2023-09-13 MGM Resorts International Cybersecurity Incident

Page last updated on April 11, 2024

MGM Resorts International initially disclosed a cybersecurity incident in an SEC 8-K filing on 2023-09-13 06:06:30 EDT.

Incident Details

Material: Unknown
Is Breach: Unknown
Records Compromised: Unknown
Data Types Impacted: No Data Types Tracked (yet)

Compromised Date:
Detected Date:
Disclosure Date: 2023-09-13
Contained Date:
Recovered Date:

Attack Goal: Unknown

Costs: No Costs Tracked (yet)


8-K filed on 2023-09-13

MGM Resorts International filed an 8-K at 2023-09-13 06:06:30 EDT
Accession Number: 0001193125-23-233855

Item 7.01 Regulation FD Disclosure.

On September 12, 2023, MGM Resorts International (the “Company”) issued a press release regarding a cybersecurity issue involving the Company. The information furnished pursuant to this Item 7.01 (including Exhibit 99.1) shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Exhibit No.

Las Vegas, September 12, 2023 – MGM Resorts International (the “Company” or “MGM Resorts”) today issued the following statement:

MGM Resorts recently identified a cybersecurity issue affecting certain of the Company’s systems. Promptly after detecting the issue, we began an investigation with assistance from leading external cybersecurity experts. We also notified law forcement and are taking steps to protect our systems and data, including shutting down certain systems. Our investigation is ongoing, and we are working diligently to resolve the matter. The Company will continue to implement measures to secure its business operations and take additional steps as appropriate.

Company Information

NameMGM Resorts International
SIC DescriptionHotels & Motels
TickerMGM - NYSE
CategoryLarge accelerated filer
Fiscal Year EndDecember 30