New York Times says 1.2 billion usernames and passwords were hacked by Russians . Hold Security , the company that found this hack , may have a commercial interest in this reaction . The hackers used a technique called spear phishing to trick users into giving up their passwords. He says company that found the hack may have a commercial interest in the reactions . Wisniewski : Of course , it 's always good practice to use strong passwords .
New York Times says 1.2 billion usernames and passwords were hacked by Russians . The hackers used a technique called spear phishing to trick users into giving up their passwords. He says company that found the hack may have a commercial interest in the reactions . Wisniewski : Of course , it 's always good practice to use strong passwords .