One-Third of Internal User Accounts Are 'Ghost Users' Due to inadequate access controls on various systems attackers and malware can easily move laterally through an organization destroying content.  Meager access controls on folders and file systems are leaving organizations wide open to the lateral movement of attackers and malware, according to a new report. Security firm Varonis analyzed data risk assessments performed by its engineers on 130 companies and 5.5 petabyes of data through 2017. What concerns Varonis technical evangelist Brian Vecci most is that companies left 21% of all their folders open to everyone in the company. Sensitive folders and files are among the overexposed. Thirty percent of companies leave more than 1,000 sensitive folders accessible to all employees, and 41% have more than 1,000 sensitive files accessible to…