Axios Codebook

A master lock with ones and zeroes instead of the regular numbers.

1 big thing: Chinese companies listed in U.S. could pose threat

Illustration: Aïda Amer/Axios

2. Anonymous digs up vast tranche of U.S. police documents

3. Media agency purge imperils open source tools

Illustration: Annelise Capossela/Axios

4. Army private encrypted plans for neo-Nazi terrorist attack

5. Spies could adopt TikTok prank that padded rally sign-ups

6. Odds and ends

Axios Codebook

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Decode key cybersecurity news and insights. With Sam Sabin.