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12 Newsletters Like tl;dr sec

tl;dr sec mostly covers OpenAI, AI security and Codex. Based on 21 issues we scanned in the last 6 months, these 12 newsletters cover the most similar ground. The closest match is The Daily Bite by Snack Prompt, which also writes about Bug bounty and Harmonic Security Usage Explorer.

Ranked by topic overlap: newsletters score higher when they share distinctive topics, not just broad ones everyone covers.

  1. 1.The Daily Bite by Snack Prompt
    Some overlap
    Both cover:Bug bountyHarmonic Security Usage ExplorerHackerOneCodexGreg Brockman
    Topics & trendsCompare with tl;dr secNewsletters like The Daily Bite by Snack PromptVisit site ↗
  2. 2.MakerThrive
    Some overlap
    Both cover:Zero-daySecurity PluginOpenAIFigmaPost-Quantum Cryptography
    Topics & trendsCompare with tl;dr secNewsletters like MakerThriveVisit site ↗
  3. 3.Latent.SpaceTechnology

    The AI Engineer newsletter + Top technical AI podcast. How leading labs build Agents, Models, Infra, & AI for Science. See https://latent.space/about for highlights from Greg Brockman, Andrej Karpathy, George Hotz,…

    Some overlap
    Both cover:CodexOpen Weights ModelsAI securityDeepSeek V4 ProBlack Hat
    Topics & trendsCompare with tl;dr secNewsletters like Latent.SpaceVisit site ↗
  4. 4.Machine Learning Pills
    Some overlap
    Both cover:Prompt injectionHugging Face incidentGitHubCodexOpenAI
    Topics & trendsCompare with tl;dr secNewsletters like Machine Learning PillsVisit site ↗
  5. 5.Last Week in AITechnology

    Weekly text and audio summaries of the most interesting AI news, as well as editorials commenting on recent events

    Some overlap
    Both cover:Greg BrockmanBlack HatHugging Face incidentOpenAIAI security
    Topics & trendsCompare with tl;dr secNewsletters like Last Week in AIVisit site ↗
  6. 6.The AI EntrepreneursAi
    Some overlap
    Both cover:HackerOneCodexVulnerability detectionOpenAIClaude Code
    Topics & trendsCompare with tl;dr secNewsletters like The AI EntrepreneursVisit site ↗
  7. 7.The NeuronAi
    Some overlap
    Both cover:CodexGreg BrockmanPrompt injectionAI securityOpenAI
    Topics & trendsCompare with tl;dr secNewsletters like The NeuronVisit site ↗
  8. 8.Superpower DailyAi
    Some overlap
    Both cover:SQL injectionCodexAI securityOpenAIGPT-6 Astra
    Topics & trendsCompare with tl;dr secNewsletters like Superpower DailyVisit site ↗
  9. 9.AI SecretAi
    Some overlap
    Both cover:CodexAI securityOpenAIPrompt injectionGPT-5.6 Sol Ultra
    Topics & trendsCompare with tl;dr secNewsletters like AI SecretVisit site ↗
  10. 10.Turing PostAi
    Some overlap
    Both cover:shadow AIHugging Face incidentAI securityLangGraphAi Roi
    Topics & trendsCompare with tl;dr secNewsletters like Turing PostVisit site ↗
  11. 11.The AI Report
    Some overlap
    Both cover:Palo Alto NetworksHugging Face incidentOpenAICodexAi Roi
    Topics & trendsCompare with tl;dr secNewsletters like The AI ReportVisit site ↗
  12. 12.The SignalTechnology

    Practical AI workflows and tutorials for busy professionals. Plus weekly news analysis, without the noise.

    Some overlap
    Both cover:HackerOnePalo Alto NetworksHugging Face incidentCodexOpenAI
    Topics & trendsCompare with tl;dr secNewsletters like The SignalVisit site ↗

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