Secure Messaging not tied to utilities.

Nuntius Arcanus enables secure group and individual communications with end-to-end encryption and zero-knowledge protection, ensuring maximum privacy for your conversations.

It is the ideal tool to enhance information security during Due Diligence and M&A (Mergers and Acquisitions) operations.

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Secure Messaging

Key Features

End-to-End Encryption

Advanced protection with AES-256 Galois/Counter Mode (GCM) and ChaCha20 to ensure maximum security for your communications.

Zero Knowledge

No plain text data on servers. Only you and your recipients can access the contents.

Secure Sharing

Share files up to 100MB with automatic encryption and protected previews.

Security Technologies

AES-256-GCM

AES-256 is considered to be quantum attack resistant.

HKDF (HMAC-based Key Derivation Function)

Generates multiple different cryptographic keys from a single master key with random nonce to encrypt data.

HTTPS/TLS

Only certified secure connections

Zero Storage mode

No sensitive data stored

Secure Master Passwords

Chats protected by master password with a minimum 128 bit entropy

Advanced Features

Secure Voice Messages

Record and send voice messages with automatic encryption for quick and secure communications.

Protected Previews

Securely view previews of images, documents, and videos without saving the files in plain format. You can choose whether to save them or restrict access to viewing only, preventing local saving.

Deletion of chats also on the server

The creator of the chat can delete it from the server, and the associated files, even if encrypted, will be overwritten 11 times with different data patterns before being permanently removed.

Flexible Modes

Choose between standard zero-knowledge mode or protected local storage based on your needs.

Nuntius Arcanus

is a secure messaging platform that ensures confidentiality and anonymity, eliminates all traces of both client-side and server-side communications through automated secure data overwriting and erasure mechanisms.