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Case study May 2, 2026

Indonesia Government Cluster: 5-Node Survey, 2 Account Takeovers

Sector
Government

NuClide Research · 2026-05-02


Summary

Five Indonesian government Ollama nodes confirmed live across .go.id infrastructure. Two provincial government nodes have live Ollama Connect account takeover URLs. The cluster spans national, provincial, and regency tiers of Indonesian government.


Node Inventory

IPHostnameOrganizationVersionTierTags
103.107.245.11sijoli-11-245-107.jatengprov.go.idDinas Kominfo Prov. Jawa Tengah0.13.2Provincial (ICT dept)CLOUD · TAKEOVER · RAG
103.156.110.80ip-103-156-110-80.kaltaraprov.go.idPemerintah Provinsi Kalimantan Utara0.13.4ProvincialCLOUD · TAKEOVER · Claude-distilled
103.136.182.113tpposyandu.banjarkab.go.idPemerintah Kabupaten Banjar0.21.0RegencyCLOUD
103.123.25.197mail.kalteng.go.idPemerintah Provinsi Kalimantan Tengah0.9.2Provincialmail server
103.55.254.253kemkes.go.idDepartemen Kesehatan,National (Health Ministry)offline at probe time

Account Takeovers

IPUsernameSSH Pubkey
103.107.245.11da298cd9ca86ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEd19vXJ586h1nPgxSuRVifj6XAtuBnfdKO6H7fN2V7c
103.156.110.807a3686b3df54ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILmUNnGe5hcVp/9f8nTolAN49G+s1RbNMN5uYm1Zfc8y

Both usernames are MAC addresses / container IDs, automated or containerized deployments with no account customization.


Notable Findings

Kominfo Jateng (103.107.245.11): RAG pipeline confirmed (BGE-M3 multilingual embedder + Qwen3:14b). The hostname sijoli likely corresponds to an internal government information system. Document retrieval over an unauthenticated, injectable endpoint on provincial ICT infrastructure.

Kalimantan Utara (103.156.110.80): Qwen3.5-27B-Claude-4.6-Opus-Reasoning-Distilled, a Claude 4.6 Opus knowledge-distilled local model on a provincial government server. Tool-calling model (gemma3-it-qat-tools:27b) also present.

Banjar Regency (103.136.182.113): Posyandu health monitoring system (tpposyandu) running DeepSeek V4 Pro cloud proxy. Posyandu = Indonesian integrated health post network. AI on a national health data collection system.

Central Kalimantan (103.123.25.197): mail.kalteng.go.id, the provincial mail server hostname running Ollama v0.9.2 (very old). deepseek-r1:1.5b + llama3.2:3b on what should be a mail relay.


Remediation

OLLAMA_HOST=127.0.0.1:11434
systemctl restart ollama

Block TCP 11434 at the government network perimeter.


Disclosure

  • Discovered: 2026-05-02
  • Status: Pending, ID-CERT (idcert.id) and individual agency Kominfo contacts
  • Priority: CRITICAL (active account takeovers, government ICT infrastructure)