WordPress Spam Prevention Consultant

I'm looking for a web security consultant with proven experience in WordPress to help with a persistent spam issue on our site.

We use Gravity Forms and HubSpot, and we need someone to:
- Audit our current setup.
- Identify the root cause of spam bypasses.
- Propose and implement targeted fixes.
- Ensure legitimate leads aren't blocked.

Ideal skills include:
- Expertise in Gravity Forms, Wordfence, and HubSpot.
- Experience with spam prevention and security audits.

Please share:
- Relevant experience
- Examples or case studies
- Estimated time for solution