Food distribution giant United Natural Foods (UNFI) said it is making “significant progress” in recovering from a cyberattack that occurred almost two weeks ago, as grocery stores across North America reliant on the distributor continue to report food shortages.

The Post discovered the “possible targeted” hack of its email system last Thursday, prompting the newspaper to reset login credentials for all its employees on Friday, Washington Post Executive Editor Matt Murray said in a memo Sunday to employees.