It’s a Good Day to Update All Your Devices. Trust Us.. Yes, this is standard advice; you should keep your software as up to date as possible as a matter of course. You could even turn on auto-updates for everything and skip the manual maintenance. But if you haven’t, today is an especially good day to be on top of it, because Apple, Google, and Microsoft have all pushed security fixes in the past two days for vulnerabilities that hacke rs are actively exploiting. It’s a zero-day patching extravaganza , and you don’t want to ignore your invite.