Big Take Asia

The Sixth Bureau, Episode 2: The Spy’s Diary

7 snips
Feb 13, 2026
They uncover an intimate spy diary that mixes personal life with operational notes. The conversation traces how China’s intelligence service recruits Western experts and builds long cons. Stories include a Honeywell engineer targeted over decades and technicians who copied files during visits. They map a recruitment taxonomy and the many small bets that advance industrial espionage.
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ANECDOTE

Spy’s Diary Reveals Life And Work

  • Xu Yanjun kept a detailed online diary logging both personal and classified work activities, revealing gambling, girlfriends, and operational notes.
  • FBI agents used those entries to map his sources, meetings, and covert tradecraft over years.
ADVICE

Treat Academic Invitations With Caution

  • Do not assume academic exchanges are benign; intelligence services use conferences and guest lectures to recruit and assess experts.
  • Treat unsolicited overseas invitations with skepticism and protect sensitive data and devices.
INSIGHT

State Security Targets Commercial Tech

  • China's Ministry of State Security blends political and commercial espionage at scale to meet national industrial goals like Made in China 2025.
  • The 6th Bureau focuses on stealing aerospace secrets to help domestic firms replace Western suppliers.
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