PHP Website Malware Removal Needed

I'm seeking an experienced professional to help address and remove malware from my PHP website. We are experiencing file alterations and suspect unauthorized access, which seems to occur at random times. Our site has been hacked multiple times, and we need someone to thoroughly check and clear it of any malicious content.

Key Requirements:
- Conduct a comprehensive malware scan and removal
- Identify and fix vulnerabilities causing file alterations
- Implement effective security measures to prevent future attacks
- Provide a detailed report of findings and actions taken

Ideal Skills and Experience:
- Expertise in PHP website security and malware removal
- Strong understanding of web security best practices
- Experience with diagnosing and resolving unauthorized access issues
- Ability to implement security measures such as firewalls and regular updates

Your assistance in securing our website is greatly appreciated. Thank you!