During the Clone Wars, the Confederacy of Independent Systems launched a series of attacks on the financial world of Circarpous IV. The attacks were an attempt to undermine the Republic economy, just as the Republic tried to undermine the Separatist economy with repeated assaults on Mygeeto.
Sources
Tinker, Tailor, Soldier, Praji on Hyperspace (article) (content obsolete and backup link not available) (First mentioned)