WISeKey International Holding Ltd. is a cybersecurity company, which engages in offering digital security technology solutions. The firm operates through the Internet of Things (IoT), and Managed Public Key Infrastructure (mPKI) segments. The IoT segment refers to the design, manufacturing, sales and distribution of microprocessors operations. The mPKI segment includes all operations relating to the provision of secured access keys, authentication, signing software, certificates and digital security applications. The company was founded by Joao Carlos Creus Moreira and Philippe Doubre in 1999 and is headquartered in Zug, Switzerland.