Greta Bossenmaier, Communications Security Establishment, appears at Commons defence committee in Ottawa on May 19, 2016. The day is coming when hackers will be able to crack the encryption people rely on for secure online banking and shopping, the head of Canada's cyberspy agency says. Experts estimate that quantum computing could be realized within 10 years, opening the door to breaking trusted Internet protections, said Greta Bossenmaier, chief of the Communications Security Establishment. THE CANADIAN PRESS/Sean Kilpatrick