The Trump campaign announced on Saturday that its internal communications were compromised in a cyberattack by what it described as a “hostile foreign entity.” The campaign said the breach was from “foreign sources hostile to the United States,” citing a recent Microsoft intelligence report that linked the attack to hackers affiliated with the Iranian armed forces. According to the Microsoft report, the hackers sent a spear-phishing email in June to a high-ranking official of a presidential campaign, which the Trump campaign alleges targeted them. The stolen information was reportedly shared w…