Labels:text | screenshot OCR: WHO ARE THE THREATS TO INFORMATION SECURITY? Competition Employees Contract servios professionals Customers Public Interest groves Suppliers Foreign conemment AOM 20% 0% 40% 200% Not a threat or Threat or potential threat potential threat Percent of responses Source: Ernst & Young LLP/Information Week The Threat Within. According to a study conducted by Ernst & Young LLP, insiders pose the greatest threat to information security. Corporate intranets are especially vulnerable, as they are designed to make information easily accessible to a lot of people.