NEWCaplight raises a $16M Series A, led by BlackRock and Fin Capital →
Skip to main content
Caplight Logo









UnderDefense

UnderDefense

Private
New York City, New YorkCybersecurityhttps://underdefense.com/

Company Overview

UnderDefense is a cybersecurity company that provides managed detection and response (MDR), penetration testing, incident response, and compliance automation services.

Sector

Cybersecurity

Verticals

Cloud Security, Compliance & Risk, Incident Response, Vulnerability Management, Threat Intelligence

Business Model

B2B

Customer Profile

Subscription SaaS, Services & Consulting

AI Layer

Application

Keywords

managed detection and responseMDRsecurity operations centerSOCvirtual CISOvCISOpenetration testingcompliance automationcybersecurity as a serviceSECaaSincident responsevulnerability assessmentthreat huntingAI SOCagentic AIsecurity monitoringmanaged security servicesAI agent security

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

UnderDefense Comparables

Compare UnderDefense with similar companies based on industry and business-model similarity.

UnderDefense comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
CyberSecOp
88%
Gradient Cyber
87%
Binary Defense
87%

UnderDefense Funding Rounds

Historical fundraising activity

View Full Funding History

Access detailed round history, amounts raised, valuations, and investors.

Key People

Founding team and executive leadership

Nazar Tymoshyk

CEO

Executive Team

Market signals

Structured signals derived from secondary market and firmographic data.

  • Feb 21, 2026

    Grew 18% QoQ, from 116 to 137 employees.

  • May 3, 2025

    Monthly visitors grew 67% MoM, reaching 23K.

UnderDefense Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation

UnderDefense Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about UnderDefense's valuation, stock price, and market status.

Firmographic Details

HeadquartersNew York City, New York
Employee Range140
Year Founded2017
Last Funding

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.