Google Security Operations は、事前構築済みパーサーを使用して、統合データモデル(UDM)スキーマを使用してログデータを抽出して構造化します。これらのパーサーの管理とメンテナンスは、不完全なデータ抽出、管理するパーサー数の増加、ログ形式の進化に伴う頻繁な更新の必要性など、いくつかの制限があるため、困難な場合があります。
[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["わかりにくい","hardToUnderstand","thumb-down"],["情報またはサンプルコードが不正確","incorrectInformationOrSampleCode","thumb-down"],["必要な情報 / サンプルがない","missingTheInformationSamplesINeed","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-04-02 UTC。"],[[["Auto extraction is a feature in Google SecOps that automatically extracts key-value pairs from JSON-formatted logs, storing them in a UDM map-type field called `extracted`."],["This feature reduces reliance on prebuilt parsers and ensures data availability even when a specific parser is absent or fails."],["Auto extraction enhances the ability to ingest, process, and analyze data, which is then searchable through UDM queries, Preview Dashboards, and YARA-L rules."],["UDM searches using extracted fields should include `metadata.log_type` to optimize search query performance."],["The process includes parsing logs, extracting data, enriching events with parsed and custom fields, and then transferring this data downstream for analysis."]]],[]]