Surely the most-used current OS, be it 7, 8 or 10, is more at risk than XP, which fewer people use because the target for hackers is far greater. In any case, I've yet to see any evidence that XP is at risk. I've tried visiting the dodgiest of websites and apart from nuisance websites that refuse to close (which would happen on other OS's anyway), I've never had any problem, and I always report phising scams that appear in my inbox. As for the newer versions of Windows, 7 is approaching its end of support, 8 is the most atrocious OS ever devised by MS, and 10 is absolutely plagued with problems.