The real security lesson Windows XP taught us is to challenge our assumptions

Windows XP is the end of support for the Windows XP operating system. Estimates range from 18-30% of systems currently accessing the Internet use Windows XP. Despite warnings of negative consequences, a large number of individuals and organizations simply opted to stick with what they had. The number of people clinging to Windows XP suggests perhaps that this good practice needs a boost. The hidden, single biggest lesson for security is the single biggest for security: We need to challenge our assumptions at the beginning of the process. Take the opportunity to probe our assumptions and then find the right solution forward.”]

Source: https://www.csoonline.com/article/2141023/the-real-security-lesson-windows-xp-taught-us-is-to-challenge-our-assumptions.html