RockYou.com says At least 1.2 billion usernames and passwords were hacked by Russian . Wisniewski : This is not as scary as it seems , carry on . But the hashes bring out the truth of the matter . He says company that found the hack may have a commercial interest in the reactions . Chester Wisniewski : Of course , it 's always good practice to use strong passwords .
RockYou.com says At least 1.2 billion usernames and passwords were hacked by Russian . Wisniewski : This is not as scary as it seems , carry on . He says company that found the hack may have a commercial interest in the reactions . Chester Wisniewski : Of course , it 's always good practice to use strong passwords .