Cyberattack on Cleaver-Brooks: Anubis Group Allegedly Steals 700GB of Data
On August 10, 2026, reports surfaced of a potential cyberattack targeting Cleaver-Brooks, a Georgia-based manufacturer of boiler room products and systems. The hacker group Anubis claimed responsibility for the breach, allegedly exfiltrating 700 gigabytes of data from the company. The claim was posted on the dark web monitoring site Ransomware.live, though details about the scope and nature of the compromised data remain unconfirmed.
Legal teams affiliated with ClassAction.org are investigating the incident, seeking current and former employees, contractors, and other affiliates who may have had their information exposed. The investigation aims to determine whether a class action lawsuit could be filed on behalf of affected individuals, potentially covering damages such as loss of privacy, out-of-pocket costs, and other harm resulting from the breach.
As of August 12, 2026, Cleaver-Brooks has not publicly confirmed the attack, and no further details about the breach’s impact or the types of data involved have been disclosed. The incident follows a pattern of ransomware attacks targeting industrial and corporate entities, raising concerns about data security in critical infrastructure sectors.
Source: https://www.classaction.org/data-breach-lawsuits/cleaver-brooks-august-2026
Cleaver-Brooks cybersecurity rating report: https://www.rankiteo.com/company/cleaver-brooks
"id": "CLE1786570464",
"linkid": "cleaver-brooks",
"type": "Ransomware",
"date": "8/2026",
"severity": "100",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"{'affected_entities': [{'industry': 'Industrial/Boiler Room Products and '
'Systems',
'location': 'Georgia, USA',
'name': 'Cleaver-Brooks',
'type': 'Manufacturer'}],
'data_breach': {'data_exfiltration': '700GB of data',
'personally_identifiable_information': 'Potential '
'(current/former '
'employees, '
'contractors, '
'affiliates)'},
'date_detected': '2026-08-10',
'date_publicly_disclosed': '2026-08-10',
'description': 'On August 10, 2026, reports surfaced of a potential '
'cyberattack targeting Cleaver-Brooks, a Georgia-based '
'manufacturer of boiler room products and systems. The hacker '
'group Anubis claimed responsibility for the breach, allegedly '
'exfiltrating 700 gigabytes of data from the company. The '
'claim was posted on the dark web monitoring site '
'Ransomware.live, though details about the scope and nature of '
'the compromised data remain unconfirmed. Legal teams '
'affiliated with ClassAction.org are investigating the '
'incident, seeking current and former employees, contractors, '
'and other affiliates who may have had their information '
'exposed. The investigation aims to determine whether a class '
'action lawsuit could be filed on behalf of affected '
'individuals, potentially covering damages such as loss of '
'privacy, out-of-pocket costs, and other harm resulting from '
'the breach.',
'impact': {'data_compromised': '700GB of data',
'identity_theft_risk': 'Potential',
'legal_liabilities': 'Potential class action lawsuit'},
'investigation_status': 'Ongoing',
'ransomware': {'data_exfiltration': '700GB of data'},
'references': [{'date_accessed': '2026-08-10', 'source': 'Ransomware.live'},
{'date_accessed': '2026-08-10', 'source': 'ClassAction.org'}],
'regulatory_compliance': {'legal_actions': 'Potential class action lawsuit'},
'threat_actor': 'Anubis Group',
'title': 'Cyberattack on Cleaver-Brooks: Anubis Group Allegedly Steals 700GB '
'of Data',
'type': 'Data Breach'}