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CBSE files plaint over 'coordinated' cyberattacks on post-result portal

Board says coordinated cyber attacks targeted services used by students after Class XII results, but no data breach or unauthorised access was detected

Central Board of Secondary Education (CBSE)

According to CBSE, the attacks involved large volumes of malicious internet traffic originating from multiple IP addresses within India and abroad | Photo: Wikimedia Commons

Auhona Mukherjee

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The Central Board of Secondary Education (CBSE) on Friday said it had filed a complaint with Delhi Police over a series of coordinated cyber attacks targeting its post-result services portal, adding that the attacks were aimed at disrupting services used by students after the declaration of Class XII board examination results.
 
The Board said it had approached the Intelligence Fusion & Strategic Operations (IFSO) unit of Delhi Police regarding repeated cyber attacks directed at the portal over the past three days.
 
“The Central Board of Secondary Education (CBSE) has filed a formal complaint with the Intelligence Fusion & Strategic Operations (IFSO) Unit of Delhi Police concerning a series of coordinated and sophisticated cyber attacks directed at its Post-Result Services Portal,” the Board said in a statement.
 
 
According to CBSE, the attacks involved large volumes of malicious internet traffic originating from multiple IP addresses within India and abroad. The Board said the apparent objective was to destabilise the platform, deny access to legitimate users and attempt unauthorised extraction of information.
 
“As the portal caters to lakhs of students across the country for availing post-result services, any disruption to its functioning has the potential to adversely impact a large number of stakeholders, cause significant public inconvenience, and affect public order and create dissatisfaction among students against the Board,” CBSE said.
 
The Board said it has sought a detailed investigation and appropriate legal action against those responsible for the attacks, citing the coordinated nature and scale of the incident.
 
Despite the attempts, CBSE maintained that its systems and databases remained secure. It said no data breach, unauthorised access or compromise of information had been detected.
 
The Board added that the attacks were successfully mitigated through continuous monitoring and response mechanisms. It said cybersecurity teams from several institutions and agencies assisted in handling the incident, including IIT Kanpur, IIT Madras, the Digital India Corporation, the Indian Cyber Crime Coordination Centre (I4C) and the Indian Computer Emergency Response Team (CERT-In).
 
The development comes during the five-day window for post-result services that began on June 2, a day later than originally scheduled. Students have continued to report access and login issues on social media since the portal opened, although CBSE said its systems remained secure and operational despite the cyber attacks. The portal will stay live till June 6.
 
CBSE told ANI that as of June 4, it had received 70,433 successful applications through its post-result grievance redressal process, including 7,314 requests for verification of marks and 63,119 applications for re-evaluation.
 
Before the portal went live, CBSE said it carried out emergency security-hardening measures, including penetration testing, vulnerability assessments and load testing. The Board said the platform was activated at around 4.30 am on June 2 only after completing security checks, and faced nearly 1.5 million access requests within two minutes of launch, along with more than 100,000 unauthorised access attempts that were detected and blocked by its security systems.
 

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First Published: Jun 05 2026 | 9:51 PM IST

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