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Dark Marc | Cybersecurity, Hacking & Tech

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Newsletter · By Dark Marc · English · Official site

Indexed issues, last 90 days
9
Latest publication
Sep 26, 2026
Audience
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Earliest in this view
Aug 10, 2026

Latest issues

  1. Issue · Sep 26, 2026

    Your LG ‘Smart TV’ is Spying on You - Here’s How to Stop It Permanently (opens the original)

    Excerpt · Critical tone

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    For the millions of people who own an LG TV, the purchase decision was likely driven by a single factor: it was cheap. <img alt="" class="sizing-normal" height="764" src="https://substackcdn.com/image/fetch/$s_!fEU5!,w_1456,c_limit,f_auto,q_auto:goo

  2. Issue · Sep 23, 2026

    AI Agent Tool Misuse & Exploitation: When an Agent's Own Tools Do the Damage (opens the original)

    Excerpt · Critical tone

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    AI agents use tools to get things done. That is what separates an agentic AI from a plain chatbot: it can reason, plan, and take action.<img alt="" class="sizing-normal" height="764" src="https://substackcdn.com/image/fetch/$s_!NT4q!,w_1456,c_limit,

  3. Issue · Sep 19, 2026

    AI Agent Goal Hijack: How Attackers Redirect an Agent's Goals, Planning, and Behavior (opens the original)

    Excerpt · Critical tone

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    AI agents are being handed real power faster than they can be secured, and attackers are turning their own tools against them.<img alt="" class="sizing-normal" height="764" src="https://substackcdn.com/imag

  4. Issue · Sep 15, 2026

    The Hacker's Guide to Attacking AI Agents (opens the original)

    Excerpt

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    This is a practical guide to assessing the security of an agentic AI system. It covers how to model the target, the attack classes, the controls that stop them, and a methodology for running an engagement from start to finish.<source type="image/webp" /

  5. Issue · Sep 12, 2026

    Government Website Hacked to Sell Chinese Peptides on WhatsApp (opens the original)

    Excerpt · Critical tone

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    If you search Google for information about peptides, you may find pages from stonevillenc.org, the official website of Stoneville, North Carolina.<img alt="" class="sizing-normal" height="1048" src="https://substackcdn.com/image/fetch/$s_!aKa0!,w_14

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