The top cyberattacks that disrupted productivity and caused significant losses
The answer depends on what counts as a cost. A global computer worm can generate billions of dollars in estimated cleanup and lost productivity across many organizations. A breach at one company produces a narrower, often better-documented bill. The ranking below uses commonly cited nominal dollar estimates to compare both kinds of attack. It is a guide to their reported economic scale, not an audited league table: estimates for older worms are especially uncertain, and the figures have not been adjusted for inflation.1. MyDoom: approximately $38 billionFirst detected in 2004, MyDoom spread through email attachments and infected computers at remarkable…




