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·9 min read·technology

Dark Web Monitoring: How to Know If Your Data Is Leaked

What the dark web is, how stolen Indian business data gets traded there, and practical steps to monitor and respond to data leaks.

Shouvik Mukherjee, Founder of Bachao.AI

Shouvik Mukherjee

Founder, Bachao.AI

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Security exposure this creates

Unpatched vulnerabilities in your tech stack are the #1 entry point for breaches targeting Indian businesses. Here's what to watch.

What Is the Dark Web?

The dark web is a part of the internet accessible only through specialised software (like Tor). While it has legitimate uses, it's also where stolen data, credentials, and exploits are actively traded.

12.5 BnLeaked credentials available on dark web forums (SpyCloud 2025)
₹450-4,500Price range for stolen Indian credit card data on dark web (Digital Shadows 2025)
2xPremium paid for fresh Indian data vs global average (Flashpoint 2025)
23 daysAverage time between data theft and dark web listing (Mandiant Threat Report 2025)

How Indian Business Data Ends Up on the Dark Web

graph TD A[🔓 Breach Occurs
Phishing, vulnerability,
insider threat] --> B[📦 Data Collected
Credentials, PII,
financial records] B --> C[🧪 Data Verified
Attacker tests
validity of records] C --> D[💰 Initial Sale
Sold to highest bidder
on Telegram/forums] D --> E[🔄 Data Resold
Aggregated with
other breaches] E --> F[🎯 Used for Attacks
Credential stuffing,
identity fraud, BEC] style A fill:#5f1e1e,stroke:#EF4444,color:#e2e8f0 style D fill:#1e3a5f,stroke:#F97316,color:#e2e8f0 style F fill:#5f1e1e,stroke:#EF4444,color:#e2e8f0

What Types of Indian Data Are Traded?

Data TypeTypical PriceRisk LevelCommon Source
Email + password combo₹5-50 per recordHighPhishing, data breaches
PAN + Aadhaar₹500-2,000 per recordCriticalGovernment portal breaches
Credit/debit card details₹450-4,500 per cardCriticalSkimming, e-commerce breaches
Corporate email credentials₹2,000-15,000 per accountCriticalPhishing, credential stuffing
API keys and tokens₹5,000-50,000 per keyCriticalGitHub leaks, misconfigurations
Full KYC documents₹3,000-10,000 per setCriticalNBFC/fintech breaches
Database dumps₹10,000-5 lakh per dumpCriticalSQL injection, misconfigurations
DANGER
Indian data commands a premium on the dark web because of India's growing digital economy and the value of Aadhaar/PAN-linked financial data. A single NBFC database dump can sell for lakhs.

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How to Monitor for Your Data on the Dark Web

Free monitoring tools

    1. Have I Been Pwned (haveibeenpwned.com) — Check if your email appears in known breaches
    2. Firefox Monitor — Free breach monitoring from Mozilla
    3. Google Password Checkup — Checks saved passwords against known breaches

Professional monitoring

Professional dark web monitoring services continuously scan:

    1. Paste sites (Pastebin, GitHub Gists)
    2. Dark web forums and marketplaces
    3. Telegram channels (the new preferred marketplace for Indian data)
    4. IRC channels
    5. Breach dump databases

What to Do If Your Data Is Found on the Dark Web

graph LR A[🚨 Data Found
on Dark Web] --> B[Assess Scope
What data? How much?] B --> C[Reset All
Credentials] C --> D[Notify CERT-In
Within 6 hours] D --> E[Notify Affected
Users] E --> F[Run VAPT
Find the breach vector] F --> G[Fix & Monitor
Continuous monitoring] style A fill:#5f1e1e,stroke:#EF4444,color:#e2e8f0 style D fill:#1e3a5f,stroke:#F97316,color:#e2e8f0 style G fill:#1e5f3a,stroke:#10B981,color:#e2e8f0

Immediate response checklist

  1. Don't panic — but move quickly
  2. Identify the scope — What data was exposed? How many records?
  3. Reset all credentials — Change passwords for all affected systems
  4. Enable MFA — On every account that supports it
  5. Report to CERT-In — Mandatory within 6 hours under current regulations
  6. Notify affected individuals — Required under DPDP Act
  7. Run a VAPT scan — Find and close the vulnerability that was exploited
  8. Monitor for follow-up attacks — Breached companies are often targeted again

Preventing Data Leaks in the First Place

Prevention MeasureEffectivenessCost
Regular VAPT scansVery HighLow-Medium
Employee security trainingHighLow
MFA on all systemsVery HighLow
Data encryption at restHighLow
API security testingVery HighMedium
Access control reviewsHighLow
Endpoint protectionMediumMedium
Key Takeaway
Prevention is orders of magnitude cheaper than response. A single VAPT scan that catches an SQL injection vulnerability before attackers do can save you from a breach costing crores. Regular scanning is the most cost-effective security investment an Indian business can make.

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INFO
The best way to prevent your data from appearing on the dark web is to close your vulnerabilities before attackers find them. Book a free VAPT scan to identify your most critical security gaps today.

Written by Shouvik Mukherjee, Founder of Bachao.AI. Follow me on LinkedIn for dark web intelligence and cybersecurity insights for Indian businesses.

Shouvik Mukherjee, Founder of Bachao.AI

Shouvik Mukherjee

Founder, Bachao.AI

Ex-enterprise architect turned cybersecurity founder. Built systems for Fortune 500s, now making enterprise-grade security accessible to every Indian business. Writes about threats targeting Indian businesses, practical defenses, and the DPDP Act.

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