Home / Videos / Secure PrestoDB Using Apache Ranger; How Privacera can Help – Don Bosco Durai, PrivaceraSecure PrestoDB Using Apache Ranger; How Privacera can Help – Don Bosco Durai, Privacera apache ranger privacera security Don Bosco Durai who is the founding member of the project Apache Ranger will do a quick show and tell on how to do fine grain authorization using Apache Ranger in PrestoDB.