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2005.03.17

@IT:「ワームで製造ラインが停止」、この事例の教訓は?

@IT:「ワームで製造ラインが停止」、この事例の教訓は?

どっぷり中に使っている人間としては、制御業界ももう少しセキュリティとかに気を遣った方が良いと強く感じる。

基本的に製造ラインのネットワークは可能であるなら外の世界とは物理的に隔離した方が良い。と言っても今となっては難しいですが、少なくとも生産管理系と、ライン制御はネットワークを物理的に分けるとかの工夫はした方が良いでしょう。でもどうしても両方につながるマシンは出てくるのだけど。これも単純な正解はないから、その都度ベターな解決方法を見つけていくしかないなぁ

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