Fundraising Fox

Nisos

Arlington, US · Founded 2015 · Delaware corporation · 102 employees on LinkedIn · 2 known investors

Nisos provides managed intelligence services and an OSINT platform (Ascend) to help organizations address human risk, protect executives and online platforms, monitor threats, and run investigations. Its offerings serve enterprise, legal, and federal customers across areas such as insider threat, third-party intelligence, and employee lifecycle security.

Founders & leadership

Nisos was founded in 2015 by Landon Winkelvoss, Justin Zeefe, and Landon W..

LWLandon Winkelvoss
Landon WinkelvossCo-founder
JZJustin Zeefe
Justin ZeefeCo-founder
LW
Landon W.inFounder
RLRyan LaSalle
Ryan LaSalleinExecutive
DN
David NorthingtonNamed on SEC filing

Board

DL
Dylan LewisBoard director
CSChristopher Steed
Christopher Steedin𝕏Board directorChief Investment Officer and Managing Director at Paladin Capital Group
JBJason Booma
Jason BoomaBoard directorPartner at Columbia Capital
WP
William PhelpsBoard director
PK
Paul KurtzBoard director

Investors · 2

Reported raises · per SEC filings

Form D private placements

$35.1M disclosed across 3 rounds · 2018–2025

$14MraisedJul 2025 · 5 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Ryan LaSalleExecutive Officer, Director
  • Dylan LewisDirector
  • Christopher SteedDirector
  • Landon WinkelvossDirector
  • Jason BoomaDirector
  • William PhelpsDirector
  • Paul KurtzDirector
Offering amount
$14M
Amount sold
$14M
First sale
Jun 2025
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$15MraisedMay 2022 · 5 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Jason BoomaDirector
  • Paul KurtzDirector
  • Justin ZeefeExecutive Officer, Director
  • Christopher SteedDirector
  • Dylan LewisDirector
  • Landon WinkelvossDirector
  • David EtueExecutive Officer, Director
Offering amount
$15M
Amount sold
$15M
First sale
Apr 2022
Incorporated
Corporation, Delaware, 2018
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$6.1MraisedFeb 2019 · 3 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Landon WinkelvossExecutive Officer, Director
  • Jason BoomaDirector
  • Justin ZeefeExecutive Officer, Director
  • David NorthingtonDirector
  • Dylan LewisDirector
Offering amount
$6.1M
Amount sold
$6.1M
Proceeds to insiders
$960.7K
First sale
Nov 2018
Incorporated
Corporation, Delaware, 2018
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Competitors · 9

by search overlap
Netezza106 shared keywordsIBM is a global technology company whose business spans enterprise software (including Red Hat, HashiCorp, and Confluent), IT infrastructure such as mainframes, servers, and storage, and IT consulting services. The company is also investing heavily in quantum computing and AI-based enterprise offerings, including its Lightwell open-source software security clearinghouse and the Anderon quantum wafer foundry.
Crowdstrike103 shared keywordsCrowdStrike provides an AI-native cybersecurity platform that unifies endpoint, identity, cloud, SaaS, and AI protection to detect and stop breaches for enterprise organizations. It combines automated response with human-led security operations including managed detection and response, threat hunting, and security services.
illusive networks88 shared keywordsProofpoint offers a suite of enterprise security and compliance products that protect people, email, cloud apps, and data from human-centric cyber threats using machine learning and AI. Its tools also cover data loss prevention, communications archiving, e-discovery, compliance supervision, identity threat detection, and security awareness training.
ProjectDiscovery87 shared keywordsMimecast provides email security, data loss prevention, cloud archiving, and human risk management products used by organizations to protect communications and data. Its cybersecurity portfolio serves enterprise and channel-partner customers across regions including EMEA and APAC.
Huntress86 shared keywordsHuntress provides enterprise-grade cybersecurity solutions designed for businesses of all sizes, focusing on threat detection and response to protect organizations against hackers.
Exabeam83 shared keywordsExabeam provides a security operations platform that ingests logs and telemetry from multiple point solutions, enriches data with behavioral analytics, and correlates alerts to deliver threat detection and investigation capabilities for security teams. The platform integrates with SIEMs and third-party security tools through open API standards and automation workflows.
Cloudflare Turnstile80 shared keywordsCloudflare provides a global cloud network platform delivering security, performance, and development services through sixty-plus integrated services including SASE, application security, and full-stack development infrastructure.
Palo Alto Networks66 shared keywordsPalo Alto Networks provides cybersecurity platforms and services to protect organizations' digital infrastructure across cloud, network, and security operations. The company serves enterprise organizations, governments, financial institutions, utilities, and healthcare providers globally.
Sentinel One61 shared keywordsSentinelOne provides an AI-powered cybersecurity platform for enterprises that integrates endpoint protection, threat detection, and incident response capabilities. The company serves large enterprises, including many Fortune 500 organizations, to protect against cyber threats at scale.

Companies competing with Nisos for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Frequently asked questions

What does Nisos do?
Nisos provides managed intelligence services and an OSINT platform (Ascend) to help organizations address human risk, protect executives and online platforms, monitor threats, and run investigations. Its offerings serve enterprise, legal, and federal customers across areas such as insider threat, third-party intelligence, and employee lifecycle security.
Who founded Nisos?
Nisos was founded by Landon Winkelvoss, Justin Zeefe, Landon W. in 2015.
Who are Nisos's investors?
Nisos's investors include Columbia Capital, Paladin Capital Group.
How much funding has Nisos raised?
Nisos has disclosed $35.1M raised across 3 rounds.
Where is Nisos headquartered?
Nisos is headquartered in Arlington, US.