root9B Holdings, Inc. RTNB

Company Overview

root9B Holdings, Inc. (formerly traded under the ticker RTNB) was a U.S.-based cybersecurity and technology services company focused on advanced cyber operations, incident response, penetration testing, and security consulting for government and commercial customers. The company operated primarily within the cybersecurity, defense technology, and enterprise risk management sectors, with an emphasis on helping organizations defend against sophisticated cyber threats. Public filings and historical investor materials indicate that the company positioned itself as a provider of “white-hat hacker” services and advanced cyber training capabilities.

The company evolved through a series of acquisitions and restructuring initiatives designed to expand its cybersecurity capabilities and federal contracting presence. Historically, root9B sought to differentiate itself through specialized cyber threat hunting, adversary emulation, and security operations expertise. Revenue generation was tied primarily to cybersecurity consulting engagements, managed security services, and government-related contracts. Available public records indicate that the company experienced operational and financial challenges in later years, and current public disclosures regarding active operations are limited. Data inconclusive based on available public sources regarding the company’s present operational scale and corporate status.