Not news: Iran is already cheating on the nuclear agreement it signed with the United States. That's been both expected and obvious since the day the agreement was signed, since it was clear from the word go that the Obama Administration would have no interest in ensuring compliance nor in imposing sanctions for noncompliance.
News: German intelligence has the details, and they're extensive and explicit, and several Republican U.S. senators are doing what they can to hold the administration accountable for its negligence on the matter. Here's the meat of a letter sent to Secretary of State John Kerry by Senators David Perdue (R-GA), Johnny Isakson (R-GA), Mark Kirk (R-IL), Lisa Murkowski (R-AK), Ted Cruz (R-TX), Bill Cassidy (R-LA), Orrin Hatch (R-UT), and Jim Inhofe (R-OK) that details what was found, and demands to know why nothing is being done about it: