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Zero Day Substack focuses on the nexus of cybersecurity, national security, and the geopolitical landscape, highlighting incidents of cyberattacks, espionage, and the challenges in securing digital infrastructure against state-sponsored actors and hackers. It covers real-world cases, legal ramifications, and the evolving tactics of cyber warfare.

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And their main takeaways
157 implied HN points 13 Apr 23
  1. There are two main groups discussing AI safety: doomers and boomers.
  2. Debates on AI safety can be like theology discussions, but it's more productive to focus on specific concerns and solutions.
  3. It's important to move from vague terms to concrete benchmarks when addressing AI safety.