# The Invisible Key: Zero Days in the World of Espionage

Page: https://stenobird.com/podcast/spy-craft-2136940/the-invisible-key-zero-days-in-the-world-of-espionage
Text version: https://stenobird.com/podcast/spy-craft-2136940/the-invisible-key-zero-days-in-the-world-of-espionage.md
Podcast: [Spy Craft](https://stenobird.com/podcast/spy-craft-2136940)
Published: 2026-05-06T12:35:01+00:00
Episode link: https://www.spreaker.com/episode/the-invisible-key-zero-days-in-the-world-of-espionage--71881745
Audio file: https://dts.podtrac.com/redirect.mp3/api.spreaker.com/download/episode/71881745/podcast_1778007635.mp3
Processing state: not_requested
JSON: https://stenobird.com/v1/public/podcasts/spy-craft-2136940/episodes/the-invisible-key-zero-days-in-the-world-of-espionage
Duration seconds: 259

## Resource

For an intelligence officer, a Zero Day is the ultimate skeleton key for gathering signals intelligence without leaving a footprint. We dive into the secret marketplace the tech world where these vulnerabilities are bought and sold by state actors to facilitate long-term surveillance. Discover the tradecraft behind maintaining access to "hard targets" before the defense even realizes the door is unlocked.

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## Transcript

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