Guarantee uniqueness of emails
Summary
Systems using email accounts for user registration must guarantee the uniqueness of the emails. This is indicated in the RFC822 email address structure standard.
Description
Email addresses serve as a means of identifying and communicating with users. Each user's email address should be associated with a unique account to ensure that communication, notifications, and account-related information are directed to the correct individual.
Supported In
This requirement is verified in following services
| Plan | Supported |
|---|---|
| Essential | 🔴 |
| Advanced | 🟢 |
References
- NIST 800-53-IA-2. Identification and authentication (organizational users)
- PTES-3_4_1_5_2. Corporate - Infrastructure assets (email addresses)
- FISMA-IA-2. Identification and authentication (organizational users)
Vulnerabilities
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