This is a special post for quick takes by ChristianKl. Only they can create top-level comments. Comments here also appear on the Quick Takes page and All Posts page.
The Ukrainian war has the potential to turn into a cyber war. Russian cyberattacks on Ukraine have damaged non-Ukranian targets is a good time to think through your OPsec.
Potential cyberwar is a good reason to think through your backup strategy, make sure that you use complex enough passwords with a password manager, use second-factor-authentification and have your software updated.