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14,448 startups · 29 programs

ContraForce

Active · Security Delivery Platform to orchestrate AI agents for Service…

WebsiteYC profile

Why it ranks

How the rank works
10signal of 100 · rising 2
  • team of 15Team size · YC's directory+6.2
  • went through YCProgram · this site+4

A sum of public facts, not a judgement and not investment advice.

Competitors

AIInactiveSublime BlackShared: incident response, securityYC W19Startup →AIClearly AIShared: automate securityYC S24SeattleStartup →AIwinfuncShared: security engineering, agent, automateYC S24San FranciscoStartup →AIRootlyShared: incident response, securityYC S21San FranciscoStartup →AIAsymmetric SecurityShared: incident response, agent, automateEF 2025LondonStartup →
Companies closest to ContraForce
Company
Sublime BlackShared: incident response, securityYC W19InactiveAI
Clearly AIShared: automate securityYC S24ActiveAI
winfuncShared: security engineering, agent, automateYC S24ActiveAI
RootlyShared: incident response, securityYC S21ActiveAI, Devtools
Asymmetric SecurityShared: incident response, agent, automateEF 2025Not statedAI

Adjacent

AIPromptArmorShared: securityYC W24San FranciscoStartup →OtherSurfboardShared: orchestrateSeedcamp 2020Startup →AIAsymptote LabsShared: security, responseSPC 2025New YorkStartup →AIRelvy AIShared: incident response, investigationYC F24San FranciscoStartup →OtherInactivePatchwork SecurityShared: securityYC W16San FranciscoStartup →
Companies next to ContraForce
Company
PromptArmorShared: securityYC W24ActiveAI
SurfboardShared: orchestrateSeedcamp 2020Not statedOther
Asymptote LabsShared: security, responseSPC 2025Not statedAI
Relvy AIShared: incident response, investigationYC F24ActiveAI, Devtools
Patchwork SecurityShared: securityYC W16InactiveOther

Also from S21 in AI

All of S21
AIidemeumAI-powered Application ControlYC S21San FranciscoStartup →AIInactiveSquire.aiNever code alone.YC S21San FranciscoStartup →AIAbstraAutomate finance operations with AIYC S21São PauloStartup →AIAdaptyvWe're building fully automated labs for protein engineeringYC S21LausanneStartup →AIAdniThe career network for healthcare workersYC S21San FranciscoStartup →AIAdravisionAutomation for dental clinics and insurance companies.YC S21SingaporeStartup →
Company
idemeumAI-powered Application Controlteam of 10ActiveAI
Squire.aiNever code alone.team of 8InactiveAI, Devtools
AbstraAutomate finance operations with AIteam of 18ActiveAI, Devtools
AdaptyvWe're building fully automated labs for protein engineeringteam of 25hiringActiveAI
AdniThe career network for healthcare workersteam of 5ActiveAI
AdravisionAutomation for dental clinics and insurance companies.team of 8ActiveAI

About ContraForce

ContraForce delivers a first-of-its-kind Security Delivery Platform that automates security engineering, AI-operator workflows, and multi-tenant incident response for Service Providers and Teams. Our platform orchestrates supervised or autonomous AI agents to run triage, investigation, response, and documentation at scale.

YC batch
S21 · Summer 2021
Status, per YC
Active
Category
AI
Team size
15
Location
McKinney, TX, USA; Remote
Checked
7h ago

YC tags: SaaS, Security, AI

ContraForce in S21: 391 companies, 34% AI

ContraForce: questions

Which YC batch was ContraForce in?

ContraForce was in Y Combinator's Summer 2021 batch (S21).

Is ContraForce still active?

Y Combinator lists ContraForce as active.

Where is ContraForce based?

ContraForce lists McKinney, TX, USA; Remote as its location on YC's directory.