Threat Actor Characterization
Sociedad Privada 157
ID: f233bc6d079f414de9d428171706d35e59238| Sociedad Privada-157 | SociedadPrivada157 | S**** | — |
Actor Network Graph
Open Network GraphMITRE ATT&CK®
Sociedad Privada 157 (SP157) is a Mexico-linked intrusion and public-leak cluster associated with defacements and repeated exposure of education- and government-sector data. Public reporting suggests a valid-account / exposed-service operating model with strong emphasis on public impact rather than stealth.
| Technique | Technique name | Tactics | Evidence |
|---|---|---|---|
| T1078 | Valid Accounts | TA0001 TA0003 TA0004 TA0005 |
|
| T1190 | Exploit Public-Facing Application | TA0001 |
|
| T1213 | Data from Information Repositories | TA0009 |
|
| T1005 | Data from Local System | TA0009 |
|
| T1565.001 | Stored Data Manipulation | TA0040 |
|
| T1087 | Account Discovery | TA0007 |
|
| T1537 | Transfer Data to Cloud Account | TA0010 |
|
Classification: TLP: WHITE - Open Source Intelligence (OSINT)
Category: Cybercrime / hacktivist-adjacent intrusion and data-leak cluster - Origin: Mexico-linked nexus (INFERENCE, confidence: medium)
Author: iQBlack CTI Team
Executive Summary
Sociedad Privada 157 (also seen as “SP157”) is an emerging Spanish-speaking cybercrime / hacktivist-adjacent cluster publicly associated with defacements, public leak activity, and repeated exposure of sensitive records from Mexican public-sector and education-related systems. Public reporting and incident commentary consistently link the cluster to incidents affecting school platforms, scholarship-related datasets, municipal portals, and other government-linked digital assets. Confidence in the group’s public operational existence is medium-to-high; confidence in exact internal structure, leadership, and tradecraft depth remains medium.
Open reporting most consistently ties the cluster to a campaign arc spanning April 2025 through at least March 2026, with a strong concentration on Mexican education and public-administration systems. Reported impacts include exposure of student records, medical-related records, personal identifiers, scholarship information, and administrative data, alongside web defacements affecting government portals. Public commentary repeatedly names “Marssepe” as a leading or owner-level figure, while other aliases such as Alz_157s, Naxiel’z, and Mzk appear in association with claims or defacement contexts.
Executive Analyst Brief for CISO — Sociedad Privada 157Classification: Unclassified / Open Source Intelligence (OSINT) — TLP:WHITEWhat is it?Sociedad Privada 157 is a Mexico-centered intrusion and public-leak cluster associated with defacements and repeated exposure of sensitive data from public-sector and education-linked systems. The group appears to rely more on weak identity controls and exposed portals than on advanced tradecraft, but its impact can still be severe because victim datas
Hunting Playbook — Sociedad Privada 157Classification: Unclassified / Open Source Intelligence (OSINT) — TLP:WHITEThis playbook is designed for a Mexico-focused public-sector / education exposure threat model centered on weak credentials, public-facing portals, structured data access, and defacement or public leak outcomes. The logic below prioritizes hunts that can reveal SP157-like activity even where a specific malware family is absent.Hunt 1 — Administrative logons to public-facing port
No stable malware hashes or consistently reused filenames are presently supported by strong public reporting for Sociedad Privada 157. Defenders should instead monitor for operator-generated exports, temporary archives, and unauthorized web-content changes on exposed institutional systems.