A computer screen cyberattack warning notice reportedly holding computer files to ransom, as part of a massive international cyberattack, at an office in Kiev, Ukraine, Tuesday June 27, 2017.
A computer screen cyberattack warning notice reportedly holding computer files to ransom, as part of a massive international cyberattack, at an office in Kiev, Ukraine, Tuesday June 27, 2017. Oleg Reshetnyak AP
A computer screen cyberattack warning notice reportedly holding computer files to ransom, as part of a massive international cyberattack, at an office in Kiev, Ukraine, Tuesday June 27, 2017. Oleg Reshetnyak AP