If you use a solid host like WPengine and a security app like wordfence.com it would be a very rare day indeed to get hacked. Source: about 1 year ago

If on wordpress, use the free version of wordfence.com to scan your site and identify possible viruses. Continue to use wordfence to protect the site, and if a successful business blossoms, consider the premium paid version. I'm not affiliated in any way, I've simply used the product with success for a number of years. Source: over 2 years ago

You can also read the documentation to learn about Wordfence's blocking tools, or visit wordfence.com to learn more about Wordfence. Source: over 2 years ago

Here is a popular blog that uses Discourse for comments: https://blog.codinghorror.com/welcome-to-the-internet-of-compromised-things/#discourse-comments HOWTO: https://meta.discourse.org/t/embed-discourse-comments-on-another-website-via-javascript/31963 Many years ago I tried using Facebook: https://developers.facebook.com/docs/plugins/comments/. - Source: Hacker News / over 1 year ago

Outside of Disqus, there really aren't any alternatives when it comes to embeddable solutions. Facebook has a comments plugin that basically gives the Facebook commenting experience for your site, but I've very rarely seen this in use. - Source: dev.to / about 3 years ago