The AI bubble gets a credit rating: stolen keys and borrowed capital in the middle layer

By AI Secret (Magna Ding) · 6 Nov 2026.

This is AI Secret's Friday Deep Dive, titled “The Bubble Got a Credit Rating.” The email received contains only the opening of the article: the rest is behind a paywall (“Upgrade to continue reading. Become a paid member of AI Secret to get access to all premium content”). This summary is therefore limited to what the visible text supports.

The piece opens with a short line: “The bill arrived in October, in the name on the key.” It alludes to a stolen access key used at its owner's expense.

The introductory text lays out two facts. First: a single stolen key made 1.7 million calls to Amazon's AI models in thirteen hours. Second: at the end of that same month, Alphabet lost $510 billion in market value in a single day.

According to the author, both episodes concern the same layer: the intermediary companies that hold other people's keys and borrow other people's money to sell AI compute capacity. The title suggests that this layer is already being assessed by credit standards, hence the image of a “bubble with a credit rating.”

The email provides no details on the identity of the stolen key, how the abuse worked, the specific intermediary companies, the debt figures or the credit rating the title refers to. Nor does it explain what caused Alphabet's drop. As a precaution, no information beyond the visible text has been added.

What matters for tracking the sector is the thesis: the risk combines security (stolen API credentials billed to their owner) and financing (leverage among AI compute resellers). The full analysis and its supporting evidence require access to the paid version of the article.