The Canadian Press says the leaked information could include sensitive data on underwater “dead zones” where submarines can travel undetected.
Details of navy ship movements in the Arctic and the Middle East may have been leaked as well, along with weapons systems information.
The Wall Street Journal reports sources close to the case say the breach created serious conflict between the U.S. and Canada. The information allegedly delivered to the Russians was electronic communications and signals data collected between Canada and its allies.
“Is there a Russian sub off the coast? Where are the American subs? Where are ours? That’s the kind of top secret stuff they would know,” one person familiar with Trinity said to the Globe and Mail. The intelligence center is said to mainly track naval traffic in the Atlantic and analyzes Canadian and allied electronic communications.
Full article: A Canadian Navy Officer Has Been Arrested For Telling The Russians All About America’s Coastal Defenses (Business Insider)