St. Paul city officials say hackers who launched an attack on the city’s computer systems posted some of that data online, after the city refused to pay a ransom.

Mayor Melvin Carter said late Monday that what was posted is a tiny percentage of what’s kept on the city’s servers — about 43 GB, from more than 153 TB. The data appeared to be from a single shared network drive used by parks and recreation employees.

“These are not core city systems like payroll, permitting or licensing,” he said. “The contents are varied and unsystematic. They could include everything from work documents, copies of IDs submitted for HR or travel, or even personal items like recipes.”

At a news conference, Carter briefly described authorities’ interaction with the hackers, who used a variant of ransomware kn

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