Dioptra re-released

The National Institute of Standards and Technology (NIST), the U.S. Commerce Department agency that develops and tests tech for the U.S. government, companies and the broader public, has re-released a testbed designed to measure how malicious attacks —particularly attacks that “poison” AI model training data —might degrade the performance of an AI system.

Called Dioptra (after the classical astronomical and surveying instrument), the modular, open source web-based tool, first released in 2022, seeks to help companies training AI models —and the people using these models —assess, analyze and track AI risks. 

Dioptra can be used to benchmark and research models, NIST says, as well as to provide a common platform for exposing models to simulated threats in a “red-teaming” environment.

“Testing the effects of adversarial attacks on machine learning models is one of the goals of Dioptra,” NIST wrote in a press release.

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