A person's age or date of birth, often provided during registration or displayed on profiles. Age data helps narrow identity searches and can be cross-referenced with public records. ### Related weaknesses - [[SOWEL-1. Having and Filling Account]] - [[SOWEL-17. Exposing Personal Characteristics]] ### Related techniques - [[SOTL-15.1. Make Targeted Advertising Campaign]] - [[SOTL-3.3. Analyse Happy Birthday Greetings]] - [[SOTL-24.1. Try Various Search Requests]]