WISeKey International Holding AG, a cybersecurity company, provides integrated security solutions worldwide. The company operates through IoT and Managed Public Key Infrastructure (mPKI) segments. It offers microcontrollers that provides identity to various connected devices; and mPKI that includes digital identity, certificate management and signing solutions, and trust services, as well as offers digital certificates; software as a service, including cloud-based certificate life-cycle-management, signing, and authentication solutions; software licenses; post-contract customer support for cybersecurity applications; and infrastructure hosting and monitoring services. The company also develops, markets, hosts, and supports a range of solutions that enable secure digital identification of people, content, and objects by generating digital identities through its products and services in cybersecurity services, internet of things, digital brand management, and mobile security that enable clients to monetize its existing user bases, as well as expand its eco-system. In addition, it engages in financing, sales, and distribution activities; and sells semiconductors secure chips. The company was founded in 1999 and is headquartered in Zug, Switzerland.