TimThumb Attacks: The Scale of Legacy Malware Infections

TimThumb Attacks: The Scale of Legacy Malware Infections

These days, we consider a malware campaign massive if it affects a couple thousand websites. However, back in the day when Sucuri first started its operations, the scale of infections was significantly larger — and it was quite typical to see hundreds of thousands of websites affected by the same malware.

This was mostly because early versions of CMS’ were not very secure but already popular enough to power millions of websites. Extension developers also didn’t bother much about security.

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Story added 29. August 2019, content source with full text you can find at link above.