Axios reports:

U.S. officials are extremely concerned about a potentially major security breach after two alleged U.S. intelligence documents about Israel’s preparations for an attack on Iran were published by a Telegram account affiliated with Iran.

Why it matters: The alleged leak comes as Israel completes weeks of preparations for a retaliation against Iran, which attacked Israel with a barrage of ballistic missiles on Oct. 1.

• The leak could be an attempt to disrupt the Israeli operation.
• The Pentagon and the Office of the Director of National Intelligence declined to comment on the leaked documents, but did not dispute their authenticity.

Driving the news: A Telegram channel by the name “Middle East Spectator” claimed on Friday that it had received documents from a source in the U.S. intelligence community about Israel’s preparations for an attack on Iran. [Continue reading…]

CNN adds:

The leak comes at an extremely sensitive moment in US-Israeli relations and is bound to anger the Israelis, who have been preparing to strike Iran in response to Iran’s missile barrage on October 1. One of the documents also suggests something that Israel has always declined to confirm publicly: that the country has nuclear weapons. The document says the US has not seen any indications that Israel plans to use a nuclear weapon against Iran. [Continue reading…]