Supervisors from the Federal Reserve and the OCC began phoning U.S. banks to check for service disruptions or unusual activity

From the articleBinance hack spooks US gov't into checking on banks, reportAlso in Fed And OCC Quiz U.S. Banks After $6.3B Binance Hack, US regulators check bank systems after $6.3 billion Binance hack, Fed and OCC phoned banks after Binance hack as cyber rule took effect - Cryptopolitan
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