I'm building a RESTAURANT site that allows restaurant owners to add records describing their restaurants. My concern is that unauthorized individuals may enter a record for a restaurant (competitors, waiters, angry customers).
What strategies are you using to verify that users are who they say they are, in this case restaurant owners or managers?
1. Do I phone each user that posts a new record?
2. Do I accept that users are who they say they are?
3. Or, .........