The Executive AI Brief

The evidence behind your next AI decision.

What changed in enterprise AI, what it means and what to do next, every weekday, backed by live data and real company results.

Every call is graded Act now, Evaluate or Monitor, across the brief, the numbers and the casebook.

Latest calls · · 8 min read

AI Ransomware Warnings and Agent Spending Controls

UK NCSC expects AI-powered ransomware on critical infrastructure by 2028, AI agents bypass spending caps, and Anthropic's S-1 shows $895B in compute deals.

Leaders should fix long-tolerated security gaps, harden agent approvals and tighten AI supplier contracts.

  1. Act nowAI Security. The UK's cyber agency says AI will find and exploit old, tolerated weaknesses at scale within two years; boards of infrastructure operators and their suppliers should fund the fixes now.
  2. EvaluateAI Agents. Research shows agents can defeat approval steps that rely on codes in an inbox they can read; any agent with payment or administrative rights needs approval outside its reach.
  3. MonitorAI Economics. Anthropic's amended filing shows $895 billion in compute commitments against $17 billion of quarterly revenue, a supplier balance sheet that will shape prices and vendor risk.

Read the full briefPrevious: AI-Run Cyberattacks and the AI Spending Test

Where enterprise AI stands · Edition of October 25, 2026

AI is moving from experiment to default.

Leaders should plan for AI in production, disclosed and priced, not piloted.

Read the edition note

The Enterprise AI Casebook

What worked elsewhere, with the receipts.

Real organizations, the result they measured, and how far you can trust it.

  • 16 cases
  • 7 proven
  • 5 promising
  • 4 mixed results
Browse all cases

From the editor · Field Notes

The view from someone who has done it.

Essays, practical articles, quick takes, predictions on the record and the resources I actually use.

All field notes

Essay2 min read

Code was never the bottleneck.

AI is great at building software right. It can't tell you whether you're building the right thing. Why verification and validation are different questions, and why the second matters more now.

On the horizon

Dates to plan for.

Rules that start to apply, and the outlook on what comes next.

  1. European UnionEU AI Act deadline to mark AI-generated content from existing systems
  2. European UnionEU AI Act bans AI-generated non-consensual intimate imagery
  3. California, United StatesCalifornia rules for automated decisionmaking technology apply

How to keep up

A rhythm built for busy leaders.

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