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securityupdated: 28 september 2026

end-to-end encryption: why it matters for your messages

e2e encryptionencrypted messagingprivacy

connection encryption, encryption at rest and end-to-end encryption protect different parts of a messaging system. one does not imply the others.

check the scope

look for which message types a security claim covers: text, images and attachments may differ. we do not make a blanket guarantee that every iz content type and image attachment is end-to-end encrypted.

sharing choices on iz

public traces may show profile information. only me restricts access by other users; it does not mean technical access by the service operator is impossible. avoid sharing sensitive information and review the privacy policy. use reporting and blocking for unwanted contact.

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