Ulyssean PBC is an AI security company founded by Jacob Lagerros that develops integrated hardware and software solutions to secure the clusters where artificial general intelligence will be trained and deployed. The company focuses on protecting AI model weights and verifying the integrity of data centers, with technical capabilities spanning ML, cryptography, FPGAs, formal verification, and side-channel analysis. Backed by angel investors from Anthropic, DeepMind, Meta, and CrowdStrike, Ulyssean's first major project is a design partnership with Fluidstack to construct Security Level 4 facilities hardened against state-sponsored threats.
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Theory of Change
Ulyssean believes AI data centers will become the most important and most targeted locations on Earth, yet their current security posture is inadequate for the AGI era. By building integrated hardware and software security solutions now, before the majority of future AGI compute infrastructure is constructed, Ulyssean aims to embed robust security into the foundation of these critical facilities. Protecting AI model weights from theft by state-sponsored actors and preventing unauthorized data exfiltration from airgapped environments directly reduces the risk of advanced AI capabilities falling into the hands of malicious actors, thereby mitigating catastrophic and existential risks from AI misuse.
Grants Received
from Survival and Flourishing Fund
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Details
- Last Updated
- Apr 2, 2026, 9:50 PM UTC
- Created
- Mar 18, 2026, 11:18 PM UTC