A string of ransomware attacks by Russian hackers targeting Canada's agriculture sector is raising serious concerns about the safety of the food supply. #News #Canada #Technology Subscribe to The National: https://www.youtube.com/user/CBCTheNational?sub_confirmation=1 More from CBC News | https://www.cbc.ca/news The National is the flagship of CBC News, showcasing award-winning journalism from across Canada and around the world. Led by Chief Correspondent Adrienne Arsenault and Ian Hanomansing, our team of trusted reporters helps you make sense of the world, wherever you are.