A 40% spike in US connected TV ad inventory traffic in October was unfortunately caused by the biggest botnet attack yet in that field, rather than a boom in legitimate ad sales. It is a wakeup call for the industry which has naturally been seized upon by vendors of products designed to counter such activity. Yet casual observers of the scene could be forgiven for thinking that we have been there before and ask why previous solutions, especially ads.txt from the New York based Interactive Advertising Bureau (IAB) Technology Lab, failed to nip the problem in the bud. Previous botnets have attacked OTT video in general and the recent botnet identified by authentication technology vendor DoubleVerify, targeted connected TV (CTV) inventory.…