The Central Board of Secondary Education (CBSE) has refuted the claims being spread on social media that its On Screen Marking (OSM) portal has been hacked. The Board has clarified that this claim is completely based on false and misleading information. Some media reports had also come out regarding this matter, after which CBSE has issued an official statement.

What was the whole matter?
A user on social media had claimed that CBSE’s On Screen Marking (OSM) portal, whose URL was stated to be cbse.onmarks.co.in, had been hacked on 26 February 2026. After this claim, this news spread rapidly on many platforms, causing confusion among students and parents.

CBSE official statement
CBSE has clarified that the URL being mentioned is not a part of the actual examination evaluation system. It is only a testing website, which is used for internal testing and system review. The Board clearly said that no actual evaluation data, student marks or any sensitive information is available on this testing portal. Therefore, any incident like hacking or data theft is not possible on this site.

Genuine OSM system completely secure
CBSE also clarified that the actual OSM system, which is used for evaluation of answer sheets, is completely secure. No incident of any kind of security flaw or cyber attack has been reported in this main system.

According to the board, strong cyber security protocols and monitoring systems have been implemented to safeguard the evaluation process, preventing any unauthorized access.

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CBSE has said that the original on-screen marking system used to evaluate the answer sheets is completely safe. No security problem of any kind has come to light in it. The board said that to keep the system safe, strong cyber security system and monitoring system has been implemented, so that any kind of unauthorized access can be prevented.

CBSE also said that this system has been designed to make the evaluation process more transparent and faster. It also includes a robust grievance resolution system, so that the problems of students and teachers can be resolved immediately.

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