A federal judge in Washington, D.C., today, unsealed two separate indictments that allege Chinese nationals Yin Kecheng, 38, (尹 可成) a/k/a “YKC” (“YIN”) and Zhou Shuai, 45, (周帅) a/k/a “Coldface” (“ZHOU”) violated various federal statutes by participating in years-long, sophisticated computer hacking conspiracies that successfully targeted a wide variety of U.S.-based victims