Avira Operations GmbH & Co. KG is a German multinational security software company mainly known for their antivirus software Avira Internet Security. Avira was founded in 2006, but the anti virus application is under active development since 1986 through its predecessor company H+BEDV Datentechnik GmbH. As of 2012, Avira software is estimated to have over 100 million customers. In June 2012, Avira ranked sixth in the antivirus market share report from OPSWAT . Avira's headquarters are located near Lake Constance, in Tettnang, Germany. The company has additional offices in the USA, China, Romania, and the Netherlands. The company supports the Auerbach Stiftung, a foundation created by the company's founder, Tjark Auerbach. It promotes charitable and social projects, the arts, culture and science.