The company introduced its first computer security product Anti-Virus Kit (AVK) in 1988 for Atari ST.[6] In 1990, this program was given a graphical user interface for MS-DOS for the first time.

Beside focus on the security market, G Data also created software for voice recognition (Invox)[7] and speech synthesis (Logox).

[10] In the 2000s, the company expanded significantly, entering markets in various countries and opening a Japanese branch in Tokyo in 2004.

In September 2015, G Data launched a new messaging app called Secure Chat which used the Signal Protocol.

[16] In 2021, G Data received the European Cyber Security Organization seal of quality “Cybersecurity Made in Europe”.