Ransomware Gang Qilin Claims Hack That Hit Beermaker Asahi (1)

A cohort of Russian-speaking hackers known as Qilin has claimed responsibility for a ransomware attack that hobbled Asahi Group Holdings Ltd.’soperations for more than a week.

The group stole roughly 27 gigabytes of data from Japan’s biggest beer brewer including financial documents, contracts, development forecasts and employees’ personal information, Qilin said on its website. Bloomberg was unable to verify the authenticity of the claims.

A billboard for Asahi Super Dry beer.

Photographer: Soichiro Koriyama/Bloomberg

All of Asahi’s domestic plants are expected to be back online by Thursday, although output will be lower than usual, a spokesperson for the Tokyo-based company said. Information suspected to have been leaked through ...