit differ.
No Secure Collaboration & Messaging shortlist yet. This is the closest one.
Updated 2026-11-01
See the shortlist
