Secure upload · Signed in

Send us files and credentials, sealed

Everything you add here is encrypted in this browser with SC Signal's public key before it leaves your device. We store only the sealed result, and only SC Signal holds the key that opens it.

Channel
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Identity
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Recipient key
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Cipher suite
ECDH P-384 · HKDF-SHA-384 · AES-256-GCM
1 Your details
2 Files
    3 Credentials (optional)

    Where you can, send temporary credentials or a dedicated account, and change them once our work is done. Never paste them into email or chat.

    4 Note for our team (optional)
    Not for CUI or ITAR

    Do not upload Controlled Unclassified Information (CUI), ITAR- or EAR-controlled technical data, or classified information. This service is not authorized for it. If your work involves that kind of information, ask your SC Signal contact for an approved transfer method.

    Add at least one file or credential.

    By sending, you agree to the Terms of Use. The Privacy Policy explains what we record.

    Sealed uploads are kept for 30 days, then deleted. Key fingerprint: . Confirm it with your SC Signal contact if you need to. How the encryption works