The Den Reviewthe briefing for executives who run AI
Wednesday, November 11, 2026

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AI Estate · AI Security

Attackers Hijacked Companies' AI Access and Ran Up Bills as High as $1 Million, Mandiant Says

Some bills topped $100,000 in a day. Resold access runs about $60 a month.

· 2 min read

Mandiant and Google Threat Intelligence Group traced the hijackings to stolen cloud credentials and exposed keys, and found the stolen access resold to underground subscribers through gateways built for the purpose.

Hijacked AI access can produce a spike in fraudulent charges within hours, unlike cryptojacking, which drains resources slowly. A company's AI budget assumes spending follows its own usage; here it follows whoever holds the key, and the charges can pile up before the compromise is detected.

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Photograph: AI-generated

AI Wealth · Agents in Banking

Canada's Big Banks Restrict Outside AI Agents. Wealthsimple Plans to Connect ChatGPT and Claude.

Its own agent, Penny, pays invoices and trades stocks on a platform with $169 billion in assets.

· 2 min read

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Photograph: AI-generated

Physical AI · Carmaker Software

Volkswagen Reportedly Weighs China-Built Software for Up to 75% of Its Core European Models

Its China Electronic Architecture already runs five models at three joint ventures. VW also pays Rivian billions.

· 2 min read

VOW3RIVN

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Agentic Commerce · Search Traffic Costs

Tripadvisor Takes a $369.5 Million Hit From Search. Its CFO Says the Drag Lasts Into 2027.

AI brings under 1% of its traffic, but on Viator it converts at close to five times the average.

· 3 min read

TRIP

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AI Treasury · AI Pricing

SAP Is Swapping Out Its Priciest AI Models. Customers Still Pay Per Completed Task.

The CFO ties the swaps to over €2 billion in efficiency gains. Regulated buyers increasingly exclude models by origin.

· 2 min read

SAP

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Photograph: AI-generated

Model Labs · M&A

OpenAI Buys Pierre Computer, Whose Git Tools Already Run Inside Codex

Its staff barely reaches double digits, and Code.Storage folds into Codex. The price wasn't disclosed.

· 2 min read

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AI Estate · Privacy Regulation

Hamburg's Privacy Regulator Says Its OpenAI Model May Hold Personal Data. It Uses It Anyway.

Complaints hit 4,220 in 2025, up 62%, and staff didn't keep pace. Humans still decide every case.

· 3 min read

MSFT

What We’re Hearing
Another business unit walked away from a quarter-million-dollar AI commitment. We turned it into a revenue product.

Chief Technology & Security Officerglobal creative marketplace

Cost is a boardroom topic now. The question isn’t the bill — it’s whether anyone chose what the bill buys.

Head of AI EnablementFortune 100 insurer

The more AI you’re using, the worse you are at forecasting. Nobody warns you about that part.

VP, FinOpsglobal enterprise software company

The scoreboard

AI Moneyball

The lean AI companies posting outsized revenue per employee — tracked on our scoreboard as the disclosures land.

NVIDIAMicrosoftOpenAIAnthropicGoogleAWSJPMorganCapital OneAT&TCharterComcastT‑MobileUnitedHealthCVS HealthTravelersWalmartSalesforceDatabricksSnowflakeCoreWeaveStripeAccenture