Image Spam: Understanding How it Works

Image Spam: Understanding How it Works

Image spam has become the "delivery of choice" by new-school spammers. Why? It’s difficult to detect and can bypass the older-school forms of spam filtering and in the ongoing competition for viewing, he who’s spam is most viewed wins.

This great article explains the most common forms of image spam, how it’s designed down to the finest detail to prevent detection and how some OCR software used to detect image spam is color-blind and the spammers have determined how to use this simple limitation to their advantage.

5 Reader Comments
to “Image Spam: Understanding How it Works”
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  4. Inspector Grammar ON

    he whose spam is most viewed wins
    not
    he who’s spam is most viewed wins

  5. Big surprise: it boils down to trust / identity knowledge. Fortunately its not yet a thought crime to utter mentions of PGP. I’d give you some better ideas but then the Alarmingness Plague ™ would spread
    P.S. Speaking of security.. I don’t trust you so NoScript is doing its job.. way to go by forcing CAPTCHA then denying post AFTER all the hoops by only then noticing NoScript in action

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