Monte Cristalina S.A.

The organization operates under the alias Monte Cristalina S.A.
It is also known simply as Monte Cristalina.
Its headquarters is located in Brazil.
The entity is described as a holding firm in the ransomware leak site notification.

On December 19, 2022, Monte Cristalina S.A. was identified as a victim of a cyber attack.
The LockBit3.0 ransomware group claimed responsibility for the incident.
According to the group, they exfiltrated approximately 135 gigabytes of the company’s data.
To validate their claim, the attackers released partial samples of the alleged data.
Following the breach, the organization's website became inaccessible to visitors.

Monte Cristalina S.A. did not issue any official acknowledgment or confirmation of the attack.
The LockBit3.0 leak site entry noted operational disruption and potential data exfiltration affecting the holding firm.
Details of the incident were reported in a Databreaches.net article accessible at the provided URL.
LockBit3.0 is recognized for employing double extortion tactics in its ransomware operations.

The group maintains a public leak site where it publishes data from victims who do not meet its demands.
This event highlights the ongoing threat of ransomware to companies operating in Brazil.