If you have a huge amount of servers to monitor you might use auto-updates. this is quite fine for the most of us if you have the possibility to login sometimes and do some manual maintenance-tasks. But we all know this stress during the normal day and you might not be able to do this for all the machines. And we all know Murphy so you are likely to confront the situation that your boot partition shows a usage of 100 %.
The last few weeks showed us that the Internet-of-Things can be pretty dangerous, e.g.: Mirai Again: DT Outage a Precursor to Larger DDoS Attack. Especially if the devices are able to communicate with the internet there is a high risk! But I think this is not the only hazard. What happens if someone gets into your network because of an insecure device? This posting will list some actions the possible of such an attack.