Secure dead-man switch
Lockiso
Upload critical files or private notes, confirm you are active on your schedule, and release selected documents to trusted recipients if confirmations stop.
Upload
Store PDF, PNG, JPG, or text records in private AWS storage.
Confirm
Receive scheduled confirmation requests by email and in the dashboard.
Release
Trusted recipients verify by email OTP before accessing released files.
Built on AWS security primitives
Cognito authentication, private S3 with SSE-KMS, KMS-encrypted metadata, DynamoDB state, SES email delivery, and short-lived recipient access sessions.