The U.S. and its allies are reeling from the leak of 100 intelligence documents pertaining to Russia's war in Ukraine—and no one has any idea who is responsible.
The leaked documents appeared on Discord over a month ago but only recently attracted notice from the government and the media. They contain classified information about Russian troop movements. Officially, the Ukrainians don't appear worried about the leak, but other key U.S. allies—Canada, the United Kingdom, Australia, and New Zealand, which along with the U.S. are known as the Five Eyes—raised concerns about the trustworthiness of U.S. intelligence channels. According to Politico:
