US hacking charges a 'serious problem' for China: analyst The United States on Monday charged five members of a shadowy Chinese military unit for allegedly hacking US companies for trade secrets, infuriating Beijing which suspended cooperation on cyber issues. Analyst James Lewis says Washington's move sends a strong message to Beijing that this is a "serious problem" in the bilateral relationship, and one that could lead to additional measures. IMAGES AND SOUNDBITES from a senior fellow at the Center for Strategic and International Studies.