<h2>ServiceNow Access Analyzer ツール概要</h2><br/><div style="overflow-x:auto"><p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="font-size: 18pt; color: rgb(41, 62, 64);">はじめに</span></strong></span></p> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><span style="color: rgb(27, 27, 27);">ServiceNow</span><span style="color: rgb(27, 27, 27);">の</span><span style="color: rgb(27, 27, 27);">Access Analyzer</span><span style="color: rgb(27, 27, 27);">は、アクセス問題を診断する強力なツールです。このツールを使用することで、従来複雑で時間のかかっていた</span><span style="color: rgb(27, 27, 27);">ACL</span><span style="color: rgb(27, 27, 27);">（</span><span style="color: rgb(27, 27, 27);">Access Control List</span><span style="color: rgb(27, 27, 27);">）やその他のアクセス関連問題のトラブルシューティングを大幅に簡素化できます。</span></span></p> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="font-size: 18pt; color: rgb(41, 62, 64);">Access Analyzer</span></strong><strong><span style="font-size: 18pt; color: rgb(41, 62, 64);">とは</span></strong></span></p> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><span style="color: rgb(27, 27, 27);">Access Analyzer</span><span style="color: rgb(27, 27, 27);">は、ユーザー、ロール、グループの権限を可視化し、アクセス権限の問題を迅速に特定・解決するための</span><span style="color: rgb(27, 27, 27);">ServiceNow</span><span style="color: rgb(27, 27, 27);">標準機能です。セキュリティ管理者、システム管理者、開発者が日常的に直面するアクセス権限の課題を効率的に解決できます。</span></span></p> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="font-size: 18pt; color: rgb(41, 62, 64);">主要機能と設定</span></strong></span></p> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="font-size: 13.5pt; color: rgb(41, 62, 64);">1. Evaluate Access</span></strong><strong><span style="font-size: 13.5pt; color: rgb(41, 62, 64);">（アクセス評価）</span></strong></span></p> <ul style="margin-bottom: 0cm; margin-top: 0px; list-style-position: inside;" type="disc"><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong>機能</strong>: 特定のユーザー、ロール、またはグループが持つリソースへのアクセス権限を詳細に分析</span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong>設定</strong>: Navigator > System Security > Access Analyzer > Evaluate Access</span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong>活用ポイント</strong>: ユーザーが特定のテーブルやレコードにアクセスできない理由を瞬時に特定</span></li></ul> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="font-size: 13.5pt; color: rgb(41, 62, 64);">2. Compare Access</span></strong><strong><span style="font-size: 13.5pt; color: rgb(41, 62, 64);">（アクセス比較）</span></strong></span></p> <ul style="margin-bottom: 0cm; margin-top: 0px; list-style-position: inside;" type="disc"><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong>機能</strong>: 2人のユーザー間のアクセス権限を詳細比較</span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong>設定</strong>: Navigator > System Security > Access Analyzer > Compare Access</span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong>活用ポイント</strong>: 同じ職務の従業員間でアクセス権限の整合性を確認</span></li></ul> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="font-size: 13.5pt; color: rgb(41, 62, 64);">3. Access Simulator</span></strong><strong><span style="font-size: 13.5pt; color: rgb(41, 62, 64);">（アクセスシミュレーション）</span></strong></span></p> <ul style="margin-bottom: 0cm; margin-top: 0px; list-style-position: inside;" type="disc"><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong>機能</strong>: ロールやグループの追加・削除による影響をシミュレーション</span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong>設定</strong>: Navigator > System Security > Access Analyzer > Access Simulator</span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong>活用ポイント</strong>: 権限変更前に影響範囲を事前確認</span></li></ul> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="font-size: 18pt; color: rgb(41, 62, 64);">実践的なユースケース例</span></strong></span></p> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="font-size: 13.5pt; color: rgb(41, 62, 64);">ケース</span></strong><strong><span style="font-size: 13.5pt; color: rgb(41, 62, 64);">1: ACL</span></strong><strong><span