99.99% uptime for mission-critical operations
Trusted by governments and Fortune 500 companies
End-to-end encrypted email with zero-knowledge architecture.
Military-grade VPN with no-logs policy and obfuscated servers to bypass censorship.
Zero-knowledge encrypted file storage with client-side encryption keys.
FIDO2-compliant hardware keys and facial recognition for multi-factor authentication.
Dedicated hardware in Swiss/German bunkers with air-gapped backups.
24/7 surveillance of underground markets for leaked credentials.
Machine learning analyzes patterns to prevent zero-day exploits.
"K4Post's encryption prevented a $2M corporate espionage attempt against our law firm."
John D.
General Counsel, Fortune 500
"The only email service our investigative journalists trust for sensitive leaks."
Sarah K.
Editor-in-Chief, The Guardian
"Military-grade security without the usual government backdoors."
Michael R.
Former NSA Cryptanalyst