KPMG conducted after-hours walkthroughs of employee workstations and found sensitive information — like passwords — left out and unattended.

U.S.-based retail stores are especially susceptible to damages caused by hackers. When these stores get hit by a data breach it could cost them, on average, roughly 19 percent of their customer base, according to a new, 448-person survey​ conducted by global audit, tax and advisory firm KPMG.