After ransomware attack, Canadian mining company shuts down its mill

Canadian Copper Mountain Mining Corporation (CMMC), British Columbia, has revealed that they were the victims of a ransomware attack. This affected their operations.

CMMC is a 18,000-acre claim owned partly by Mitsubishi Materials Corporation. It produces on average 100 million copper pounds per year, and has an estimated resource of mineral reserves for an additional .

Cyberattacks on the company were discovered late December 27th, 2022. IT personnel quickly responded by installing the protocols and risk management systems.

CMMC took out the infected computers and other components to contain the situation. This allowed them to inspect the systems thoroughly and assess the impact of the ransomware attack.

As a precaution, engineers at CMMC had to close the mill to assess the condition of the control system. Other processes were switched to manual operation.

from CMMC reads: “The Company’s internal and external IT teams continue to assess risks and are active establishing additional safeguards for any further risk to Company.”

Copper Mountain is currently investigating the cause of the attack. Copper Mountain has been in touch with relevant authorities who have assisted the Company. – Canadian Copper Mountain Mining Corporation

CMMC clarified that cybersecurity incidents did not affect safety or create any environmental harm.

At this point, the company’s primary priority is to resume normal operations quickly to limit the financial consequences of the incident.

BleepingComputer, with help from discovered an interesting fact: A cybercriminal offered account credentials belonging to CMMC employees on a hacker market on December 13, 2022.

The close timing of the sale and disclosure of ransomware attacks suggests that hackers may have used compromised accounts to get a grip on company networks.