Notification on recent suspicious activity – AMEX Fraud

The latest twist on American Express Phishing fraud emails is making the rounds with a subject/sender typically seen as:

Subject:     Notification on recent suspicious activity
From:     American Express <>

The sending address is spoofed, and the spammer goes one step further, injecting a false “received header” entry to try and convince spam software and/or unsophisticated users into believing the email really did come from an AMEX server.

‘from (unknown []) by (Postfix) with SMTP id E63984F20261 for <>; Sun, 2 Jan 2011 06:17:14 -0800 (PST)’

In reality, resolves to: “”  which is some sort of shared hosting system based in Walnut, CA.

The bogus email itself tells users there is reason to believe their accounts have been accessed by some “unauthorized third party” and implores the recipient to “click here to complete the verification process.”

Notification on recent suspicious activity

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As can be expected, the actual link most assuredly does not take you to an American Express server, but instead to faked “login pages” that are used to steal users login and passwords.

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