The research discovers a bug in the encryption algorithm used by two - thirds of the sites . ` ` ' '' could put people 's personal passwords , e - mails and financial information at risk . But the bug will only work by individual sites and the people who use them .
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 . Addressing the bug will require work by individual sites and the customers who use them .