Blog comments are vital for reader engagement, offering a platform for discussion and feedback. They enhance SEO and foster a sense of community, but challenges like spam and trolling can pose risks. Bloggers must weigh the benefits against potential drawbacks, considering whether to enable or disable comments based on their goals and audience needs.

Blogging security is essential for content creators to avoid cyber threats like hacking and data breaches. Regular plugin updates are crucial to close security gaps and enhance functionality. Best practices such as minimizing plugins, backing up data, and employing security measures like firewalls and monitoring tools help maintain a safe blogging environment.