Detailed text transcripts for TV channel - MSNBC - 20181231:16:54:00
A unique password for every account and never reuse passwords across sites. download a passenger on your desktop or phone. >> you save a password manager, you never have to remember one except the one that opens your password manager. >> check your bank and credit card statements for signs of fraud. >> now, gary rerett, they said came outside of the u.s. any idea who's responsible? >> reporter: when we talk to security experts, they say attacks like this against big companies tend to be done by actors who are either associated with a country or backed up by another country but so far, no word ...