<ul><li>JPMorgan Chase and Bank of New York Mellon have scaled back electronic information sharing with the Office of the Comptroller of the Currency (OCC) following a significant breach of the regulator’s email system.</li><li>The breach, detected in mid-February, impacted over 100 accounts for more than a year and is considered a 'major incident.'</li><li>Banks' concerns about potential security risks to their own computer networks led to the decision to limit information sharing.</li><li>The breach has raised questions about the OCC's initial response and security measures, drawing scrutiny from U.S. congressional committees.</li></ul>

Report: OCC Hack Prompts Information Sharing Limits From Big Banks

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