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CBSE Clarifies No Security Breach Of On Screen Marking Portal After Social Media Claims Of Compromise
24htopnews | May 27, 2026 3:08 AM CST

CBSE has clarified that claims of a security breach in its On Screen Marking portal relate to a testing site, not the live evaluation platform. The Board said the URL named online contained only sample data for internal review and no students’ marks, evaluation records or official examination data were compromised on the operational system currently used for assessments.

The Central Board of Secondary Education (CBSE) has issued a clarification following claims circulating on social media regarding an alleged security breach of its On Screen Marking (OSM) portal.

The clarification came after a social media user claimed that the portal hosted at cbse.onmarks.co.in had been compromised on February 26, 2026. The claim also led to a few reports and discussions online raising concerns over the security of the Board’s digital evaluation system.

Responding to the allegations, CBSE said the portal mentioned in the post was not the live platform used for the evaluation of answer books. According to the Board, the URL referred to in the claims was only a testing site created for internal review purposes and contained sample data instead of real student records or evaluation details.

The Board further clarified that the actual portal used for assessment work operates on a different URL and has not faced any compromise or security vulnerability. It stressed that no breach involving students’ marks, evaluation records or official data has been detected on the live system deployed for examinations.


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