Tenable Raises $250 Million in Record Cyber Funding Round

Privately held software maker Tenable Network Security Inc said on Tuesday it is raising $250 million in venture capital funding, a record-sized round for a cyber security firm. Proceeds from the Series B round, which was led by Insight Venture Partners and existing investor Accel, will be used to fund product development, international expansion and marketing, said Chief Executive Ron Gula.