CBSE lodged a complaint with Delhi Police’s IFSO unit over coordinated cyberattacks on its post-result services portal, used for verification and re-evaluation requests. The board said the attacks were mitigated and no data breach was detected. Sarthak Sidhant, the student who flagged flaws in CBSE's On-Screen Marking (OSM) system, posted on X, “Just use Cloudflare bro.”