Hotmail accounts breached by suspected phishing attack - Business Center - PC World

More than 10,000 compromised Hotmail accounts were posted online this morning by attackers to demonstrate their success in capturing the sensitive information. The credentials displayed, including the username and password combination necessary to access the account, included accounts starting with letters ‘A' and ‘B' in alphabetical order.

There were approximately 5,500 accounts displayed for each letter. Assuming the attackers have a similar number of accounts for each letter of the alphabet, it suggests a total number of compromised accounts somewhere around 143,000...