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14,448 startups · 29 programs

Trident

Active · Autonomous offensive security agents. The best defense is offense

WebsiteYC profile

Why it ranks

How the rank works
8signal of 100 · rising 8
  • went through YCProgram · this site+4
  • team of 4Team size · YC's directory+3.6

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

Competitors

AIMindFortShared: security agent, offensive security, cybersecurityYC X25Los AngelesStartup →AIOblixShared: autonomous offensive, cybersecurity, pentester500 Global 2025United StatesStartup →AIEscapeShared: offensive security, agentYC W23ParisStartup →AICodeAnt AIShared: autonomous offensive, cybersecurity, attackYC W24San FranciscoStartup →AIAntigenShared: offensive security, cybersecurity, attackYC F25San FranciscoStartup →
Companies closest to Trident
Company
MindFortShared: security agent, offensive security, cybersecurityYC X25ActiveAI, Devtools
OblixShared: autonomous offensive, cybersecurity, pentester500 Global 2025Not statedAI
EscapeShared: offensive security, agentYC W23ActiveAI, Devtools
CodeAnt AIShared: autonomous offensive, cybersecurity, attackYC W24 +1ActiveAI, Devtools
AntigenShared: offensive security, cybersecurity, attackYC F25ActiveAI, Devtools

Adjacent

AIPromptArmorShared: cybersecurityYC W24San FranciscoStartup →OtherLupin & HolmesShared: offensive security, chainSeedcamp 2026Startup →AITolmoShared: security agentYC X26San FranciscoStartup →AIGecko SecurityShared: cybersecurity, attack, vulnerabilityYC F24LondonStartup →AIPalisadeShared: cybersecurity, vulnerability, fixesYC S26San FranciscoStartup →
Companies next to Trident
Company
PromptArmorShared: cybersecurityYC W24ActiveAI
Lupin & HolmesShared: offensive security, chainSeedcamp 2026Not statedOther
TolmoShared: security agentYC X26ActiveAI, Devtools
Gecko SecurityShared: cybersecurity, attack, vulnerabilityYC F24ActiveAI
PalisadeShared: cybersecurity, vulnerability, fixesYC S26ActiveAI

Also from S26 in AI

All of S26
AINebuSecAutonomous AI defense system for cyber attackYC S26San FranciscoStartup →AITraceforceCrowdStrike for AI AgentsYC S26San FranciscoStartup →AICautionHosting platform for software you can't afford to have hackedYC S26George TownStartup →AIConiferIntelligent decisions for critical AI operationsYC S26San FranciscoStartup →AIDecaworkTraining company-specific models that approve AI actions.YC S26San FranciscoStartup →AIFabraixThe world's frontier hacker of AI agents.YC S26San FranciscoStartup →
Company
NebuSecAutonomous AI defense system for cyber attackteam of 4ActiveAI
TraceforceCrowdStrike for AI Agentsteam of 2ActiveAI
CautionHosting platform for software you can't afford to have hackedteam of 5ActiveAI, Devtools
ConiferIntelligent decisions for critical AI operationsteam of 4ActiveAI, Devtools
DecaworkTraining company-specific models that approve AI actions.2 programsteam of 2ActiveAI, Devtools
FabraixThe world's frontier hacker of AI agents.team of 2ActiveAI

Founders

  • Junaid MahmoodFounder/CEO
  • Dekai LiFounder/CTO

About Trident

Trident is the standard for modern day security. its an agentic pentester that chains vulnerabilities together like a real attacker mapping verified attack paths across AWS, Azure, GCP, web apps, and APIs. Run AI attacks and get fixes. Get started today: tridentsecurity.io

YC batch
S26 · Summer 2026
Status, per YC
Active
Category
AI
Team size
4
Location
San Francisco, CA, USA
Founded
2025
Checked
6h ago

YC tags: Security, Cybersecurity, AI

Trident in S26: 229 companies, 88% AI

LinkedIn

Trident: questions

Which YC batch was Trident in?

Trident was in Y Combinator's Summer 2026 batch (S26).

Is Trident still active?

Y Combinator lists Trident as active.

Who founded Trident?

Trident's founders, as listed on its YC page: Junaid Mahmood (Founder/CEO), Dekai Li (Founder/CTO).

Where is Trident based?

Trident lists San Francisco, CA, USA as its location on YC's directory.