style="font-size: 13.5pt; color: rgb(41, 62, 64);">トラブルシューティング</span></strong></span></p> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="color: rgb(27, 27, 27);">問題</span></strong><span style="color: rgb(27, 27, 27);">: </span><span style="color: rgb(27, 27, 27);">「ユーザー</span><span style="color: rgb(27, 27, 27);">A</span><span style="color: rgb(27, 27, 27);">がインシデントレコードを更新できない」</span></span></p> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="color: rgb(27, 27, 27);">解決手順</span></strong><span style="color: rgb(27, 27, 27);">:</span></span></p> <ol style="margin-bottom: 0cm; margin-top: 0px; list-style-position: inside;" start="1" type="1"><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Access Analyzer > Evaluate Accessを選択</span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">対象ユーザーとincidentテーブルを指定</span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">結果画面でwrite権限の不足を確認</span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">必要なロールを特定し付与</span></li></ol> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="font-size: 13.5pt; color: rgb(41, 62, 64);">ケース</span></strong><strong><span style="font-size: 13.5pt; color: rgb(41, 62, 64);">2: </span></strong><strong><span style="font-size: 13.5pt; color: rgb(41, 62, 64);">新入社員のアクセス権限設定</span></strong></span></p> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="color: rgb(27, 27, 27);">問題</span></strong><span style="color: rgb(27, 27, 27);">: </span><span style="color: rgb(27, 27, 27);">「新入社員</span><span style="color: rgb(27, 27, 27);">B</span><span style="color: rgb(27, 27, 27);">に既存社員</span><span style="color: rgb(27, 27, 27);">C</span><span style="color: rgb(27, 27, 27);">と同じアクセス権限を付与したい」</span></span></p> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="color: rgb(27, 27, 27);">解決手順</span></strong><span style="color: rgb(27, 27, 27);">:</span></span></p> <ol style="margin-bottom: 0cm; margin-top: 0px; list-style-position: inside;" start="1" type="1"><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Compare Accessで既存社員Cの権限を分析</span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">新入社員Bとの権限差分を確認</span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">不足している権限を特定し適切に付与</span></li></ol> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="font-size: 13.5pt; color: rgb(41, 62, 64);">ケース</span></strong><strong><span style="font-size: 13.5pt; color: rgb(41, 62, 64);">3: </span></strong><strong><span style="font-size: 13.5pt; color: rgb(41, 62, 64);">セキュリティ監査対応</span></strong></span></p> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="color: rgb(27, 27, 27);">問題</span></strong><span style="color: rgb(27, 27, 27);">: </span><span style="color: rgb(27, 27, 27);">「特定の機密テーブルにアクセス可能なユーザーを特定したい」</span></span></p> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="color: rgb(27, 27, 27);">解決手順</span></strong><span style="color: rgb(27, 27, 27);">:</span></span></p> <ol style="margin-bottom: 0cm; margin-top: 0px; list-style-position: inside;" start="1" type="1"><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Evaluate Accessで機密テーブルを指定</span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">アクセス可能なロール・ユーザーを一覧表示</span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">不適切なアクセス権限を持つユーザーを特定</span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Access Simulatorで権限削除の影響を事前確認</span></li></ol> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="font-size: 18pt; color: rgb(41, 62, 64);">Access Analyzer</span></strong><strong><span style="font-size: 18pt; color: rgb(41, 62, 64);">の利点</span></strong></span></p> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="font-size: 13.5pt; color: rgb(41, 62, 64);">従来の方法</span></strong><strong><span style="font-size: 13.5pt; color: rgb(41, 62, 64);"> vs Access Analyzer</span></strong></span></p> <table class="MsoNormalTable" style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0"><thead><tr><td