examples of high-profile network security breaches

You are an experienced employee of the DigiFirm Investigation Company. Chris, your team leader, said the company has a new potential client. Acme e-Goods is a well-known outfit that markets its products over the Internet. The company has a large-scale network that houses a great amount of sensitive customer information they want to protect. Acme e-Goods is seeking proposals from private forensics firms. The company is considering keeping a firm on retainer that could immediately respond to any network security incidents. Chris has a number of people involved in preparing DigiFirms proposal and wants you to get involved. He wants you to find examples of actual high-profile network security breaches that have occurred so DigiFirm can show Acme e-Goods just how common network security breaches are becoming, and that Acme is not immune.  For this assignment: