GLOBALMalwareProfessional ServicesProfessional ServicesRansomwareCephalusRansom DemandedActor NamedMedium
Guerrero Mears LLP
bd_cfc09493ec5e205d · schema v1 · pii pii-v1
Full breach record for Guerrero Mears LLP →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Cephalus on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Group activity: Business ServicesDiscovered: 2025-08-26
Source: Ransomware.live
Post text · scraped from the leak site
Guerrero Mears LLP DATALEAK | (FORGOT THE SIZE)
Tracked as a single-filing incident — the only disclosure on record for this event so far.Unverified claimView incident
No regulatory filing corroborates this yet. If an SEC 8-K, state-AG notice, or victim statement lands, DisclosureLens will merge it into an incident and link it here.
Source provenance
- Source URL
- https://darkforums.st/Thread-Document-Guerrero-Mears-LLP-DATALEAK-FORGOT-THE-SIZE
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Aug 26, 2025
- Raw hash
- f09c7f33698e94167063fe72767af60717b18e69df73e91ef3d263d56744a124
Reporting entity
- Name
- cephalus
Victim entity
- Name
- Guerrero Mears LLPnorm: guerrero mears
- Domain
- gmllp.com
- Industry
- Professional Servicesllm
What this source establishes
- Source ceiling
- A leak-site claim can't tell us: discovery date · materiality · notification · affected count · confirmed data types · compliance clock. These stay blank until a regulatory filing or victim disclosure lands.
- Attack vector
- Ransomware· cephalus
- Threat actor
- CephalusExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.