In 2369, Quark used two isolinear rods to pass the security clearance five to get access to a station layout of Deep Space 9's command level. (DS9: "Babel") The same year the senior staff of Deep Space 9 tried to download all the data from "Pup" onto six isolinear rods. (DS9: "The Forsaken") In late 2369/early 2370, a freighter operated by Subytts was involved in smuggling defective isolinear rods to Bajor. (DS9: "The Homecoming") In times of heightened security aboard Cardassian ships, isolinear rod banks could be protected by an anti-personnel force field. (VOY: "Dreadnought")