IBM thinks Siri will leak confidential information so its had it disabled it on staff iPhones.

Chinese network equipment supplier Huawei has reversed its stance and has accepted a U.S. panel's recommendation to voluntarily divest from a business acquisition that had drawn national security concerns.

Bain Capital Partners and China's Huawei Technologies have abandoned their bid to buy U.S. networking firm 3Com because of security concerns by the U.S. government, Bain said.