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收到如下Optus短信, "We're advising you that Optus has been a victim of a cyberattack resulting in the disclosure of your personal information, which is your name, date of birth, email, phone number, account address, and the number of the ID document you provided us. Importantly, no financial information or passwords have been accessed. Further information can be found on the Optus website or My Optus app." 请问，真的吗？该做些什么？ |
