Marriott International announced in November 2018 that attackers had stolen data

on approximately 500 million customers. The breach initially occurred on systems

supporting Starwood hotel brands starting in 2014. The attackers remained in the

system after Marriott acquired Starwood in 2016 and were not discovered

until September 2018.(sourced from a published report)

Referring to the case given, list and explain 2 steps that can help prevent data breach like this.