Here are a few ways to rewrite the title in a formal tone, depending on the specific context:
- Enhanced Regulatory Measures Against Online Disinformation (Most professional)
- Strengthening Oversight of Online Disinformation (Action-oriented)
- Increased Regulatory Initiatives to Curb Online Disinformation (Comprehensive)
Recommendation: “Enhanced Regulatory Measures Against Online Disinformation” is the most formal and standard choice for a report, article, or policy document.