Claims of CBSE OSM Portal Hacking Prove False; CBSE Refutes Rumors

Social Media Claims Regarding CBSE OSM Hacking Turn Out to Be False; Board Affirms Actual Evaluation System Is Completely Secure. Here Is the Full Story

The Central Board of Secondary Education (CBSE) has refuted claims circulating on social media alleging that its On-Screen Marking (OSM) portal has been hacked. The Board clarified that these claims are entirely false and based on misleading information. Several media reports regarding this matter had surfaced, prompting CBSE to issue an official statement.

What Was the Full Story?

A user on social media claimed that the CBSE On-Screen Marking (OSM) portal—identified by the URL cbse.onmarks.co.in—had been hacked on February 26, 2026. Following this claim, the news spread rapidly across various platforms, creating confusion among students and parents.

CBSE's Official Statement

CBSE clarified that the URL in question is not part of the actual examination evaluation system. It is merely a testing website used for internal testing and system reviews. The Board explicitly stated that this testing portal does not contain any actual evaluation data, student marks, or any sensitive information of any kind. Therefore, incidents such as hacking or data theft are simply not possible on this site.

The Actual OSM System Is Completely Secure

CBSE further clarified that the actual OSM system—which is used for the evaluation of answer scripts—is completely secure. No security vulnerabilities or incidents of cyberattacks have been detected within this primary system.

According to the Board, robust cybersecurity protocols and monitoring systems have been implemented to safeguard the evaluation process and prevent any unauthorized access.

CBSE reiterated that the authentic On-Screen Marking system used for the evaluation of answer scripts remains completely secure. No security issues of any kind have surfaced in the system. The Board stated that a robust cybersecurity framework and monitoring system have been implemented to safeguard the system, thereby preventing any form of unauthorized access.

The CBSE further added that this system has been designed to make the evaluation process more transparent and efficient. It also incorporates a robust grievance redressal mechanism to ensure the prompt resolution of issues faced by students and teachers.