Bitdefender Announces Investment from Growth Capital Investor Vitruvian Partners - Values Business at over $600m BUCHAREST, Romania and SANTA CLARA, California, December 1, 2017-- Bitdefender Holding B.V. ("Bitdefender" or "the Company"), a leading global cybersecurity technology company protecting 500 million users worldwide, announces that Vitruvian Partners, the independent European private equity firm, has acquired a significant minority stake of approximately 30% in the Company from existing shareholder Axxess Capital, which values the business at over $600 million. The investment comes on the back of significant expansion of Bitdefender's global operations and product offering.