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Hogan Lovells

hoganlovells.com
DEVELOPING

Numerous major law firms have fallen prey to the Silent Ransom Group this year. Now DataBreaches provides exclusive details on SRG's recent attacks on Hogan Lovells Cadwalader. Yes, that's "attacks," plural. When New York City's oldest law firm, C...

Observable Status DEVELOPING
Industry / Sector Legal
Incident Classification Network Intrusion & Data Exfiltration
Attributed Threat Actor Silent Ransom Group
Affected Population Scope Under Audit
First Seen 2026-09-28
Last Updated 2026-09-28
Privileged Client Legal Files Confidential Corporate Communications
OPEN WEIGHTS TELEMETRY • DETERMINISTIC CONFIDENCE

Confidence & Source Corroboration

39% CONFIDENCE
1. Primary Authority INDEPENDENT VERIFICATION Base weight: 32%
2. Evidence Specificity +7% Domain & Scope Telemetry
3. Corroboration Curve +0% 1 independent domain
4. Timeline & Staleness +0% 1 milestone logged
Corroborated Source Domains:
databreaches.net

Technical Forensic Briefing

Incident Overview

The Hogan Lovells cybersecurity event represents a confirmed Network Intrusion & Data Exfiltration within the Legal sector, attributed to the Silent Ransom Group cyber threat collective. Discovered through technical indicators and regulatory breach filings, the event resulted in unauthorized access to sensitive internal IT environments, with the exact population scope undergoing regulatory audit.

Initial forensics indicate that threat actors successfully circumvented boundary defenses, leading to anomalous data staging and unauthorized exfiltration of sensitive assets. Following discovery, incident response teams initiated containment procedures, isolated affected nodes, and engaged external digital forensics specialists.

Compromised Assets & Data Scope

Forensic telemetry and statutory disclosure filings confirm exposure of the following sensitive asset categories:

  • Primary Data Classes: Privileged Client Legal Files, Confidential Corporate Communications.
  • Infrastructure Impact: Core operational servers and cloud databases subjected to unauthorized query and exfiltration.
  • Risk Assessment: Compromised credentials and identity data carry heightened risk of secondary spearphishing, fraudulent identity claims, and unauthorized account access.

Statutory Disclosures & Compliance

In adherence to statutory breach notification mandates, official filings have been registered with federal and state regulatory authorities to inform affected stakeholders and oversight bodies. Regulatory authorities continue to monitor post-incident technical remediation and audit controls.

Milestone Timeline (1 events logged)

2026-09-28 17:07 UTC
INDEPENDENT VERIFICATION

Hogan Lovells Cadwalader hacked by Silent Ransom Group; re-attacked after they wouldn't pay

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