CNN: Web site provided access to millions of Hotmail messagesAug 30, 1999, 16:10 (8 Talkback[s])
[ Thanks to theHippo for this link. ]
"Millions of free Internet e-mail accounts provided by Microsoft's Hotmail service were susceptible to a major security breach that allowed access Monday to users' accounts."
"The breach worked via a simple Web address which prompted for a Hotmail username. Once the username was entered, the Hotmail account came up and the mailbox was available."
"The hack opened all accounts tested by CNN Interactive..."