Article content LONDON — France’s Thales is working on a plan to buy the cybersecurity business of IT consultancy group Atos, sources told Reuters, in a potential $3 billion tie-up likely to test the political determination for shoring up France’s digital defenses. Thales, which ranks as Europe’s largest defense electronics company, and its adviser Centerview Partners have approached several private equity firms including Bain Capital to explore a possible joint offer as part of a deal that would involve a complex break-up of Atos, the sources said. Advertisement This advertisement has not loaded yet, but your article continues below. Article...