If I made a website without any input box can Hackers still hack my site?
closed as too broad by Marcus Müller, schroeder♦ Jul 28 '18 at 19:54
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The short answer is all sites can be hacked.
The site is on a server and that server is connected to the internet and as such can be hacked. With that being said keeping your server up to date and properly configured drastically reduces the chances of a compromise.