Back to all incidents

Baker McKenzie

bakermckenzie.com
CONFIRMED

Baker McKenzie was listed on the SilentRansomGroup ransomware extortion leak portal. Unverified extortion claim alleging unauthorized network access and data compromise.

Observable Status CONFIRMED
Industry / Sector Professional Services
Incident Classification Network Intrusion & Data Exfiltration
Attributed Threat Actor SilentRansomGroup
Affected Population Scope Under Audit
First Seen 2026-10-08
Last Updated 2026-10-29
Authentication Credentials
OPEN WEIGHTS TELEMETRY • DETERMINISTIC CONFIDENCE

Confidence & Source Corroboration

100% CONFIDENCE
1. Primary Authority CONFIRMED BY REGULATOR Base weight: 65%
2. Evidence Specificity +19% Statutory Filing Verified
3. Corroboration Curve +17% 3 independent domains
4. Timeline & Staleness +3% 3 milestones logged
Corroborated Source Domains:
ransomware.live oag.ca.gov reuters.com
STATUTORY REGULATORY DISCLOSURES

Official Regulatory Filings & Legal Compliance Records

1 Verified Statutory Filing
Regulatory Ground Truth Standard: The disclosures below represent formal statutory filings and enforcement records submitted to government regulatory authorities (SEC, State Attorneys General, HHS OCR, FTC, FCC, EU/UK DPAs). In accordance with repository principles, this data is captured exactly as filed by the reporting entity and is never modified, overridden, or synthesized by AI models.
California Department of Justice

SB-24 Data Breach Notice

CONFIRMED BY REGULATOR
Docket / Accession ID Statutory Public Notice
Statutory Filing Date 2026-10-27
Disclosed Impact Scope Under Audit
Evidence Standard Regulatory Ground Truth
Statutory Filing Details & Summary (Preserved As Filed):

Official statutory data breach notification submitted by Baker & McKenzie to the California Department of Justice under California Civil Code § 1798.82 (SB-24), disclosing unauthorized access to personal identifiable information of California residents.

View Official Regulatory Filing Document https://oag.ca.gov/ecrime/databreach/reports/sb24-631961

Technical Forensic Briefing

Incident Overview

Baker McKenzie, operating within the Professional Services sector, has been subject to a cybersecurity incident initially observed on 2026-10-08. Ground-truth telemetry indicates the threat activity is attributed to threat actor SilentRansomGroup.

Baker McKenzie was listed on the SilentRansomGroup ransomware extortion leak portal. Unverified extortion claim alleging unauthorized network access and data compromise.

Compromised Assets & Data Scope

The specific volume of affected customer or organizational records remains under active forensic investigation. Primary affected online infrastructure and perimeter domains include bakermckenzie.com.

Specific classes of compromised records, credentials, or proprietary information continue to be audited through ongoing forensic investigation.

Authoritative Directives & Vendor Disclosures

  • Continuous Telemetry Monitoring: Formal statutory regulatory filings (SEC Form 8-K, State AG portals) and sovereign agency advisories (CISA, NCSC) are continuously monitored via automated ingestion pipeline.

Milestone Timeline (3 events logged)

2026-10-08 20:52 UTC
UNVERIFIED CLAIM

Baker McKenzie Listed on SilentRansomGroup Ransomware Extortion Portal

2026-10-27 17:00 UTC
CONFIRMED BY REGULATOR

California Attorney General Data Breach Notice (SB-24)

2026-10-29 21:13 UTC
Media Pickup INDEPENDENT VERIFICATION

Mainstream Media Pickup: Law firms Baker McKenzie, Troutman targeted in cyber breaches

Have updated information or a new verifiable source?

This incident record is a flat Markdown file tracked in Git. Propose an update or add a milestone via Pull Request.

Propose Update via GitHub