Their union is demanding an apology for the 'cynical and shocking' stunt.
Typing in a code or tapping on a prompt adds another level of security to your accounts.
It's a tale that could have been pulled straight from '90s science fiction.
New Zealanders say they feel more vulnerable to hacking and identity theft, too.
"The US government discovered and notified Microsoft Corp on these vulnerabilities."
If you're information was stolen from Facebook, it's not going to tell you about it.
"Cyber attackers are opportunistic and use anything topical as a hook to try and trick people."
Online gamers do face extra risks, but an antivirus service made for them may be viewed with suspicion.
Cyber crime victims lost $6.4 million in the three months to September.