WASHINGTON (AP) — U.S. officials on Thursday said two alleged Chinese hackers carried out an extensive campaign on behalf of Beijing's main intelligence agency to steal trade secrets and other information from government agencies and "a who's who" of major corporations in the United States and nearly a dozen other nations.

The indictment is the latest in a series of Justice Department criminal cases targeting Chinese cyberespionage and coincided with an announcement by Britain blaming China's Ministry of State Security for trade-secret pilfering affecting Western nations.

The alleged hackers,...