[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-09-04。"],[[["\u003cp\u003ePolicy Intelligence provides tools to help understand service account usage in your projects.\u003c/p\u003e\n"],["\u003cp\u003eThese tools help answer when a specific service account or key was last used for authentication.\u003c/p\u003e\n"],["\u003cp\u003eThese tools also identify which service accounts haven't been used in the past 90 days.\u003c/p\u003e\n"],["\u003cp\u003eCloud Monitoring offers long-term service account usage metrics to identify anomalies.\u003c/p\u003e\n"],["\u003cp\u003eEvent Threat Detection alerts you when dormant service accounts, inactive for over 180 days, are used.\u003c/p\u003e\n"]]],[],null,["# Tools to understand service account usage\n\n[Policy Intelligence](/policy-intelligence/docs/service-account-usage-tools) offers several tools to help you\nunderstand service account usage in your projects. These tools can help you\nanswer the following questions:\n\n- When was the last time that a specific service account or key was used to authenticate?\n- Which service accounts in my project have not been used in the past 90 days?\n\nOther Google Cloud products offer tools to help you recognize suspicious\nservice account activity:\n\n- [Cloud Monitoring](/iam/docs/service-account-monitoring) provides long-term usage metrics for service accounts and keys that you can use to detect anomalies.\n- [Event Threat Detection](/security-command-center/docs/concepts-event-threat-detection-overview) reports when dormant service accounts trigger actions. Dormant service accounts are service accounts that have been inactive for more than 180 days.\n\nTo learn more about these tools and their intended uses, see [Tools to\nunderstand service account usage](/policy-intelligence/docs/service-account-usage-tools) in the\nPolicy Intelligence documentation."]]