Wednesday, September 19, 2012

A Look at Mail Patterns from Legitimate Webmail Sources

<p>For many years, I have tracked spam from botnets and reported on it. I have analyzed those botnets' distribution patterns by number of IPs, number of messages per email envelope and geographical distribution.</p><p>While spam from botnets is interesting, and the main source of spam, it is not the only source of spam. What about spam that originates from the MAGY sources?</p><p>MAGY stands for Microsoft (Hotmail/Outlook.com), AOL, Google (Gmail) and Yahoo. Spammers create botnets that go out, sign up for accounts on these services and then send spam from them. This continues until the service shuts them down.</p><p>Spammers also compromise legitimate MAGY users' accounts. Whatever method they use to acquire the password to these accounts, they subsequently log in and send spam until the user notices and changes their password.</p><p><a href="http://www.circleid.com/posts/20120919_a_look_at_mail_patterns_from_legitimate_webmail_sources/">Keep reading...</a></p>

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