Casual credentials sharing over OTT services where people give passwords to friends and family so they can tap their subscriptions is almost certainly more common than “official” figures suggest. It is almost encouraged by some services, in both SVoD and live sports, by typically allowing two or three simultaneous active streams. Until recently this has been regarded like shrinkage in retail as something that has to be tolerated and nothing much can be done about, even though it represents lost revenue. Most surveys put the incidence of regular casual password sharing in the range 25% to 40%, but it is a good bet well over half of subscribers indulge in the practice occasionally. There is also evidence that password sharing…