Ethical hacker Nisarga Adhikary on Tuesday disputed the Central Board of Secondary Education (CBSE)’s clarification that no production data had been compromised in its On-Screen Marking (OSM) system, asserting that he had accessed non-test user data and had visual proof, including screen recordings, to back his allegations. Adhikary had earlier given visual proof of having exposed the vulnerabilities in the CBSE’s OSM system for Class 12 board examination

Ethical hacker Nisarga Adhikary claims CBSE’s online marking portal had critical flaws that could allow marks tampering and data breaches.

Cybersecurity experts urge CBSE to enhance security and transparency after a major vulnerability in the On-Screen Marking system was exposed.