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§ Private Profile · San Francisco, CA, USA
nCircle Network Security is a technology company.
nCircle Network Security delivers agentless solutions for security risk and compliance management in enterprises. Its platform provides continuous visibility into network vulnerabilities and configuration compliance. This technology enables organizations to assess, manage, and report on security risks across IT infrastructures, facilitating proactive threat protection and regulatory adherence.
Founded in 1998 in San Francisco, California, nCircle arose from the increasing complexities of network security and compliance. John S. Flowers was instrumental from its February 1998 inception, helping define the foundational strategy. The company identified a critical need for efficient methods to pinpoint and remediate security weaknesses across intricate corporate networks.
Enterprise organizations, including businesses and government agencies, utilize nCircle's platform to bolster cybersecurity and simplify audit preparations. The product serves IT security and operations teams maintaining secure, compliant systems. nCircle’s vision focused on continuous security intelligence, offering a real-time cyber risk view, thus promoting robust and adaptive security practices.
nCircle Network Security has raised $51.0M across 4 funding rounds.
nCircle Network Security has raised $51.0M in total across 4 funding rounds.
nCircle Network Security has raised $51.0M across 4 funding rounds. Most recently, it raised $5.0M Series U in May 2007.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| May 1, 2007 | $5M Series U | — | BDC Venture Capital, The Perkins Fund | Announced |
| Mar 1, 2004 | $15M Series U | — | BDC Venture Capital, The Perkins Fund | Announced |
| Oct 1, 2002 | $20M Series C | — | BDC Venture Capital, The Perkins Fund | Announced |
| Aug 1, 2001 | $11M Series B | — | BDC Venture Capital | Announced |
nCircle Network Security was a San Francisco-based cybersecurity company founded in 1998 that developed agentless security risk and compliance management solutions for businesses and government agencies worldwide.[1][2][3] It served over 6,500 enterprises by providing systems to automate compliance, reduce IT security risks, and benchmark performance against internal goals and industry peers, deployable on-premises, in the cloud, or hybrid.[1][2] The company raised $12.57M in venture funding, including a Series C round of $11.3M about 24 years ago from investors like Tripwire, Alta Partners, Headline VC, Menlo Ventures, and JK&B Capital, before being acquired by Tripwire, which integrated its offerings into a broader risk-based security suite.[1][2][4]
Founded in 1998 in San Francisco, California, nCircle emerged during the early internet boom when enterprises faced growing needs for IT security amid rising cyber threats and regulatory demands.[1][2] Specific founders are not detailed in available records, but the company quickly gained traction as a provider of innovative, agentless solutions that addressed compliance automation and risk measurement without heavy software agents.[1][3] Key milestones included serving more than 6,500 global customers, earning awards for growth, innovation, and workplace culture (ranked among top 100 Bay Area workplaces), and securing venture backing from prominent firms like Menlo Ventures and Alta Partners.[1][2][4] A pivotal moment came with its acquisition by Tripwire, enhancing its reach within a larger security portfolio while maintaining product support.[2]
nCircle rode the late-1990s cybersecurity wave, capitalizing on post-internet bubble demands for compliance tools amid regulations like Sarbanes-Oxley and rising data breach risks, positioning it as a leader in vulnerability and risk management.[1][2] Its timing aligned with enterprises shifting to measurable security metrics, influencing the ecosystem by popularizing agentless models that reduced deployment friction and set standards for hybrid cloud security.[2][3] Market forces like expanding global threats and compliance mandates favored its growth, with acquisition by Tripwire amplifying its impact within consolidated security platforms that connect IT controls to business outcomes.[2]
Post-acquisition, nCircle's solutions persist under Tripwire (now part of Fortra), evolving with modern threats like cloud vulnerabilities and AI-driven attacks, potentially expanding into integrated platforms for zero-trust architectures.[2] Trends such as regulatory intensification (e.g., GDPR evolutions, SEC cyber rules) and agentless preferences in hybrid environments will sustain demand, with its legacy benchmarking tools influencing next-gen security analytics. As cybersecurity consolidates, nCircle's foundational role underscores how early innovators like it shaped scalable, performance-driven defenses still critical for enterprises today.[1][2]
nCircle Network Security has raised $51.0M in total across 4 funding rounds.
nCircle Network Security's investors include BDC Venture Capital, The Perkins Fund.