Gartner Research

情報漏洩対策:データ分類を実行する際のヒント

Published: 23 August 2022

Summary

情報漏洩対策においてデータ分類に関心が高まりつつあるが、企業のデータの多くは構造化されていないフォーマットで保存されており、手動で分類するには手間がかかる。セキュリティ/リスク・マネジメントのリーダーは、従来型のデータ分類アプローチに代わる選択肢を理解し、データ・セキュリティ・ガバナンスに対処していく必要がある。

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要約

主要な所見
  • 手動によるデータ分類アプローチでは、ヒューマン・エラーやユーザーの意識向上のトレーニング不足が原因で、データが正しく分類されなくなる可能性がある。

  • ユーザーがデータにラベルやタグを付けていても、そうしたラベルは表面的であって単一の目的にしか役に立たず、増え続ける規制関連のデータ制御に対応するための十分なコンテキストを提供できない。

推奨事項

効果的なデータ分類プログラムを導入するために、データ・セキュリティを担当するセキュリティ/リスク・マネジメント (SRM) のリーダーは以下を実行する。

  • データ分類をセキュリティ・プログラムの1つとして確立する。その際には、重点を、ユーザーの意識向上およびトレーニングから、自動化やメタデータを生成するエンリッチ・ツールに移す。

  • データ分類アプローチをディスカバリ・フェーズ、データ・エンリッチ・フェーズ、制御フェーズに分割することによって、さらに詳細化し、次元を拡張する。

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Analysts:

Kaoru Yano

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