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US Census Bureau: Data Exposed in Alteryx Leak Already Public

The US Census Bureau says no personally identifiable information it collected was compromised in this week's Alteryx leak.

Data analytics firm Alteryx made headlines this week when UpGuard discovered a misconfigured Amazon Web Services S3 storage bucket exposed sensitive information of 123 million households. The leak exposed information from Experian and the US Census Bureau.

The US Census Bureau today issued a statement following reports claiming Alteryx exposed personally identifiable information (PII) collected by the Bureau. The agency said Alteryx only had access to publicly available data from, including published data from the 2010 Census.

"The company implicated had no access to PII collected by the Census Bureau, nor did the reported data leak involve Census Bureau servers or Census Bureau data stored through cloud services," the Bureau said.

Read more details here.