Most computer security advice is an absolute waste of time — and most of what isn’t useful is barely useful, says author. Malicious hackers and malware concentrate on exploiting the most popular programs. Patching the most commonly exploited programs is the ones most likely to be on the computers they want to compromise. 2FA (two-factor authentication) is often oversold, but its effectiveness often depends on which risks you think you’re mitigating. Don’t use the same passwords across systems or websites.”]
Source: https://www.csoonline.com/article/2871131/the-best-computer-security-advice-youll-get.html