WKEY NASDAQ LAES NASDAQ · SEALSQ

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Six companies, one Root of Trust

WISeKey International Holding is the parent; each company sells into its own market.

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NASDAQ WKEY · SIX WIHN

SEALSQ Corp reports separately as a Nasdaq-listed subsidiary.

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Quantum-Resilient PKI

Public Key Infrastructure is the foundation of digital trust, enabling organizations to identify users, devices, machines and applications and to protect their communications. As quantum technologies evolve, existing PKI environments must become crypto-agile and capable of supporting new generations of quantum-resistant algorithms.

WISeKey’s quantum-resilient PKI combines trusted digital identities, certificate lifecycle management and Root of Trust services with support for post-quantum cryptography. It enables organizations to issue, manage, renew and revoke certificates while progressively transitioning from traditional cryptographic algorithms to quantum-resistant alternatives.

The platform can support conventional, hybrid and post-quantum certificate models, allowing organizations to modernize their security architecture while maintaining compatibility with existing systems and regulatory requirements.

A hardware security module mounted in a rack inside a secure data centre.
HARDWARE SECURITY MODULE · KEY CUSTODY

What it covers

Key capabilities include

01

Enterprise and IoT certificate lifecycle management

02

Device, user, application and machine identities

03

Post-quantum and hybrid certificate architectures

04

Automated certificate issuance, renewal and revocation

05

Hardware-backed key generation and secure storage

06

Integration with secure elements, TPMs, HSMs and cloud services

07

Cryptographic inventory and migration support

08

Policy enforcement, monitoring and auditable certificate operations

Commercially, WISeKey’s PKI can be deployed as a managed service, private PKI or dedicated sovereign infrastructure. It supports customers ranging from global manufacturers and telecommunications operators to governments, financial institutions, healthcare providers and critical-infrastructure operators.

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