Weil Gotshal & Manges Hit by Cyberattack Exposing Client Documents
On May 29, 2026, global law firm Weil Gotshal & Manges LLP confirmed it had suffered a cyberattack, resulting in a "limited number" of client documents being uploaded to an external cloud storage site. The breach was disclosed by Law360 Pulse, which verified the incident with the firm.
Details remain scarce, but the attack appears to have targeted sensitive client data, raising concerns about potential exposure. Weil Gotshal, a prominent firm with offices in major financial hubs, has not yet provided further specifics on the scope of the breach, the threat actor involved, or the timeline of the attack.
The incident underscores the ongoing cybersecurity risks faced by legal and professional services firms, which often handle highly confidential information. No additional details on remediation efforts or regulatory notifications have been released at this time.
Source: https://www.law360.com/articles/2483409/weil-hit-by-cyberattack-impacting-client-files-
Weil Gotshal & Manges LLP TPRM report: https://www.rankiteo.com/company/weil-gotshal-and-manges
"id": "wei1780079130",
"linkid": "weil-gotshal-and-manges",
"type": "Breach",
"date": "5/2026",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"{'affected_entities': [{'industry': 'Legal Services',
'location': 'Global (major financial hubs)',
'name': 'Weil Gotshal & Manges LLP',
'type': 'Law Firm'}],
'data_breach': {'data_exfiltration': 'Uploaded to an external cloud storage '
'site',
'number_of_records_exposed': 'Limited number',
'sensitivity_of_data': 'High (sensitive client data)',
'type_of_data_compromised': 'Client documents'},
'date_publicly_disclosed': '2026-05-29',
'description': 'On May 29, 2026, global law firm Weil Gotshal & Manges LLP '
'confirmed it had suffered a cyberattack, resulting in a '
"'limited number' of client documents being uploaded to an "
'external cloud storage site. The breach was disclosed by '
'Law360 Pulse, which verified the incident with the firm. The '
'attack appears to have targeted sensitive client data, '
'raising concerns about potential exposure.',
'impact': {'brand_reputation_impact': 'Potential impact due to exposure of '
'sensitive client data',
'data_compromised': 'Client documents'},
'investigation_status': 'Ongoing',
'references': [{'source': 'Law360 Pulse'}],
'title': 'Weil Gotshal & Manges Hit by Cyberattack Exposing Client Documents',
'type': 'Data Breach'}