Ransomware attack on software supplier disrupts operations for Starbucks and other retailers. A ransomware attack that hit a major software provider last week caused disruptions for a handful of companies over recent days, from Starbucks to U.K. grocery giant Morrisons. NEW YORK (AP) — A ransomware attack that hit a major software provider last week caused disruptions for a handful of companies over recent days, from Starbucks to U.K. grocery giant Morrisons. Blue Yonder, which provides supply chain technology to a range of brands worldwide, said that it experienced disruptions to services it manages for customers on Thursday, which the third-party software supplier determined to be “the result of a ransomware incident.”. Third-party company: Blue Yonder.