G Data CyberDefense AG (until September 2019 G Data Software AG) is a German software company that focuses on computer security. The company was founded in 1985 and is headquartered in Bochum. They are known for being the creators of the world's first antivirus software. G Data use multiple scanning engines; one is developed in-house and the other is the Bitdefender engine. G Data provides several security products that are targeted at home and business markets. The company has a North American subsidiary located in Newark, Delaware.