tls
Safeguard articles tagged "tls" — guides, analysis, and best practices for software supply chain and application security.
28 articles
Symmetric vs Asymmetric Encryption, Explained
What makes an encryption algorithm symmetric is a single shared key for both encryption and decryption; asymmetric algorithms use a mathematically linked public/private key pair instead — and the difference decides which one you should reach for.
CVE-2025-15467 in OpenSSL CMS: Patch Posture & SBOM Response
OpenSSL CMS pre-auth stack buffer overflow scored CVSS 9.8. Mail servers, web servers, and anything that processes S/MIME need the fix. Defender playbook below.
Certificate Authority Compromise and Supply Chain Risks
A compromised certificate authority can undermine TLS trust for your entire software supply chain. Understanding CA risks is essential for defending package integrity and secure distribution.
Heartbleed at Five Years: A Practitioner Retrospective
Five years after CVE-2014-0160, Heartbleed still shapes how we think about shared cryptographic libraries, disclosure ethics, and open-source funding.
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