Security research discovers a bug in the encryption technology used by two-thirds of the Web . `` Heartbleed '' could put people 's personal passwords , e-mails and financial information at risk . Cybercriminals could exploit the bug to access visitors ' personal data as well as a site 's cryptographic keys , which can be used to impersonate that site and collect even more information . The vulnerability was discovered on Monday morning when researchers from security firm Kryptos Labs noticed that some websites were using an outdated version of OpenSSL software to encrypt their data.
Security research discovers a bug in the encryption technology used by two-thirds of the Web . `` Heartbleed '' could put people 's personal passwords , e-mails and financial information at risk . The vulnerability was discovered on Monday morning when researchers from security firm Kryptos Labs noticed that some websites were using an outdated version of OpenSSL software to encrypt their data.