Skip to content

SURF Health Check Score system and Formula

Sophos Surf Health Check uses a baseline score of 100. This means that all Sophos Firewall configuration best practices are being followed. The baseline score of 100 is then deducted for every alert that shows on the Surf Health Summary.

Formula: Rating=100-alerts triggered

Summary Health Score

Rating Points
Best Practice 100 points
Low Risk 85-99 points
Medium/Low Risk 70-84 points
Medium Risk 55-69 points
Medium/High Risk 40-54 points
High Risk 0-39 points

Alert Severity Points

Alert severity Equivalent points
Low severity 5 points deducted
Medium severity 10 points deducted
High severity 15 points deducted
Critical 75 points deducted