New Delhi, June 5 -- Central Board of Secondary Education (CBSE) on Friday filed a complaint with the Delhi Police regarding a series of "coordinated and sophisticated cyber attacks" on its post-result services portal.

The portal was launched on June 2, after a delay of nearly four days, for verification and re-evaluation of answer scripts after lakhs of students complained about discrepancies in the CBSE's newly introduced digital marking system.

In a statement, the board has alleged that disruptions in the platform were caused by attacks involving large volumes of "malicious traffic originating from multiple IP addresses within and outside the country."As the national board approached the Intelligence Fusion & Strategic Operations (IFSO...