In late March 2025, Kelley Drye & Warren LLP experienced a cybersecurity breach reported by the Vermont Attorney General's Office on May 27, 2025. An unauthorized third party gained access to the firm’s network, compromising personal information of individuals. While the exact scope of the exposed data remains undisclosed, the incident confirmed the leak of sensitive details, including names. The breach highlights vulnerabilities in the law firm’s digital defenses, raising concerns about potential misuse of the accessed information, such as identity theft or targeted phishing attacks. As a legal entity handling confidential client data, the incident underscores the critical need for robust cybersecurity measures to prevent unauthorized access and protect client privacy. The firm has not yet detailed whether financial records, legal documents, or other high-risk data were involved, but the exposure of personal identifiers alone poses reputational and operational risks.
Source: https://ago.vermont.gov/document/2025-05-27-kelley-drye-warren-data-breach-notice-consumers
TPRM report: https://www.rankiteo.com/company/kelley-drye-&-warren-llp
"id": "kel024090625",
"linkid": "kelley-drye-&-warren-llp",
"type": "Breach",
"date": "3/2025",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"
{'affected_entities': [{'industry': 'Legal Services',
'location': 'United States (Vermont office reported)',
'name': 'Kelley Drye & Warren LLP',
'type': 'Law Firm'},
{'industry': 'Public Administration',
'location': 'Vermont, USA',
'name': "Vermont Attorney General's Office",
'type': 'Government Agency'}],
'data_breach': {'personally_identifiable_information': True,
'sensitivity_of_data': 'Moderate (personally identifiable '
'information)',
'type_of_data_compromised': ['Personal information (names)']},
'date_detected': '2025-03-01',
'date_publicly_disclosed': '2025-05-27',
'description': "Unauthorized access to Kelley Drye's network by an unknown "
'third party resulted in the compromise of personal '
'information, including names. Specific details about the data '
'involved remain unspecified.',
'impact': {'data_compromised': ['Personal information (including names)'],
'identity_theft_risk': 'Potential (due to compromised personal '
'information)'},
'investigation_status': 'Ongoing (as of disclosure date)',
'references': [{'date_accessed': '2025-05-27',
'source': "Vermont Attorney General's Office"}],
'regulatory_compliance': {'regulatory_notifications': 'Reported to Vermont '
"Attorney General's "
'Office'},
'response': {'communication_strategy': 'Public disclosure via Vermont '
"Attorney General's Office"},
'threat_actor': 'Unknown third party',
'title': 'Cybersecurity Incident at Kelley Drye & Warren LLP',
'type': 'Data Breach / Unauthorized Access'}