secunet Security Networks AG

Computer and Network SecurityNorth Rhine-westphalia, Germany501-1000 Employees

secunet Security Networks AG is a German cybersecurity company focused on protecting digital infrastructures. It combines product offerings with consulting to safeguard data, applications, and digital identities, particularly in areas with high security requirements such as cloud, IIoT, eGovernment and eHealth. Based in Essen, North Rhine-Westphalia, the firm was founded in 1997 and is listed on the German stock exchange.

Its client base includes federal ministries, more than 20 DAX-listed corporations, and other national and international organizations. In June 2026, secunet announced a collaboration with DCSO and Tenzir to develop a security package for critical sectors designed to detect cyberattacks earlier and halt them more quickly. The company also describes itself as an IT security partner to the Federal Republic of Germany, serving both public sector bodies and private sector customers.

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