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Dokumen ini menjelaskan jenis temuan ancaman di Security Command Center. Temuan ancaman dibuat oleh
pendeteksi ancaman saat mendeteksi
potensi ancaman di resource cloud Anda. Untuk daftar lengkap temuan ancaman yang tersedia, lihat Indeks temuan ancaman.
Ringkasan
Kunci metadata instance Compute Engine ssh-keys diubah pada instance
yang dibuat lebih dari tujuh hari yang lalu.
Cara merespons
Rencana respons berikut mungkin sesuai untuk temuan ini, tetapi juga dapat memengaruhi operasi.
Evaluasi dengan cermat informasi yang Anda kumpulkan dalam penyelidikan untuk menentukan cara terbaik dalam menyelesaikan temuan.
Untuk menanggapi temuan ini, lakukan hal berikut:
Verifikasi apakah perubahan dilakukan secara sengaja oleh anggota, atau apakah perubahan tersebut diterapkan oleh penyerang untuk memperkenalkan akses baru ke organisasi Anda.
[[["Mudah dipahami","easyToUnderstand","thumb-up"],["Memecahkan masalah saya","solvedMyProblem","thumb-up"],["Lainnya","otherUp","thumb-up"]],[["Sulit dipahami","hardToUnderstand","thumb-down"],["Informasi atau kode contoh salah","incorrectInformationOrSampleCode","thumb-down"],["Informasi/contoh yang saya butuhkan tidak ada","missingTheInformationSamplesINeed","thumb-down"],["Masalah terjemahan","translationIssue","thumb-down"],["Lainnya","otherDown","thumb-down"]],["Terakhir diperbarui pada 2025-09-05 UTC."],[],[],null,["| Premium and Enterprise [service tiers](/security-command-center/docs/service-tiers)\n\nThis document describes a threat finding type in Security Command Center. Threat findings are generated by\n[threat detectors](/security-command-center/docs/concepts-security-sources#threats) when they detect\na potential threat in your cloud resources. For a full list of available threat findings, see [Threat findings index](/security-command-center/docs/threat-findings-index).\n\nOverview\n\nThe `ssh-keys` Compute Engine instance metadata key was changed on an instance\nthat was created more than seven days ago.\n\nHow to respond\n\n\nThe following response plan might be appropriate for this finding, but might also impact operations.\nCarefully evaluate the information you gather in your investigation to determine the best way to\nresolve findings.\n\nTo respond to this finding, do the following:\n\n1. Verify whether the change was done intentionally by a member, or if it was implemented by an adversary to introduce new access to your organization.\n2. Check logs using the following filters:\n\n ```\n protopayload.resource.labels.instance_id=INSTANCE_ID\n protoPayload.serviceName=\"compute.googleapis.com\"\n (protoPayload.metadata.instanceMetaData.addedMetadataKey : \"ssh-keys\" OR protoPayload.metadata.instanceMetaData.modifiedMetadataKey : \"ssh-keys\" )\n logName=\"organizations/ORGANIZATION_ID/logs/cloudaudit.googleapis.com%2Factivity\n ```\n\n Replace the following:\n - \u003cvar translate=\"no\"\u003eINSTANCE_ID\u003c/var\u003e: the `gceInstanceId` listed in the finding\n - \u003cvar translate=\"no\"\u003eORGANIZATION_ID\u003c/var\u003e: your organization ID\n3. Research events that trigger this finding:\n\n - **MITRE:** \u003chttps://attack.mitre.org/techniques/T1098/004/\u003e\n\nWhat's next\n\n- Learn [how to work with threat\n findings in Security Command Center](/security-command-center/docs/how-to-investigate-threats).\n- Refer to the [Threat findings index](/security-command-center/docs/threat-findings-index).\n- Learn how to [review a\n finding](/security-command-center/docs/how-to-investigate-threats#reviewing_findings) through the Google Cloud console.\n- Learn about the [services that\n generate threat findings](/security-command-center/docs/concepts-security-sources#threats)."]]
