eMudhra to exit website security certification business, shares tank 20%

EMudhra's shares fell 20% to hit the lower circuit at Rs 345.25 on the BSE after the certificate authority disclosed that eight of its issuing CAs were created with weaker keys that could potentially be reverse-engineered using AI-assisted techniques, prompting its board to voluntarily withdraw from the global SSL and TLS certificate business. The company said the exit reflects low returns and rising complexity, with the business contributing 1% of global revenue, and certificates were revoked within 14 hours. India's Ministry of Electronics and IT (MeitY) has constituted a special team to investigate the security incident at eMudhra.

Quick summary - click for full details Concise summary of key highlights In one line eMudhra exits its website security certification business and its shares tank 20 per cent following the discovery of weaker security keys. Key points • Security Vulnerability Discovered Eight of eMudhra's issuing CAs were created with weaker keys that could potentially be reverse-engineered using AI-assisted techniques. • Voluntary Business Exit Following the incident, eMudhra's board decided to voluntarily withdraw from the global SSL and TLS certificate business due to low returns and rising complexities. • Market Impact The company's shares tanked 20 per cent to hit the lower circuit on the BSE following the announcement. • Government Investigation The Ministry of Electronics and IT MeitY has constituted a special team to investigate the security incident at eMudhra. Key statistics 20 per cent Share price drop Rs 345.25 Lower circuit share price 14 hours Revocation timeframe 1 per cent Global revenue contribution Processed with AI. Reviewed by DH Digital Team. eMudhra logo screen-grab of the official website . Published 22 October 2026, 20:46 IST