On June 2, 2026, published accounts indicated that official briefings and market data framed the episode for readers following June headlines. CBSE said on June 2, 2026 that malicious actors attempted to disrupt its Class 12 re-evaluation portal through cyberattacks.
The same reports noted that the board reported a denial-of-service attempt generating about 1.5 million hits within two minutes and more than one lakh unauthorised file-access attempts. Despite the attacks, the portal handled thousands of concurrent users and processed more than 16,000 student submissions by afternoon.
Further context from the day indicated the re-evaluation window opened on June 2 after a delayed launch and runs through June 6 for verification and re-evaluation requests.
Next procedural dates were not immediately revised in initial statements.
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Sources:
https://www.thehindu.com/news/cbse-portal-cyberattack