R.J. Zavoral & Sons, Inc.

R.J. Zavoral & Sons, Inc. was compromised in a ransomware attack attributed to dragonforce in February 2026. The organization, operating in the Construction sector in United States, was added to the group's data leak site as part of an extortion campaign.

dragonforce operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.

Established in 1951, R.J. Zavoral and Sons, Inc. is a leading earth moving and construction services contractor based in East Grand Forks, MN, specializing in asphalt paving, road and rail construction, site work, and underground utilities. The company serves clients across the Red River Valley, including municipalities, private businesses, and industries, providing solutions for flood mitigation and environmental site management. With a commitment to quality and family values, R.J. Zavoral and Sons employs innovative technologies to ensure efficient project execution and customer satisfaction. Their extensive experience in construction has allowed them to build strong relationships with various clients, further solidifying their reputation in the industry

Intelligence correlations link this incident to 1 vulnerability(ies) including CVE-2025-5777, which may have been leveraged as initial access vectors or for lateral movement.