Existing investors MassMutual Ventures and GV returned to help cyber risk management service CyberGRX bring its overall funding to $100m.

US-based cyber risk management service provider CyberGRX completed a $40m series D round on Tuesday featuring insurance provider Massachusetts Mutual Life Insurance and internet and technology conglomerate Alphabet.

The round was led by investment firm Iconiq Capital and included AllegisCyber Capital, Bessemer Venture Partners, Blackstone Group, ClearSky, Scale Venture Partners and TenEleven Ventures. The corporates invested through MassMutual Ventures and GV respectively.

CyberGRX has built a cybersecurity software platform called CyberGRX Exchange that manages risk concerned with third-party cybersecurity software.…