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Deep, recent reads ranked by depth and freshness.

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  1. 01Cloudflare · architecture

    Bringing post-quantum cryptography to geographically fenced key management

    Cloudflare introduced a post-quantum geographically restricted key manager in closed beta to enforce data sovereignty and protect customers against harvest-now-decrypt-later attacks. The team implemented a hybrid ML-KEM-768 and X25519 cryptographic design that separates globally distributed wrapped private keys from regionally restricted root keys. This ensures that decryption keys are only accessible within authorized geographical boundaries and fails closed if validation fails.

    DEPTH ■■■■■12 min read3 days ago

    Security

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  2. 02GitLab · tutorial

    PHP2Shell: GitLab helps find and remediate critical PHP flaws

    Critical remote code execution vulnerabilities known as PHP2Shell affect the PHP engine across multiple versions, requiring immediate runtime updates to fixed versions or patched distribution packages. The team utilized platform features like container scanning, code search, and automated agent workflows to locate PHP projects and remediate vulnerabilities. Operators must also check logs and environments for signs of compromise as framework updates and input validations cannot prevent these engine-level flaws.

    DEPTH ■■■■■10 min read5 days ago

    ArchitectureSecurity

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  3. 03Cloudflare · architecture

    Cloudflare deploys protections against php2shell vulnerability

    Recent disclosures revealed critical remote code execution and data exposure vulnerabilities in the PHP runtime. To mitigate the threat before public disclosure, Cloudflare developed full transaction detection to combine request and response signals within the WAF. This capability enabled automatic deployment of rules protecting customers against the php2shell exploits.

    DEPTH ■■■■■6 min read5 days ago

    Security

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  4. 04Cloudflare · postmortem

    8 eMudhra certificates are compromised. Here's what you need to know

    Private keys associated with eight eMudhra intermediate certificates were compromised, allowing potential traffic interception. Cloudflare prioritized patching critical services, released client and tunnel updates, and deployed mitigations across its products. Customers are advised to upgrade affected software, update custom trust stores, and avoid disabling verification despite error messages.

    DEPTH ■■■■■4 min read6 days ago

    Security

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