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 . Many major websites including Google , Facebook , Yahoo and Amazon have said they 've taken steps to secure their sites . But the bug will only work by individual sites and the people who use them .
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 .