Let me qualify that, slightly: the risk of bringing your site down grows considerably when you're not constantly keeping up with updates. If you've neglected your updates for more than a few months or so, you may be inviting the WSOD (White Screen of Death--a digital grim reaper, of sorts) the next time you run your updates. Even without months of neglect, unless you're paying attention, updates can still be deadly to your site. Here's why: