Mastercorp data breach (2023)

Breach window

Mar 30, 2023 → Mar 31, 2023

When the intrusion reportedly occurred, per the linked filings

Breach discovered

Mar 31, 2023

Reported by VERMONT AG filing

GLOBALClaimed by Black BastaFirst sighting

Posted to leak site Apr 27, 2023bd_f7a0a5ed0c870133

MasterCorpBusiness Services · Tennessee, United States · 1,000 EmployeesHeadquarters 3505 N Main St, Crossville, Tennessee, 38555, United StatesPhone Number (931) 484-1752Website www.mastercorp.comRevenue $217.8MA leader in cleanliness since 1981, today MasterCorp is considered the most trusted name in hospitality services. We partner with premier resorts and developers nationwide and lead the industry, not only in size, but in innovation, performance, and customer satisfaction.

32 days

🍁Vermont State AGMost recentLeaked → filing gap · 32dlinked via shared-victim match · 100%

Filed May 30, 2023bd_987c1d95566b0a3c

MasterCorp, Inc. notified consumers of a data breach detected on March 31, 2023. An unauthorized party accessed the network between March 30-31, 2023, potentially removing files containing names and Social Security numbers. MasterCorp contained the threat, engaged external cybersecurity professionals, and is offering complimentary credit monitoring services to affected individuals.

Mastercorp

Litigation Timing

Timeline