https://blog.debasisbiswas.in Cybersecurity insights, development tutorials, and tech exploration by Debasis Biswas en Sun, 10 May 2026 08:38:59 GMT https://blog.debasisbiswas.in/blog/copy-fail-cve-2026-31431 A technical breakdown of Copy Fail (CVE-2026-31431): the kernel root cause, high-level exploitation flow, why it’s unusually reliable across distros, and what defenders can do to reduce risk. Sat, 02 May 2026 00:00:00 GMT https://blog.debasisbiswas.in/blog/copy-fail-cve-2026-31431 security linux kernel cve privilege-escalation devsecops kubernetes https://blog.debasisbiswas.in/blog/getting-started-with-ansible-devsecops A practical, beginner-friendly introduction to Ansible—inventory, playbooks, modules, and a real-world server hardening example you can adapt for DevSecOps. Fri, 10 Apr 2026 00:00:00 GMT https://blog.debasisbiswas.in/blog/getting-started-with-ansible-devsecops ansible devsecops infrastructure automation security linux https://blog.debasisbiswas.in/blog/why-self-hosted-ci-runners-can-turn-prs-into-a-security-nightmare Self-hosted CI runners execute untrusted PR code inside your network perimeter—turning a routine contribution workflow into a high-leverage compromise path. Tue, 03 Feb 2026 00:00:00 GMT https://blog.debasisbiswas.in/blog/why-self-hosted-ci-runners-can-turn-prs-into-a-security-nightmare security devsecops ci-cd github-actions supply-chain self-hosted vps https://blog.debasisbiswas.in/blog/react2shell-cve How abusing a React frontend vulnerability (CVE-2025-55182) can lead to remote code execution (RCE) and full server compromise. Wed, 31 Dec 2025 00:00:00 GMT https://blog.debasisbiswas.in/blog/react2shell-cve security cve react2shell vulnerability root access vps https://blog.debasisbiswas.in/blog/introduction-to-cloud A beginner-friendly overview of cloud computing and cybersecurity fundamentals. Fri, 04 Jul 2025 00:00:00 GMT https://blog.debasisbiswas.in/blog/introduction-to-cloud cloud cybersecurity beginner technology https://blog.debasisbiswas.in/blog/vm-vps-docker Learn how to combine virtual machines, VPS, and Docker for a robust and secure cloud development workflow. Fri, 04 Jul 2025 00:00:00 GMT https://blog.debasisbiswas.in/blog/vm-vps-docker cloud vm vps docker security