Addressing Image Spam
From: The Essentials Series: IT Compliance - Volume II
By: Rebecca Herold
What Is Image Spam?
Have you noticed an increasingly large number of email messages coming into your inbox that have the text information imbedded within graphic images? Some of the most common types are those represented in Figure 1.
Figure 1.
Why has image spam become so popular? Because it is sneaky and effective for the spammers. Image spam defeats most spam filters. The clever spammers are fooling most spam filters by putting graphical text within an image so that the system doing the filtering just sees code, not the letters and numbers the recipient sees within the graphic.
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