We did two presentations on the security issues in Digital Cable TV network back in February at Nullcon[Goa] and another at HITB [Amsterdam ] . We disclosed few of the many security issues we reported to a large cable network operator in India.
more here............http://www.garage4hackers.com/entry.php?b=3073
more here............http://www.garage4hackers.com/entry.php?b=3073