CBSE OSM portal glitch: 19‑Year‑Out‑Of‑School Hacks CBSE. A 19‑year‑old security researcher, Nisarga Adhikary, claims he discovered critical vulnerabilities in CBSE’s On‑Screen Marking (OSM) portal that could allow unauthorised access to examiner accounts and alteration of student marks. He reported the issues to CERT‑In in February 2026; days after public attention, the portal was taken offline … Continue reading CBSE OSM portal glitch: 19‑Year‑Out‑Of‑School Hacks CBSE