Smashing Security podcast #192: Ritz and robocalls with Rory

A scam involving restaurant bookings at The Ritz is suitably sophisticated, the second wave of UK coronavirus testing apps, and we take a look at one of the biggest studies ever into the scourge of robocalls. All this and much more is discussed in the latest edition of the award-winning "Smashing Security" podcast by computer security veterans Graham Cluley and Carole Theriault, joined this week by BBC technology correspondent Rory Cellan-Jones.