Cusotomer information breached - Hanaro Telecom

Imagine you join a private company as security officer or compliance officer and the company use the customers data inappropriately, eg., like what Hanaro Telecom did. What can you do? You probably would sit down and remain calm because you would think you cannot do anything to obey the management. That is the way you can live?

You can find the customer information breach case at:
http://www.koreatimes.co.kr/www/news/biz/2008/04/123_23018.html
http://english.chosun.com/w21data/html/news/200804/200804240017.html