Who is SEALSQ?
SEALSQ is a semiconductor and security technology company that provides hardware-based cybersecurity, secure semiconductors, and Public Key Infrastructure (PKI) services for connected devices and digital services.
- Secure semiconductors and microcontrollers for Internet of Things (IoT), automotive, and industrial devices (hardware security)
- Secure elements and hardware roots of trust for device identity and credential protection (device security)
- PKI, digital certificates, and credential management services for connected ecosystems (identity and access management)
- SLM for IoT devices, including provisioning and update enablement (device lifecycle security)
- Compliance-focused security solutions addressing standards in areas such as IoT, payments, and critical infrastructure (regulatory and compliance support)
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More About SEALSQ
SEALSQ operates in the hardware-based cybersecurity and secure semiconductor market, focusing on securing connected devices and digital services for enterprises, device manufacturers, and service providers. Its portfolio centers on secure elements, secure microcontrollers, and related trust services that provide cryptographic functions, tamper-resistant key storage, and strong device identity. These components are relevant in IoT deployments, payment systems, industrial control, and automotive electronics where hardware-enforced security and standards compliance are required.
The company’s secure semiconductors and microcontrollers (hardware security) typically integrate cryptographic engines, SKS, and secure execution environments that support protocols such as TLS/DTLS, asymmetric and symmetric cryptography, and digital signatures. In enterprise and Original Equipment Manufacturer (OEM) contexts, these devices serve as hardware roots of trust, anchoring secure boot, firmware validation, and mutual authentication for endpoints. This is used in architectures that separate general-purpose processing from security-critical operations, reducing exposure of private keys and credentials.
SEALSQ complements its hardware products with PKI and credential management services (identity and access management). These services issue, manage, and validate digital certificates that bind device identities to cryptographic keys stored in secure elements. For enterprises, this enables device onboarding, authentication to back-end services, and encrypted communication channels across heterogeneous IoT fleets and embedded systems. The combination of secure hardware and managed PKI supports zero-trust-aligned architectures in which each device proves identity before gaining access to networks or cloud services.
In many deployments, SEALSQ offerings are used in conjunction with cloud IoT platforms, gateways, and edge computing frameworks. The secure elements and microcontrollers act as trust anchors at the device layer, while PKI and lifecycle services integrate with device management platforms and Security Operations (SecOps) processes. This positions SEALSQ in marketplace categories such as hardware security modules at the device level, embedded security for IoT, and managed device identity services for connected products.
From a compliance and regulatory standpoint, SEALSQ addresses use cases where adherence to security standards and certifications is necessary, such as payment applications, smart metering, industrial automation, and critical infrastructure. By providing hardware-based key storage and standards-aligned cryptographic capabilities, its technology is used to help customers meet requirements around secure authentication, data confidentiality, and integrity. Directory and taxonomy placement for SEALSQ aligns with secure semiconductors (hardware security), IoT security (device and identity security), and PKI-based trust services (identity and access management) for embedded and connected systems.
Our description of SEALSQ. Updated December 2025.
