Irvine-based Specific Media, the operator of one of the largest Internet advertising networks, has been sued over its use of Flash to recreate tracking cookies on computer browsers. The lawsuit, filed in the California Central District court, claims the firm has violated comptuer intrusion laws through the use of Adobe's Flash to recreate tracking cookies deleted by users. Details of the lawsuit were reported by Wired Tuesday. The lawsuit was filed by a privacy attorney, who also has similar lawsuits against Disney, Demand Media, and others.