A third party website management company provides both managed hosting and security, but the security of the site depends largely upon the provider. It takes a very sophisticated security team to successfully self-host a website. A security team has to be able to identify the threat presence and have knowledge of security patches. Having their website managed can provide a core intelligence security model that protects customers all the way through the security model, said FireHost’s Jeff Schilling. The right in-house security team is too costly, companies might find that a hosting provider is more affordable and efficient.”]
Source: https://www.csoonline.com/article/2975074/when-to-host-your-websites-security.html