In vulnerability assessment scanning, preparation and planning can make the difference between an accurate and illuminating scan and a big IT headache. Failure to account for and accommodate legacy hardware and software, port management strategies, traffic patterns, and usage schedules can all contribute to a vulnerability scan that has the potential for causing as many problems as it identifies. Leading scanners include customization and tweaking tools, as well as plug-ins and add-ons that enable you to craft and tailor your vulnerability scan for your business’ specific nature and operations.”]
Source: https://www.darkreading.com/analytics/vulnerability-scanning-do-s-and-don-ts