Fireworks AI says cloud-provider breach exposed customer billing data and model weights

Fireworks said an October 24th intrusion through a cloud provider reached development machines, affecting billing data and, for some accounts, secrets, datasets and incomplete model weights.

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Primary source: Bloomberg Technology

Why it matters

Fireworks sells companies a place to build specialized models around proprietary data. The November 9th disclosure says that material, including datasets and incomplete model weights for a limited set of accounts, was within reach of an intruder who entered through a cloud provider. Secrets can be rotated quickly. Customer confidence in where sensitive model work lives takes longer to rebuild.

Server racks stand beside glass marked with a cloud upload and download icon, while folders with data symbols and a broken padlock sit on a desk.

Fireworks AI, the model infrastructure provider co-founded by CEO Lin Qiao, told customers on November 9th that data was accessed during an October 24th intrusion through a cloud provider. It was Fireworks' second known security breach in weeks, Bloomberg reported.…

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