Mealey's (December 5, 2019, 9:50 AM EST) -- KANSAS CITY, Mo. — A supermarket chain’s “inadequate and negligent security measures” allowed hackers to steal customers’ data for approximately seven months before the theft was halted, a Missouri man alleges in his Nov. 19 class complaint filed in the U.S. District Court for the Western District of Missouri (Gordon Grewing, et al. v. Hy-Vee, Inc., No. 19-928, W.D. Mo.)....