Ecuador on Saturday revealed criminal hacking charges against Ola Bini, a computer programmer with ties to recently arrested WikiLeaks founder Julian Assange. “The State Prosecutor General’s Office filed charges against a Swedish citizen, aged 36, for his alleged participation in the crime of assault on the integrity of computer systems,” the agency said in a statement. The announcement did not mention Mr. Bini by name, but it followed reports that he was ordered held for investigative purposes after being detained at a Quito airport Thursday within hours of Ecuador ejecting Mr. Assange from its London embassy. “It’s up to the...