部分信用卡被盗刷，浦发银行凌晨公告

Group 1 - The core viewpoint of the article emphasizes the proactive measures taken by Shanghai Pudong Development Bank's credit card center in response to unauthorized transactions detected on certain Mastercard cards [1][3] - The bank has initiated an emergency response in collaboration with Mastercard to promptly identify and block the risks associated with these unauthorized transactions [1] - The bank prioritizes customer card security and aims to protect customers from bearing any undue losses, ensuring the protection of their legitimate rights [3] Group 2 - The credit card center encourages customers to reach out with any inquiries, providing a 24-hour service hotline for both domestic and international customers [3]