Fix my Wordpress website settings and transfer my server to new one

I need help in fixing my Wordpress website settings and transferring my website hosting and domain as I am facing login/security issues. I am open to suggestions for a security plugin or solution. After resolving the issue, I would like a security assessment report.
Ideal skills and experience for the job would include:
- Expertise in Wordpress website settings
- Knowledge of security plugins and solutions
- Ability to provide a comprehensive security assessment report