Critical infrastructure was always designed to have the control systems isolated and physically separate from the corporate network and the internet.

Eric Cole

Major-General Eric Stuart Cole (10 February 1906 – 19 December 1992) was a senior British Army officer and telecommunications expert. He saw active service in the Second World War, with his most important contribution being the planning of communications for the invasion of Normandy. He continued his army career after the war, ultimately holding the post of director of telecommunications at the War Office. He was also a cricketer of county-standard, who played for Kent County Cricket Club during the 1938 English cricket season. A right-handed batsman and right-arm medium pace bowler, he played ten first-class matches in all, and also represented an Egypt side.

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