We delete this data after 1 year from the most recent transaction (payment or refund). This retention policy applies only to the billing information stored by Offensive Security and not to the billing information we provide to our third-party vendors and service providers.</li> </ul> <ul> <li> <strong>Proctoring video and screen feeds: </strong>video and screen feeds obtained during exam proctoring will be retained for up to 6 months.