Hennge K.K. provides cloud security services worldwide. The company offers HENNGE One IdP Edition, an identity and access management solution that offers single sign-on; HENNGE One E-Mail Security Edition, a solution that prevents ransomware, fraud, and targeted attacks to enterprise, as well as stops sending of E-Mails to unintended accounts; Customers Mail Cloud, a cloud-based email delivery service; and HENNGE Lock provides flexible solutions to OTP. The company was formerly known as HDE, Inc. and changed its name to Hennge K.K. in February 2019. Hennge K.K. was incorporated in 1996 and is headquartered in Tokyo, Japan.