When Data Disappears Overnight - How Eye Witness Solved a Corporate Crime in Kolkata
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Overview
In early 2023, a well-known software company in Salt Lake, Kolkata faced an alarming security breach. Sensitive client data had vanished overnight, and several high-value hard drives were missing from the server room. The company, TechNova Solutions Pvt. Ltd., was in panic, not just because of the financial loss, but because the stolen data included confidential international project files.
With pressure mounting from both clients and law enforcement, the company reached out to Eye Witness Detective Agency in Kolkata, a trusted name in private and corporate investigation.
Background
TechNova’s internal IT audit revealed traces of unauthorized access, but no clear evidence of who was behind the breach. CCTV recordings for the night of the incident were mysteriously corrupted, and security staff claimed they noticed nothing unusual. The management suspected an insider job but couldn’t afford to make a false move that might hurt their reputation.
The challenge was clear, no direct evidence, tampered systems, and a tight deadline before the client’s legal team intervened.
The Problem
From December 2023 onward, Rajat began blackmailing Ananya. He threatened to disclose private photographs, details of trips, and sensitive personal history—including a failed pregnancy, unless she complied with his demands. His coercion included:
- Pressure to resume a physical relationship despite her marriage.
- Forcing her to share hourly selfies and screenshots of conversations with her husband.
- Repeated threats of exposure to her in-laws, family, and on social media.
By 2025, Ananya was pregnant with twins through IVF, but Rajat intensified his threats, demanding she continue the relationship or risk public humiliation.
Investigation Process
Eye Witness assembled a three-member forensic and surveillance team, led by Retd. Inspector Arup Ghosh, a cybercrime expert with over 25 years of CID experience. The case was handled under utmost confidentiality.
Digital Forensics and Data Recovery
Using forensic recovery tools, the team managed to restore fragments of deleted CCTV footage and partial system logs from the server. The recovered frames revealed faint movements in the restricted zone at 2:43 AM – long after the office had closed.
Suspect Profiling
Cross-verifying access card data and Wi-Fi login patterns pointed to Mr. Rohan Dutta, a mid-level project manager who had recently been denied a promotion. His sudden purchase of a new car and frequent visits to a café near a competing firm raised further suspicion.
Surveillance and Evidence Correlation
Over the next week, discreet tailing confirmed Rohan’s meetings with a recruiter linked to a rival company in Bangalore. Digital tracing of pen drives and cloud backups tied the stolen files to his laptop.
Legal Validation
All recovered evidence including metadata, video frames, and digital footprints was compiled in a format admissible under the Indian Evidence Act.
Findings
The investigation confirmed that Rohan had transferred critical client data onto an external drive and shared it through a private email server in exchange for money. The deleted CCTV footage, once restored, showed him entering the server room using a duplicate access card.
Upon confrontation with evidence, Rohan confessed. The company initiated disciplinary and legal action, with the Eye Witness report serving as a key document during internal hearings.
Outcome
Within 15 days, Eye Witness successfully closed the case. The stolen data was recovered from encrypted backups, and TechNova avoided what could have been a ₹50-lakh contractual penalty from overseas clients.
Impact & Takeaways
- Forensic recovery can rebuild erased trails, even when culprits believe they’ve covered their tracks.
- Corporate frauds often begin with small internal grievances, making psychological profiling as important as technical investigation.
- Timely involvement of professional detectives can prevent escalation and protect brand credibility.
Conclusion
The Missing Evidence wasn’t just about solving a theft – it was about restoring trust. With deep forensic expertise, patience, and precision, Eye Witness Detective Agency turned fragments of digital clues into irrefutable proof.
Today, TechNova remains one of Eye Witness’s long-term corporate clients, a testament to how professional corporate investigation can quietly safeguard an organisation’s future in a world where data is the new currency.