McKinsey’s Lilli AI Hack: What It Signals for AI Governance, Security and Disclosure

McKinsey’s Lilli AI Hack: What It Signals for AI Governance, Security and Disclosure

From Compliance into the Weeds by Tom Fox

March 18, 2026 · 20 min · Episode 458

About this episode

Tom Fox and Matt Kelly discuss the implications of the recent hack of McKinsey's AI tool Lilli and its impact on AI governance and security.

The award winning, Compliance into the Weeds is the only weekly podcast which takes a deep dive into a compliance related topic, literally going into the weeds to more fully explore a subject. Looking for some hard-hitting insights on compliance? Look no further than Compliance into the Weeds! In this episode of Compliance into the Weeds, Tom Fox and Matt Kelly look the recent hack of McKinsey’s AI tool Lilli. Tom and Matt discuss a Financial Times report that a white-hat hacker, Paul Price of one-person firm Code Wall, exploited flaws in McKinsey’s internal AI tool “Lilli” to access millions of internal chat messages, view sensitive client-related file names, and see the model weights used to train the system; McKinsey patched the vulnerabilities after disclosure. They argue the incident highlights emerging AI risks beyond traditional cybersecurity, including AI agents autonomously scouting for targets, the possibility of attackers altering models to change outputs and create hard-to-detect “drift,” and confusion over who inside organizations owns AI security and governance. The episode also explores the messy, inconsistent disclosure landscape for AI-related incidents and urges…

People in this episode

Hosts: Tom Fox, Matt Kelly

Topics covered

  • AI governance
  • cybersecurity
  • compliance
  • AI risks
  • data disclosure

Keywords

  • McKinsey
  • Lilli
  • hack
  • white-hat hacker
  • AI risks
  • model drift
  • disclosure

Mentioned in this episode

Products: Lilli, McKinsey Lilli

Books & works: Compliance into the Weeds, a Davey, Communicator and w3 Award

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