MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202641122602 A) filed by Dr. N. G. P. Institute Of Technology on October 13, 2026, for Tamper Trace: A Proactive Approach To Web Defacement Detection.
Inventors include Ms. Gomathi Sakthivel; Ms. Kalaiselvi Marappan; Ms. Manochitra Mariappan; Mr. Indrakumar Velusamy; Mr. Krishnakumar Marirajan; and Mr. Gowtham Karathemani.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: Abstract Even organizations, government websites, and small entities without the resources to conduct continuous manual monitoring are vulnerable to website defacement attacks because defacement is an unauthorized change in the content, layout, and design of a website. Visual defacement often goes undetected unless reported by an external party due to the fact that existing security techniques, like intrusion detection and file integrity checkers, either monitor the network or the files on the server but not the visual rendering as seen by the visitor to the site. In this paper, we propose Tamper Trace, a website integrity monitoring system, which filters out benign dynamic content like sliders and advertisement banners and identifies defacement through visual SSIM analysis. The system has been evaluated using a live Flask-based testbed and several external test targets through simulations of defacement attacks from five classes: text or header defacement, asset defacement, CSS hijacking, malicious script injection, and total template defacement. In 31 experiments of successful recovery, Tamper Trace provided a perfect detection performance at a 100% success rate and 0% false alarm rate, on the average taking 19.7 seconds for detection and less than 150 milliseconds for automatic rollback on rotating dynamic content. The results indicate that for small to medium-sized websites, a lightweight double-layer visual-semantics-based monitoring technique may be a good complement to perimeter security measures. Keywords: Automated Alert System, Web Application Security, Incident Logging, Automatic Restorative Measures, Structural Similarity Index, DOM-Based Detection, Visual Similarity Based Detection, Web Defacement Detection, Web Integrity Monitoring, and Real-Time Monitoring.
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