But he immediately saw that the same feature, which allows an application to monitor when other applications launch, could also insert a look-alike login screen, just as a phishingwebsite would.
Technology website Neowin.net said that Windows Live Hotmail was part of a possible phishing hack, and that an anonymous user posted details of the accounts on developer site pastebin.com last Thursday.
Phishing attacks involve messages that look like they come from a bank or other organisation and direct people to a website that mimics the real thing.