What do DirecTV and Dish Network do to stop signal theft?
DirecTV maintains a list of cancelled access cards. If an access card with a blacklisted CAM ID is utilized, you will receive the “Call Extension 745” error message. DirecTV and Dish Network engineers also broadcast hostile signals that instruct the satellite receivers to cause unauthorized access cards to stop working. These attacks are commonly known as ECM (Electronic Counter Measures). Common ECM attacks are: Datastream updates Datastream updates are new software which is sent to the access card to attempt to close previously discovered vulnerabilities. Datastream updates can be repaired by programming the access card again. Tier Wipes Tier wipes are updates which are sent down to reconfigure unsubcribed access cards. Tier wipes can be repaired by programming the access card again. Looping Looping utilizes the ROM program in each access card. Instructions are sent down which causes unsubscribed access cards to enter an infinite loop. Which the card is stuck in this infinite loop it
