A typical line for Conax looks like this: I 2345 01 1234567890ABCDEF ; Conax Movie Channel

Even if a hacker finds a key, a single "Key Update" ECM sent by the broadcaster instantly kills that key. By the time you copy the key into your software, the broadcaster has already changed it.

, Conax effectively eliminated the use of "unapproved" receivers that were often used to circumvent older encryption methods. Global Impact and Integration Today, Conax technology—now part of the Kudelski Group

If you'd like to dive deeper into the technical side,

For older Conax cards (v5 or v6), software exists that records the communication between the smart card and the set-top box. Over time, the software analyzes the "Response" and "Challenge" to extract the master key.

: Widely used versions that introduced advanced security features and support for high-definition (HDTV) and MPEG-4 content.