“The resurgence of the Russian navy has, among other things, jolted Western media and military leaders back to an awareness of the undersea cables that carry more than 90 percent of international communications — and of their vulnerability. Two years ago, unnamed commanders and intelligence officials told the New York Times that Russian submarines were operating worryingly close to various cables. In mid-December, Britain’s most senior military officer went public with the alarm, warning that Russia constituted an immediate threat to transatlantic cables; indeed, said the UK’s Air Chief Marshall Sir Stuart Peach, a ‘new risk to our way of life.’”
Source: Russian Subs Are Sniffing Around Transatlantic Cables. Here’s What to Do About It – Defense One