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IIT Panel Flags Inadequate Testing In CBSE OSM Portal, Cites Security & Functional Assessment Gaps, Calls For Stronger Audits
24htopnews | June 11, 2026 9:08 PM CST

An IIT panel reviewing CBSE’s On-Screen Marking (OSM) portal found it was not adequately tested for functionality and security before deployment, leaving critical vulnerabilities. Ethical hacker findings aligned with the audit. The panel recommends stronger security practices like penetration testing and Red Team–Blue Team exercises. No evidence of student data leaks was found.

New Delhi: The On-Screen Marking (OSM) portal, used for evaluating the Class XII answer sheets of lakhs of students, was not "thoroughly" tested and did not undergo a "sufficient" assessment of its functionality, security vulnerabilities, and potential threats before deployment, a member of the IIT panel auditing the CBSE post-result ecosystem told ANI.

IIT panel to submit report soon
The IIT panel, constituted following the controversy surrounding the OSM portal, is expected to submit its report to the Education Ministry on its findings and recommendations in the coming days.

Collaboration with IITs and agencies
Officials from IIT Madras and IIT Kanpur worked closely with the CBSE and other agencies like Digital India Corporation (DIC) to find out vulnerabilities in the CBSE post-exam ecosystem.

Development of a new portal
After identifying multiple vulnerabilities in the OSM portal, the IIT panel assisted in the development of a new examiner-facing portal using the base code of the now-discontinued system. The new portal is currently being used for the verification and re-evaluation of answer sheets.


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