Cybersecurity Tech Brief By HackerNoon

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Learn the latest Cybersecurity updates in the tech world.

  1. Why Google Is Replacing RSA With ECDSA (And Why It Isn't About Quantum)

    8 uur geleden

    Why Google Is Replacing RSA With ECDSA (And Why It Isn't About Quantum)

    This story was originally published on HackerNoon at: https://hackernoon.com/why-google-is-replacing-rsa-with-ecdsa-and-why-it-isnt-about-quantum. Google Trust Services shifts some Google services to ECDSA leaf certificates by default in Q2 2026. Classical cleanup, not PQC: how TLS migrates in layers. Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #post-quantum-cryptography, #webpki, #pki, #rsa, #ecdsa, #google-trust-services, #quantum-safe-tls, #hackernoon-top-story, and more. This story was written by: @0xlooptheory. Learn more about this writer by checking @0xlooptheory's about page, and for more stories, please visit hackernoon.com. Google Trust Services announced that a number of Google services will move from RSA to ECDSA leaf certificates by default in Q2 2026. ECDSA is not quantum-safe; under standard resource estimates it falls to a smaller quantum computer than RSA-2048. The move still makes sense: TLS migrates in layers, post-quantum key exchange is already the default in major browsers, and certificate migration is blocked on signature sizes and ecosystem constraints that Google plans to address with Merkle Tree Certificates against a stated 2029 timeline.

    17 min.
  2. From Open Port to Compromised Host: The Complete Nmap Offensive Workflow

    8 uur geleden

    From Open Port to Compromised Host: The Complete Nmap Offensive Workflow

    This story was originally published on HackerNoon at: https://hackernoon.com/from-open-port-to-compromised-host-the-complete-nmap-offensive-workflow. SMB enumeration to CVE mapping to Metasploit integration, evasion, and pivot scanning — the complete Nmap offensive workflow in one continuous chain. Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #nmap, #metasploit, #penetration-testing, #cybersecurity, #ethical-hacking, #smb, #network-security, #offensive-security, and more. This story was written by: @RoshanRajbanshi_frqj97tc. Learn more about this writer by checking @RoshanRajbanshi_frqj97tc's about page, and for more stories, please visit hackernoon.com. Open ports aren't the finish line — they're the starting point. This covers the full offensive chain: enumerating SMB before touching credentials, mapping version strings to CVEs across three verification methods, piping scan data straight into Metasploit's database, building an evasion profile that targets specific detection methods instead of guessing, and reaching internal networks through a pivot using three different techniques depending on what's available. Every example ran against real lab targets with full output included.

    21 min.
  3. Nvidia China Chip Curbs Accelerate Domestic AI Substitution

    3 dgn geleden

    Nvidia China Chip Curbs Accelerate Domestic AI Substitution

    This story was originally published on HackerNoon at: https://hackernoon.com/nvidia-china-chip-curbs-accelerate-domestic-ai-substitution. China is accelerating AI chip substitution while the U.S. intensifies control over frontier AI model access. Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #machine-learning, #large-language-models, #leadership, #legal, #marketing, #ai-chip-substitution, #frontier-model-access, and more. This story was written by: @ttassos. Learn more about this writer by checking @ttassos's about page, and for more stories, please visit hackernoon.com. China is accelerating AI chip substitution while the U.S. intensifies control over frontier AI model access.

    32 min.
  4. 205 Blog Posts To Learn About Vpn

    4 dgn geleden

    205 Blog Posts To Learn About Vpn

    This story was originally published on HackerNoon at: https://hackernoon.com/205-blog-posts-to-learn-about-vpn. Learn everything you need to know about Vpn via these 205 free HackerNoon blog posts. Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #vpn, #learn, #learn-vpn, and more. This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.

    58 min.
  5. 62 Blog Posts To Learn About Social Engineering

    4 dgn geleden

    62 Blog Posts To Learn About Social Engineering

    This story was originally published on HackerNoon at: https://hackernoon.com/62-blog-posts-to-learn-about-social-engineering. Learn everything you need to know about Social Engineering via these 62 free HackerNoon blog posts. Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #social-engineering, #learn, #learn-social-engineering, and more. This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.

    15 min.
  6. Frontier Model Access, China’s Chip Substitution, and the Power Bottleneck Reframe the AI Stack

    5 dgn geleden

    Frontier Model Access, China’s Chip Substitution, and the Power Bottleneck Reframe the AI Stack

    This story was originally published on HackerNoon at: https://hackernoon.com/frontier-model-access-chinas-chip-substitution-and-the-power-bottleneck-reframe-the-ai-stack. AI geopolitics is shifting due to controlled frontier model access, China's pivot to domestic AI chips amid export controls, and rising electricity demands s... Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #machine-learning, #sales, #software-development, #api, #artificial-intelligence, #frontier-model-access, #ai-stack, and more. This story was written by: @ttassos. Learn more about this writer by checking @ttassos's about page, and for more stories, please visit hackernoon.com. AI geopolitics is shifting due to controlled frontier model access.

    33 min.
  7. The Month AI Governance Became Operational

    5 dgn geleden

    The Month AI Governance Became Operational

    This story was originally published on HackerNoon at: https://hackernoon.com/the-month-ai-governance-became-operational. June 2026 showed AI geopolitics shifting from model performance to control over access, infrastructure, cybersecurity, and national capacity. Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #databases, #machine-learning, #large-language-models, #legal, #technology, #model-access, #model-distillation, and more. This story was written by: @ttassos. Learn more about this writer by checking @ttassos's about page, and for more stories, please visit hackernoon.com. June 2026 showed AI geopolitics shifting from model performance to control over access, infrastructure, cybersecurity, and national capacity.

    35 min.
  8. 500 Blog Posts To Learn About Privacy

    6 dgn geleden

    500 Blog Posts To Learn About Privacy

    This story was originally published on HackerNoon at: https://hackernoon.com/500-blog-posts-to-learn-about-privacy. Learn everything you need to know about Privacy via these 500 free HackerNoon blog posts. Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #privacy, #learn, #learn-privacy, and more. This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.

    2u 12m
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Learn the latest Cybersecurity updates in the tech world.

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