New Delhi, Oct. 22 -- Bengaluru-based eMudhra Ltd generated the secret keys for eight security certificates -- the digital identity cards websites use to prove who they are -- so poorly that anyone could have worked them out in seconds, prompting major browser makers Google, Mozilla, Apple and Microsoft to block the certificates. With the weak keys, anyone could have issued certificates for websites worldwide, including banks and government portals, which browsers, phones and computers would have accepted as genuine. There is no evidence yet that the keys were misused, and the major browsers had a safeguard that would have exposed any attempt against their users. The Centre has set up a special team to probe the issue, which experts described as a blow to "global internet's chain of trust". P2...