Pornographic Image Spam

September 24th, 2007 by Rebecca Herson | Category: Spam Favorites | Leave a comment »

Image spam on the whole is on the decline, and stock pump-and-dump has all but disappeared. But image spam hasn’t been eliminated altogether. Lately our spam detection center has seen a significant increase in pornographic image spam (the URLs are part of the picture), as well as “cut” image spam. The cut images appear to [...]

Accuracy vs. Speed in Spam Detection

January 31st, 2007 by Batya | Category: Email Security | 1 Comment »

Terry Zink proposes a Two-Point spam filtering program on his anti-spam blog. The system would use a large pool of end-users to classify messages as spam/non-spam and then feed those classifications into a Bayesian filter to train it to recognize spam. He claims the system would be fast, but suffer from inaccuracy. Seems to me [...]