India, June 5 -- The Central Board of Secondary Education's (CBSE) re-evaluation portal was targeted by a large-scale cyberattack involving nearly 3.8 million malicious packets on June 3 in an attempt to disrupt the ongoing verification and re-evaluation process, a board official has said.

Within minutes of becoming operational on June 2, the portal blocked over 100,000 unauthorised access attempts, an official said. Several coordinated high-volume traffic bursts resembling Distributed Denial-of-Service (DDoS) attacks were mitigated by the security systems.

A formal complaint in the matter has now been lodged with Delhi Police. "CBSE lodges complaint with Delhi Police regarding coordinated cyber attacks on its Post-Result Services Porta...