NEWTOWN, Pa., Dec. 01, 2025 (GLOBE NEWSWIRE) -- The law firm of Edelson Lechtzin LLP is investigating data privacy claims regarding an incident at Devereux Advanced Behavioral Health. Devereux Advanced Behavioral Health learned of a data breach on or about November 28, 2025.
If you would like to discuss this case with a lawyer, please click HERE.
About Devereux Advanced Behavioral Health
Devereux Advanced Behavioral Health is a nationwide nonprofit that provides services for people of all ages with emotional, behavioral, and developmental challenges.
What happened?
On or about November 28, 2025, the ransomware group known as The Gentlemen announced that they were behind a breach targeting Devereux Advanced Behavioral Health. They issued a threat stating they would release confidential personal information if the organization did not begin talks with them. The size of the information leak is currently unknown.
How can I protect my personal data?
If you receive a data breach notification regarding Devereux Advanced Behavioral Health, you should take steps to protect yourself against identity theft and fraud. Such measures include regularly reviewing your account statements and monitoring your credit reports for any suspicious or unauthorized activity.
Edelson Lechtzin LLP is investigating a class action lawsuit to seek legal remedies for individuals whose sensitive personal data may have been compromised by the Devereux Advanced Behavioral Health data breach.
For more
Devereux cybersecurity rating report: https://www.rankiteo.com/company/devereux
"id": "DEV1764634230",
"linkid": "devereux",
"type": "Ransomware",
"date": "12/2025",
"severity": "100",
"impact": "5",
"explanation": "Attack threatening the organization’s existence"{'incident': {'affected_entities': [{'customers_affected': None,
'industry': 'Healthcare (Behavioral '
'Health Services)',
'location': 'Nationwide (HQ: Newtown, '
'Pennsylvania, USA)',
'name': 'Devereux Advanced Behavioral '
'Health',
'size': None,
'type': 'Nonprofit Organization'}],
'customer_advisories': 'General advisory to monitor personal '
'data for identity theft/fraud; link '
'provided for legal consultation (HERE).',
'data_breach': {'data_encryption': None,
'data_exfiltration': True,
'file_types_exposed': None,
'number_of_records_exposed': None,
'personally_identifiable_information': True,
'sensitivity_of_data': 'High',
'type_of_data_compromised': ['Confidential '
'Personal '
'Information']},
'date_detected': '2025-11-28',
'date_publicly_disclosed': '2025-12-01',
'description': 'The ransomware group known as The Gentlemen '
'announced a breach targeting Devereux Advanced '
'Behavioral Health on or about November 28, 2025. '
'The group threatened to release confidential '
'personal information if the organization did not '
'begin negotiations. The size of the data leak is '
'currently unknown. Edelson Lechtzin LLP is '
'investigating potential class action lawsuits '
'for affected individuals.',
'impact': {'brand_reputation_impact': 'Potential (class action '
'lawsuit investigation '
'initiated)',
'conversion_rate_impact': None,
'customer_complaints': None,
'data_compromised': True,
'downtime': None,
'financial_loss': None,
'identity_theft_risk': 'High (confidential personal '
'information threatened for '
'release)',
'legal_liabilities': 'Potential (class action lawsuit '
'under investigation by Edelson '
'Lechtzin LLP)',
'operational_impact': None,
'payment_information_risk': None,
'revenue_loss': None,
'systems_affected': None},
'initial_access_broker': {'backdoors_established': None,
'data_sold_on_dark_web': None,
'entry_point': None,
'high_value_targets': None,
'reconnaissance_period': None},
'investigation_status': 'Ongoing (class action investigation by '
'Edelson Lechtzin LLP; breach details '
'under assessment)',
'motivation': 'Financial extortion (ransom demand)',
'post_incident_analysis': {'corrective_actions': None,
'root_causes': None},
'ransomware': {'data_encryption': None,
'data_exfiltration': True,
'ransom_demanded': None,
'ransom_paid': None,
'ransomware_strain': None},
'recommendations': ['Monitor account statements and credit '
'reports for suspicious activity (advised to '
'affected individuals).',
'Engage legal counsel for potential class '
'action participation (via Edelson Lechtzin '
'LLP).'],
'references': [{'date_accessed': '2025-12-01',
'source': 'Globe Newswire Press Release',
'url': None}],
'regulatory_compliance': {'fines_imposed': None,
'legal_actions': 'Potential class '
'action lawsuit '
'(under investigation '
'by Edelson Lechtzin '
'LLP)',
'regulations_violated': None,
'regulatory_notifications': None},
'response': {'adaptive_behavioral_waf': None,
'communication_strategy': 'Public disclosure via '
'Globe Newswire; legal '
'investigation announced '
'by Edelson Lechtzin LLP',
'containment_measures': None,
'enhanced_monitoring': None,
'incident_response_plan_activated': None,
'law_enforcement_notified': None,
'network_segmentation': None,
'on_demand_scrubbing_services': None,
'recovery_measures': None,
'remediation_measures': None,
'third_party_assistance': None},
'threat_actor': 'The Gentlemen (ransomware group)',
'title': 'Devereux Advanced Behavioral Health Data Breach and '
'Ransomware Attack',
'type': ['Data Breach', 'Ransomware Attack']}}