Alexandria | VA


Nisos provides cybersecurity and threat defense services, spanning both inside-the-network and outside-the-network engagements.  The Company provides a suite of high-touch “active defense” services that assist enterprises in (i) protecting assets, (ii) informing corporate strategy, and (iii) defending against an evolving threat landscape.


Enterprise Technology

Our Portfolio

Over the past thirty years, Columbia Capital has invested in a portfolio of industry leaders in the communications, media, and enterprise technology industries. Our goal is to build a sector focused portfolio of companies at all stages of growth.