Data Breach Notification Email Benchmarks
Data breach notifications are mandatory communications that carry high legal stakes. Recipients open these at high rates because they are personally concerned. Average open rates range from 40% to 60%, with CTR between 5% and 12%.
Key Benchmarks
| Metric | Average | Above Average | Excellent |
|---|---|---|---|
| Open Rate | 40-60% | 60%+ | 70%+ |
| Click-Through Rate | 5-12% | 12%+ | 18%+ |
| Support Inquiry Rate | 2-8% | Below 2% | Below 1% |
| Unsubscribe Rate | 1-5% | Below 1% | Below 0.5% |
Best Practices
- Send within 24-48 hours of breach discovery — speed directly affects trust recovery
- Use clear, non-alarmist subject lines that reference the incident
- Provide specific next steps and resources for affected users
- Include credit monitoring offers or other remediation when appropriate
Frequently Asked Questions
What is a good open rate for a data breach notification? 40-60% is typical. Rates above 60% indicate strong sender recognition and recipient concern.
How quickly should breach notifications be sent? Within 24-48 hours of discovery is the standard. The GDPR requires notification within 72 hours. Faster notification reduces negative brand impact and support inquiries.
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