style="padding: .75pt .75pt .75pt .75pt;"> <p style="margin: 0cm; line-height: normal; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="color: rgb(27, 27, 27);">従来の方法</span></strong></span></p> </td><td style="padding: .75pt .75pt .75pt .75pt;"> <p style="margin: 0cm; line-height: normal; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="color: rgb(27, 27, 27);">Access Analyzer</span></strong></span></p> </td></tr></thead><tbody><tr><td style="padding: .75pt .75pt .75pt .75pt;"> <p style="margin: 0cm; line-height: normal; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><span style="color: rgb(27, 27, 27);">複数の</span><span style="color: rgb(27, 27, 27);">ACL</span><span style="color: rgb(27, 27, 27);">設定を手動確認</span></span></p> </td><td style="padding: .75pt .75pt .75pt .75pt;"> <p style="margin: 0cm; line-height: normal; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif; color: rgb(27, 27, 27);">ワンクリックで権限分析</span></p> </td></tr><tr><td style="padding: .75pt .75pt .75pt .75pt;"> <p style="margin: 0cm; line-height: normal; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif; color: rgb(27, 27, 27);">ロール継承関係の手動追跡</span></p> </td><td style="padding: .75pt .75pt .75pt .75pt;"> <p style="margin: 0cm; line-height: normal; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif; color: rgb(27, 27, 27);">自動的に権限継承を可視化</span></p> </td></tr><tr><td style="padding: .75pt .75pt .75pt .75pt;"> <p style="margin: 0cm; line-height: normal; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif; color: rgb(27, 27, 27);">問題特定に数時間</span></p> </td><td style="padding: .75pt .75pt .75pt .75pt;"> <p style="margin: 0cm; line-height: normal; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif; color: rgb(27, 27, 27);">数分で根本原因を特定</span></p> </td></tr><tr><td style="padding: .75pt .75pt .75pt .75pt;"> <p style="margin: 0cm; line-height: normal; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif; color: rgb(27, 27, 27);">影響範囲の予測困難</span></p> </td><td style="padding: .75pt .75pt .75pt .75pt;"> <p style="margin: 0cm; line-height: normal; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif; color: rgb(27, 27, 27);">シミュレーション機能で事前確認</span></p> </td></tr></tbody></table> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"> </p> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="font-size: 18pt; color: rgb(41, 62, 64);">推奨される活用シナリオ</span></strong></span></p> <ol style="margin-bottom: 0cm; margin-top: 0px; list-style-position: inside;" start="1" type="1"><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong>定期的なアクセス権限監査</strong></span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong>新規ユーザーのオンボーディング</strong></span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong>ロール変更時の影響確認</strong></span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong>セキュリティインシデント調査</strong></span></li><li style="color: rgb(27, 27, 27); line-height: normal; margin-top: 0cm; margin-right: 0cm; margin-bottom: 8pt; font-size: 12pt; font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong>コンプライアンス要件への対応</strong></span></li></ol> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><strong><span style="font-size: 18pt; color: rgb(41, 62, 64);">まとめ</span></strong></span></p> <p style="line-height: normal; margin: 0cm 0cm 8pt; font-size: 12pt; font-family: Aptos, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;"><span style="color: rgb(27, 27, 27);">Access Analyzer</span><span style="color: rgb(27, 27, 27);">は、</span><span style="color: rgb(27, 27, 27);">ServiceNow</span><span style="color: rgb(27, 27, 27);">におけるアクセス権限管理を革新的に改善するツールです。積極的に導入することで大幅な業務効率化とセキュリティ向上を実現できます。特に</span><span style="color: rgb(27, 27, 27);">ACL</span><span style="color: rgb(27, 27, 27);">関連の問題解決において、従来の手動作業から脱却し、迅速かつ正確な問題解決が可能になります。</span></span></p> <p style="margin: 0cm 0cm 8pt; line-height: 115%; font-size: 12pt; font-family: Aptos, sans-serif;"> </p></div>