JP7098000B2 - IoTセキュリティにおけるパターンマッチングベースの検出 - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/20—Network architectures or network communication protocols for network security for managing network security; network security policies in general
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- H—ELECTRICITY
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
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Description
(例えば、非IoTデバイス・メッセージからの)追加データを取得し、かつ、提供しても、また、しなくてもよく、該当する場合に、追加データは、IoTデバイス・イベントツーアクティビティ生成エンジン410へ提供され得る。
Claims (20)
- モノのインターネット(IoT)デバイスの望ましくない挙動を検出する方法であって、前記方法は、
コンピュータシステムのIoTデバイス・アクティビティ・パターンマッチングエンジンが、パターンのスーパーセットについてパターンの第1サブセットを、複数のIoTデバイス・プロファイルの第1IoTデバイス・プロファイルと関連付けるステップと、
前記コンピュータシステムのIoTデバイス・プロファイリングエンジンが、前記第1IoTデバイス・プロファイルを第1IoTデバイスへ帰属させるステップと、
コンピュータシステムのIoTデバイス・イベント検出エンジンが、第1IoTデバイス・イベントを検出するステップであり、前記第1IoTデバイス・イベントは前記第1IoTデバイスの1つ以上のネットワークセッションを含む、ステップと、
コンピュータシステムのIoTデバイス・アクティビティ生成エンジンが、前記第1IoTデバイス・イベントおよびその他のイベントからアクティビティデータ構造を生成するステップと、
前記IoTデバイス・アクティビティ・パターンマッチングエンジンが、前記アクティビティデータ構造に基づいて、前記第1IoTデバイスのアクティビティを決定するステップと、
前記IoTデバイス・アクティビティ・パターンマッチングエンジンが、パターンの前記第1サブセットを前記第1IoTデバイスのアクティビティに対して適用するステップと、
前記IoTデバイス・アクティビティ・パターンマッチングエンジンが、パターンの前記第1サブセットの前記第1IoTデバイスのアクティビティに対する適用が、前記第1IoTデバイスのプロファイルが帰属されるデバイスについて望ましくない挙動を示す場合に、アラートを生成するステップと、
を含む、方法。 - 前記第1IoTデバイスのプロファイルが、前記第1IoTデバイスの展開の以前に、前記第1IoTデバイスへ帰属される、
請求項1に記載の方法。 - 前記第1IoTデバイスのプロファイルが、前記第1IoTデバイスの展開の後で、前記第1IoTデバイスへ帰属される、
請求項1に記載の方法。 - 前記第1IoTデバイス・プロファイルが、前記第1IoTデバイスの展開の後で記第1IoTデバイスに帰属され、かつ、
前記第1IoTデバイス・プロファイルは、利用可能なデータを使用して動的に修正されるデフォルトのIoTデバイス・プロファイルである、
請求項1に記載の方法。 - 前記第1IoTデバイス・イベントは、受動的モニタリングを使用して検出される、
請求項1に記載の方法。 - 前記第1IoTデバイス・イベントは、前記第1IoTデバイスに対して、または、前記第1IoTデバイスから、送信されるメッセージ内のパケットヘッダを使用して検出される、
請求項1に記載の方法。 - 前記第1IoTデバイス・イベントは、機械学習を使用して、1つ以上の複合第1IoTデバイス・イベントを形成するために集約される、
請求項1に記載の方法。 - 前記第1IoTデバイス・イベントは、前記第1IoTデバイスを含むローカルエリアネットワーク(LAN)の一部分として実装されるデバイスを使用して、1つ以上の複合第1IoTデバイス・イベントを形成するために集約される、
請求項1に記載の方法。 - 前記第1IoTデバイスが、以前に示された望ましくない挙動の履歴を有しておらず、かつ、
前記望ましくない挙動は、前記第1IoTデバイスの異常挙動を含む、
請求項1に記載の方法。 - 前記第1IoTデバイスは、以前に示された望ましくない挙動の履歴を有しており、かつ、
前記望ましくない挙動は、前記第1IoTデバイスの正常挙動を含む、
請求項1に記載の方法。 - システムであって、
パターンのスーパーセットについてパターンの第1サブセットを、複数のIoTデバイス・プロファイルの第1IoTデバイス・プロファイルと関連付けるように構成された、IoTデバイス・アクティビティ・パターンマッチングエンジンと、
前記第1IoTデバイス・プロファイルを第1IoTデバイスへ帰属させるように構成された、IoTデバイス・プロファイリングエンジンと、
第1IoTデバイス・イベントを検出するように構成された、IoTデバイス・イベント検出エンジンであり、前記第1IoTデバイス・イベントは前記第1IoTデバイスの1つ以上のネットワークセッションを含む、IoTデバイス・イベント検出エンジンと、
前記第1IoTデバイス・イベントおよびその他のイベントからアクティビティデータ構造を生成するように構成された、IoTデバイス・アクティビティ生成エンジンと、を含み、
前記IoTデバイス・アクティビティ・パターンマッチングエンジンは、さらに、
前記アクティビティデータ構造に基づいて、前記第1IoTデバイスのアクティビティを決定し、
パターンの前記第1サブセットを前記第1IoTデバイスのアクティビティに対して適用し、
パターンの前記第1サブセットの前記第1IoTデバイスのアクティビティに対する適用が、前記第1IoTデバイスのプロファイルが帰属されるデバイスについて望ましくない挙動を示す場合に、アラートを生成する、
ように構成されている、
システム。 - 前記第1IoTデバイスのプロファイルが、前記第1IoTデバイスの展開の以前に、前記第1IoTデバイスへ帰属される、
請求項11に記載のシステム。 - 前記第1IoTデバイスのプロファイルが、前記第1IoTデバイスの展開の後で、前記第1IoTデバイスへ帰属される、
請求項11に記載のシステム。 - 前記第1IoTデバイス・プロファイルが、前記第1IoTデバイスの展開の後で記第1IoTデバイスに帰属され、かつ、
前記第1IoTデバイス・プロファイルは、利用可能なデータを使用して動的に修正されるデフォルトのIoTデバイス・プロファイルである、
請求項11に記載のシステム。 - 前記第1IoTデバイス・イベントは、受動的モニタリングを使用して検出される、
請求項11に記載のシステム。 - 前記第1IoTデバイス・イベントは、前記第1IoTデバイスに対して、または、前記第1IoTデバイスから、送信されるメッセージ内のパケットヘッダを使用して検出される、
請求項11に記載のシステム。 - 前記システムは、さらに、
機械学習を使用して、1つ以上の複合第1IoTデバイス・イベントを形成するために、前記第1IoTデバイス・イベントを集約する、ように構成された、IoTデバイス・イベント集約エンジン、を含む、
請求項11に記載のシステム。 - 前記システムは、さらに、
前記第1IoTデバイスを含むローカルエリアネットワーク(LAN)の一部分として実装されるデバイスを使用して、1つ以上の複合第1IoTデバイス・イベントを形成するために、前記第1IoTデバイス・イベントを集約する、ように構成された、IoTデバイス・イベント集約エンジン、を含む、
請求項11に記載のシステム。 - 前記第1IoTデバイスが、以前に示された望ましくない挙動の履歴を有しておらず、かつ、
前記望ましくない挙動は、前記第1IoTデバイスの異常挙動を含む、
請求項11に記載のシステム。 - 前記第1IoTデバイスは、以前に示された望ましくない挙動の履歴を有しており、かつ、
前記望ましくない挙動は、前記第1IoTデバイスの正常挙動を含む、
請求項11に記載のシステム。
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