https://www.marketwatch.com/story/ma..._share_twitter
Marriott’s Starwood breach raises questions about meeting SEC standards for cybersecurity disclosure
Published: Nov 30, 2018 2:06 p.m. ET
Quote from Article (use link to read the full articles): Marriott didn’t acquire Starwood until 2016 but said the hacker may have been accessing data since 2014
"On Friday Marriott International, the world’s largest hotel company, told the public that a data breach in its Starwood reservation system may have exposed personal information of up to 500 million guests and has been going on since 2014."