threat actor
ZeffSec
ZeffSec is a hacktivist collective focused on infrastructure-level disruption and exposing vulnerabilities in centralized digital networks. In March 2026, the group claimed responsibility for a large-scale DDoS attack against ArvanCloud, Iran's primary cloud and CDN provider, causing widespread service outages across platforms including the online education service Skyroom. The group announced the operation via Telegram, stating their goal was disruption of centralized infrastructure rather than
Curated · btcintel
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Facts
- id
- zeffsec
- kind
- threat actor
- status
- unknown
- aliases
- Zeff Security
- jurisdictions
- —
- claims naming it
- 0 · 0 attributions · 0 relations · 0 events
Identifiers
- misp-galaxy 024d7f4a-dffb-40e3-877f-08e7e3725fe1via misp-galaxy-threat-actor
Relations
computedno relations recorded for this entity
Events
computedno dated events recorded for this entity
Claims naming this entity
computedno current claim names this entity
Subjects0 subjects carry a claim naming this entity · a sample
computedno subject carries a claim naming this entity
Community
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