Dell, TenEleven and Capital One-backed Cylance now has $177m in its coffers following a series D round co-led by Blackstone and Insight Venture Partners.

US-based cybersecurity technology producer Cylance, backed by computer company Dell, financial services firm Capital One and healthcare software developer TenEleven, raised $100m yesterday in a series D round.

The amount represents a first close, though Cylance has not revealed a final target size.

The round was co-led by Blackstone Opportunities Fund and Insight Venture Partners. Existing, unnamed backers also returned.

Dell Ventures, Capital One Ventures and TenEleven Ventures previously contributed to a $42m series C round in July 2015,…