Letro application shown on an iphone mockup

Trust Center

How to report a security vulnerability in letro.com or the Letro applications, and what you can expect from us.

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Letro is encrypted and evidential. Here is how those two properties fit together.

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Where Letro data lives, who operates it, and how each deployment tier changes the answer.

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Letro is built as a Proof-of-Service / Digital Registered Delivery platform.

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How Letro detects, contains and resolves security incidents, and how customers are notified.

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The third parties that process data for the Letro platform, website and sales process — who they are, what they handle, where, and under which safeguard.

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Matrix end-to-end encryption with Olm/Megolm, TLS 1.3 transport, device verification — and what the homeserver can and cannot see.

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Sprechen wir über Ihr Bereitstellungsmodell

Ob Standard-Rollout, private Infrastruktur oder strengere Anforderungen an Datenstandort und Isolation – Letro gibt Ihnen eine verifizierte, beweisfähige Grundlage für sichere Kundenkommunikation.