LogRhythm, a US-based online threat defense, detection and response technology provider, has raised $15m for its series D round from a consortium including Germany-based industrial conglomerate Siemens’ corporate venturing unit.

Siemens Venture Capital led LogRhythm’s D round and was joined by venture capital firms Adams Street Partners, Grotech Ventures and the Colorado Fund.

Ralf Schnell, chief executive of Siemens Venture Capital, which is part of Siemens Financial Services and has invested more than €800m ($1bn) in over 150 companies and 40 venture…