Cybersecurity software developer Pwnie Express has secured $12.9m in an Ascent Venture Partners-led series B round that included MassMutual Ventures.

US-based cyber threat detection technology developer Pwnie Express has raised $12.9m in a series B round featuring MassMutual Ventures, the corporate venturing subsidiary of insurance group Massachusetts Mutual Life Insurance.

Ascent Venture Partners led the round, which included venture capital firms .406 Ventures and Fairhaven Capital, and public benefit corporation Vermont Center for Emerging Technologies (VCET).

Pwnie Express has built a software platform called Pulse that can detect, identify and classify cyber threats on wireless, wired and Bluetooth devices. It…