Alter

Executive Summary

Alter (YC S25) is a two-person, 2025-founded startup building zero-trust identity and access control infrastructure for AI agent workflows — a genuinely timely problem as agentic AI proliferates in enterprise environments. The founding team has relevant security domain experience and YC backing provides meaningful credibility for this stage. However, this report is severely constrained by a critical identity ambiguity problem: the name "Alter" is shared by at least four distinct companies — including a Google-acquired avatar startup, a macOS AI assistant, a blockchain messaging app, and this YC-backed security startup — making it impossible to cleanly isolate market data, traction signals, or competitive context to a single entity. The single biggest risk here is not the business itself but the due diligence blind spot created by near-zero public data on the actual company: no verifiable traction metrics, no disclosed financials, no named advisors or angels beyond YC, and a team of two with no prior exits.