Does the proliferation of microphones in our mobile phones and home smart speakers mean that anyone can eavesdrop on us?

Manuela Saragosa hears from the BBC's own technology correspondent Zoe Kleinman about a creepy experience she had when her phone appeared to listen in on a conversation with her mother, and how it led her to discover how easy it is to hack someone's microphone and spy on them.

That's exactly what Dutch documentary film maker Anthony van der Meer did, when he purposely let his phone get stolen so he could use it secretly to record the thief. Cyber-security expert Lisa Forte says these stories may be the tip of the iceberg, with everyone from governments to big tech firms to hackers and cyber-criminals potentially listening in on our private conversations.

Producer: Laurence Knight

(Picture: Outline of a mobile phone visible in the back pocket of a woman's jeans; Credit: Yuri Arcurs/Getty Images)