December 2021
Intermediate
248 pages
5h 50m
Japanese
Content preview from 現場で役立つOTの仕組みとセキュリティ 演習で学ぶ！わかる！リスク分析と対策
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236
8.4
IEC62443-3 はシステム
対象はコンピュータシステム・ネットワーク
IEC62443-3 のパートは、IACS のコンピュータシステム・ネットワークを対
象とする、セキュリティ技術やセキュリティ機能の要件です。3 部で構成されて
ます（
図 8.4.1
）。
IECTR62443-3-1
IACS 環境で利用可能なセキュリティ技術のカタログです。2009 年に TR
（Technical Report：技術報告書）として、Edition 1.0 が発行されています。
IEC62443-3-2
IACS のシステム設計手順として、リスクの評価とセキュリティゾーン設計の
流れを規定したものです。2020 年に Edition1.0 が発行されています。
ゾーンとは、IEC 62443-1-1 の用語で「共通のセキュリティ要求事項を共有
する論理的又は物理的資産のグループ」と定義しています。このゾーンがいった
い何を示すのか、イメージできるでしょうか。例えば、セキュリティ対策として、
ネットワークをセグメント分割することがあります。このセグメントがゾーンの
イメージであり、その分割方法などがゾーン設計です。
IEC62443-3-3
IACS のコンピュータシステム・ネットワークに対する、セキュリティレベル
に応じたセキュリティの機能要件です。2013 年に Edition 1.0 が発行されてい
ます。
IEC 62443-1-1 で定義している 7 つの FR（Foundational ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.