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Caution
YC S26George Town, KY · Founded 2025 · 5 employees · 3 known investors
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Caution is a verifiable confidential compute platform that deploys sensitive workloads to secure enclaves and provides cryptographic proof that production code matches the reviewed source, build, and configuration. It currently runs on AWS Nitro Enclaves and serves high-assurance workloads such as AI model serving, healthcare data, key management, and blockchain node operation.
Also known as Caution SEZC
Cloud ComputingCybersecurityData & InfrastructureDeveloper ToolsEnterprise SoftwareInfrastructureCayman IslandsLatin AmericaPartly Remote
Founders & leadership· Y Combinator alumni (S26)
Caution was founded in 2025 by Ksenia Lesko, Anton Livaja, and Lance Vick.
KL
Ksenia LeskoCo-Founder & COO/CMOCo-founder of Caution, where she leads business and product for a platform that runs sensitive workloads in secure enclaves with cryptographic proof of the code running in production. She previously handled strategy and operations at Distrust and led customer education and activation at Ada.
AL
Anton LivajaCEO and Co-FounderAnton Livaja is co-founder and CEO of Caution (YC S26), which offers a platform for running sensitive workloads in secure enclaves and cryptographically verifying the code running in production. He previously co-founded Distrust, securing systems for hedge funds, custodians, and critical infrastructure, and works in confidential computing, supply chain security, and applied cryptography.
LV
Lance VickCEO and Co-FounderLance Vick is the founder and lead security architect at Caution, a verifiable confidential compute platform that runs sensitive workloads in secure enclaves. He previously led security at Turnkey, BitGo, Unit 410, and Pebble, founded the Stagex Linux distribution, and has expertise in Linux hardening, security auditing, cryptographic key management, HSMs, and supply chain security.
Investors · 3
Y Combinatorlisted by Y CombinatorSan Francisco · $500K
How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us
Commit CapitalreportedSan Francisco
How we know: Y Combinator's founder network · Not right? Tell us
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Legal entities · 1
corporate structureCaution SEZC
In the news
Frequently asked questions
- What does Caution do?
- Caution is a verifiable confidential compute platform that deploys sensitive workloads to secure enclaves and provides cryptographic proof that production code matches the reviewed source, build, and configuration. It currently runs on AWS Nitro Enclaves and serves high-assurance workloads such as AI model serving, healthcare data, key management, and blockchain node operation.
- Who founded Caution?
- Caution was founded by Ksenia Lesko, Anton Livaja, Lance Vick in 2025.
- Who are Caution's investors?
- Caution's investors include Vela Partners, Y Combinator, Commit Capital.
- Where is Caution headquartered?
- Caution is headquartered in George Town, KY.