Defensive security, malware, auditing, and security concepts from raviheima https://raviheima.me Mon, 06 Jul 2026 04:17:25 +0530 Welcome! This is the beginning of my DVWA code analysis and exploitation walkthrough series. Fri, 12 Jun 2026 21:00:00 +0530 https://raviheima.me/security/dvwa-series-0-what-it-is-and-how-to-set-it-up/ https://raviheima.me/security/dvwa-series-0-what-it-is-and-how-to-set-it-up/ ever heard of CryFs? it’s a filesystem, but not like the traditional ones you know. what makes it different is that it’s encryption-first, it runs on top of a regular filesystem and encrypts your files on the fly. Sun, 31 May 2026 18:30:00 +0530 https://raviheima.me/linux/cryfs-the-filesystem-that-made-me-almost-cry/ https://raviheima.me/linux/cryfs-the-filesystem-that-made-me-almost-cry/ FUTM-CYB 322 Web Application Security Wed, 27 May 2026 00:00:00 +0530 https://raviheima.me/security/futm-cyb-322-web-application-security/ https://raviheima.me/security/futm-cyb-322-web-application-security/ Cryptocurrency has become a major trump-card for fraudsters, given its decentralization, irreversible transactions, and almost anonymous characteristics. Sat, 14 Jan 2023 00:00:00 +0530 https://raviheima.me/security/crypto-scams/ https://raviheima.me/security/crypto-scams/