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Threat Actor Characterization

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Order403

Order403

ID: 820801e74174d7ee8171bcad71d1529a83748
Hacktivist Group Hacktivism
Threat types: Cybercrime, Hacktivism, Data Leak, Defacement, Intrusion
Unknown BRA
Updated: 2026-04-03
Created: 2026-02-19
Progress: 89% Completeness: 88% Freshness: 90%
Operation zone: Brazil
Aliases Limited alias preview
403 Ord403 Or*******
Showing 2 of 3 aliases in free preview.
Actor Network Graph
Open Network Graph
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MITRE ATT&CK®

Order403 is an emerging Telegram-native hacktivist / data-leak cluster associated with defacement and data-breach claims, recurring public attack recaps, and visible alliance-building with other hacktivist groups.


Technique Technique name Tactics Evidence
T1585.001 Social Media Accounts TA0042
  • 2026-04-01 — Public Telegram channels @order403 and @ord403 are used as core actor-owned online accounts for branding and publication. · ref
T1190 Exploit Public-Facing Application TA0001
  • 2026-02-27 — INFERENCE (confidence: medium): public reporting linking Order403 to a Brazilian municipal-government website breach is consistent with exploitation of a public-facing application or exposed administrative surface. · ref
T1565.001 Stored Data Manipulation TA0040
  • 2026-02-27 — INFERENCE (confidence: medium): website breach/defacement reporting and the actor's own branding around hacktivism and defacement align with manipulation of stored website data/content. · ref
T1537 Transfer Data to Cloud Account TA0010
  • 2025-12-09 — INFERENCE (confidence: low-to-medium): recurring database-leak claims suggest some incidents may involve collection and public release or transfer of exposed data, though validation remains uneven. · ref
T1598.003 Spearphishing Link TA0043
  • 2026-03-22 — INFERENCE (confidence: medium): alliance acknowledgements and partner references across public channels suggest use of online social relationships for operational amplification and outreach. · ref
Strategic Intelligence
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Last updated: 2026-04-01T17:12:05+00:00
Order403 — Emerging Hacktivist / Data-Leak Cluster

Classification: Unclassified / Open Source Intelligence (OSINT) — TLP:WHITE

Category: Cybercrime / Hacktivism / Data Leaks & Defacement

Author: iQBlack CTI Team


Executive Summary

Order403 is an emerging public-facing hacktivist cluster operating primarily through Telegram channels and an opportunistic mix of defacement, data-leak and broader “hacktivist” branding activity. Public channel descriptions explicitly frame the group as dedicated to hacktivism, defacements and database leaks, and open-source monitoring places the cluster in daily threat-claim recaps from late 2025 onward.


At present, the group appears more effective as a public-claims, alliance-building and reputational-disruption brand than as a well-documented, high-sophistication intrusion set. Available open reporting supports the reality of the brand, its Telegram presence, repeated claims activity, and a visible effort to cultivate alliances with other hacktivist or error-system style groups. However, the current evidence base remains thin on verified technical intrusions, stable tooling, confirmed operator identity and consistent victim validation.

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Executive Analyst Brief for CISO
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Executive Analyst Brief for CISO — Order403Classification: Unclassified / Open Source Intelligence (OSINT) — TLP:WHITECategory: Cybercrime / Hacktivism / Data LeaksAuthor: iQBlack CTI TeamWhat / WhoOrder403 is an emerging hacktivist / data-leak cluster active in public Telegram spaces since at least late 2025. It presents itself as a group focused on hacktivism, defacements and database leaks, and appears to operate through a mix of public claims, alliance-building and opportunist

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Hunting Playbook
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Hunting Playbook — Order403Classification: Unclassified / Open Source Intelligence (OSINT) — TLP:WHITECategory: Cybercrime / Hacktivism / Data LeaksHunt 1 — Unauthorized changes in web root and public contentGoal: Detect defacement-oriented modification of public-facing websites and application content.Scope: Web servers, CMS hosts, reverse proxies, content directories, deployment accounts.Detection logic: Alert on unexpected file creation, overwrite or deletion in web r

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IOC Appendix
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Last updated: 2026-04-01T17:17:47+00:00


This appendix summarizes a curated set of indicators and pseudo-indicators associated with Order403. It should be treated as a defensive snapshot, not as a complete or permanent blocking list. The actor’s current public footprint is heavily social / Telegram-centric, and the available evidence base is stronger for branding, public channels, alliances and behavioral patterns than for stable technical infrastructure such as malware hashes, long-lived domains or confirmed C2.

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OSINT Library
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Last saved: 2026-04-01T17:18:01+00:00

OSINT Library — Order403


2026-04-01 — Telegram — “View @order403”

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Social Medial & Communication
SOCMINT integrated: 0/2

Address Verification SOCMINT
t.me/ord***** Restricted Not integrated
t.me/ord*** Restricted Not integrated
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Reference Images/Associated Evidence Limited

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