INCIDENT: Major Brewer, Molson Coors, Hit By Cyberattack Costing Millions

On March 11, 2021, Molson Coors Beverage Company (the “Company”) announced that it experienced a systems outage that was caused by a cybersecurity incident. Production was reportedly halted up to one week at some plants. The Company has engaged leading forensic information technology firms and legal counsel to assist the Company’s investigation into the incident. This cybersecurity incident has caused and may continue to cause a delay or disruption to parts of the Company’s business, including its brewery operations, production, and shipments.

Update: Production of 1.8 million hectolitres delayed from Q1 to later in the year, delaying 120-140 m$ earnings to later in the year.

Incident Date

March 11, 2021


United States

Estimated Cost

120-140 m$ earnings delayed to later in the year.

Type of Malware:

No Malware identified

Threat Source:

No threat source identified


  • Cyberattack against Molson Coors pushes production, shipments later into 2021
  • Cybersecurity Breach Halts Production of Molson Coors Beer
  • Cyberattack Against Molson Coors Impacts Brewery Operations, Production, and Shipments
  • Major Brewer Hit By Cyberattack




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