What Is a Digital Deadman Switch?
A digital deadman switch is a mechanism that automatically performs an action — such as sending files, messages, or credentials — if you fail to check in within a specified timeframe. Originally derived from physical safety devices used in trains and industrial machinery, the concept has been adapted for the digital age to protect your most important information.
How Does It Work?
The process is straightforward:
- Set up your vault — Upload files, write messages, and designate recipients.
- Choose a timer — Select a check-in interval (1 hour to 1 month).
- Check in regularly — Reset your timer before it expires.
- Automatic delivery — If you miss a check-in, your vault contents are automatically sent to your chosen recipients.
Why You Need a Digital Deadman Switch
Life is unpredictable. Whether you're a journalist working in dangerous areas, a business owner with critical passwords, or simply someone who wants to ensure loved ones receive important messages — a digital deadman switch provides peace of mind.
Common Use Cases
- Emergency contacts — Automatically notify family if you don't check in from a trip.
- Password vaults — Share login credentials with a trusted person only when needed.
- Legal documents — Ensure wills, insurance policies, and legal documents reach the right people.
- Business continuity — Pass on critical business information to partners or successors.
- Personal messages — Send heartfelt letters to loved ones at the right moment.
Security Matters
Not all deadman switches are created equal. My Signal Vault uses AES-256-GCM encryption — the same standard used by governments and military organizations — to protect your data at rest and in transit. Your files are encrypted before they ever leave your device, ensuring true zero-knowledge security.
Get Started Today
Setting up your first vault takes less than 5 minutes. Create a free account, upload your files, set your timer, and rest easy knowing your important information will reach the right people at the right time.