This is very close to the advice I give laypeople, but I hit a few other points (e.g. password security): <a href="https:&#x2F;&#x2F;paragonie.com&#x2F;blog&#x2F;2015&#x2F;06&#x2F;guide-securing-your-business-s-online-presence-for-non-experts" rel="nofollow">https:&#x2F;&#x2F;paragonie.com&#x2F;blog&#x2F;2015&#x2F;06&#x2F;guide-securing-your-busin...</a>