The narrative of the Enigma machine during the Second World War is overwhelmingly dominated by the Allied perspective, focusing on the remarkable intellectual achievements at Bletchley Park that led to the breaking of its ciphers. This conventional history frames the central question as "How was Enigma broken?" This podcast, prompted by a more nuanced inquiry, addresses a different, yet equally critical, question: "How often did Enigma break itself?" It posits that the very complexity which gave the Enigma its cryptographic strength was also its greatest operational weakness. This complexity engendered a system that was profoundly unforgiving of human error, leading to a significant, though not precisely quantifiable, rate of internal communication failure.

The German military high command remained supremely confident in the Enigma's security, believing it to be "unbreakable" throughout the war. This confidence, however, was predicated on the machine's immense mathematical and electro-mechanical complexity, which generated a staggering number of possible configurations, approximately 159 million million million. This focus on theoretical invulnerability created a systemic blind spot to the machine's practical fragility in the hands of ordinary operators under battlefield conditions. German procedural flaws and operator mistakes were not merely opportunities for Allied cryptanalysts; they were also a persistent source of self-inflicted "communications fratricide," where messages were rendered indecipherable to their intended German recipients.