Brinztech Alert: The Alleged Database of JDIH Surabaya is on Sale

Dark Web News Analysis

The dark web news reports a significant data privacy incident involving JDIH Surabaya (Jaringan Dokumentasi dan Informasi Hukum), the legal information documentation network for the Surabaya government. A threat actor on a hacker forum is advertising the sale of a database allegedly belonging to the organization.

The compromised dataset is highly technical and comprehensive, with a compressed size of 290.10 MB. It reportedly contains a wide variety of sensitive file types (PDF, CSV, JSON, BIN) and critical system data, including Source Code, Metadata, Credentials, Contacts, Emails, Access Tokens, and Financial Information. The data spans from 2024 to 2026, indicating that the breach potentially includes current, real-time, or even forward-looking data (such as scheduled tasks or future contracts).

Key Cybersecurity Insights

Breaches of government legal repositories are “Tier 1” infrastructure threats because they expose both citizen data and the internal architecture of state systems:

• Source Code Exposure: The most dangerous aspect of this leak is the Source Code. Possession of the backend code allows attackers to study the JDIH system for unpatched vulnerabilities (Zero-Days) or logic flaws. They can find hardcoded API keys or database passwords that were effectively “keys to the castle,” leading to Remote Code Execution (RCE).
• Access Token Theft: The leak of Access Tokens means attackers may not even need passwords to log in. Valid tokens can be used to hijack active administrator sessions, allowing immediate unauthorized modification of legal documents or exfiltration of restricted files.
• “2026” Data Freshness: The date range extending into 2026 implies Persistent Access. The attacker likely still has a foothold in the system or the database contains future-dated legal scheduling or financial budgeting records. This is not just a “past” breach; it is an active operational threat.
• Financial & Legal Impact: As a repository for legal documentation, JDIH holds sensitive regulatory data. Combined with Financial Information, this creates a vector for Fraud, where attackers could manipulate legal fee records or misdirect government payments.

Mitigation Strategies

To protect government integrity and system security, the following strategies are recommended:

• Token Revocation: Immediately invalidate (revoke) all active API Access Tokens and session cookies. Force a complete re-authentication for all users and connected services.
• Secret Rotation: Assume all secrets (database passwords, API keys, encryption keys) found in the Source Code are compromised. Rotate these credentials immediately and move them to a secure secrets manager.
• Code Audit: Conduct a rapid security audit of the leaked source code to identify what vulnerabilities the attacker found. Patch these holes before bringing the system back online.
• Credential Reset: Force a password reset for all government employees and public users accessing the JDIH portal. Enforce Multi-Factor Authentication (MFA) to prevent credential reuse.

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