Software engineering explained with real code: systems and low-level, Rust, security, AI, web and digital business https://softdryzz.com/blog/?lang=en en Mon, 28 Sep 2026 00:00:00 GMT contact@softdryzz.com (SoftDryzz) https://softdryzz.com/blog/posts/anatomia-driver-windows?lang=en What happens inside a Windows driver: DriverEntry, IRQL, an IRP's journey, the dispatch table, IOCTLs and why a misused spinlock brings the system down. With real code. Mon, 28 Sep 2026 00:00:00 GMT https://softdryzz.com/blog/posts/anatomia-driver-windows.html#en Tech https://softdryzz.com/blog/posts/ring-menos-2-smm?lang=en What lives below the hypervisor: System Management Mode, the firmware code that runs hidden from the OS, and how to check from C++ which protections your firmware declares. Sun, 27 Sep 2026 00:00:00 GMT https://softdryzz.com/blog/posts/ring-menos-2-smm.html#en Tech https://softdryzz.com/blog/posts/ring-menos-1-hipervisor?lang=en What lives below the kernel: the hypervisor, in VMX root mode (SVM host mode on AMD). How it works with VT-x, AMD-V and EPT, why Windows uses one to protect itself, and how to check it from C++ with CPUID. Sat, 26 Sep 2026 00:00:00 GMT https://softdryzz.com/blog/posts/ring-menos-1-hipervisor.html#en Tech https://softdryzz.com/blog/posts/de-ring-3-a-ring-0?lang=en A journey through x86 privilege rings. What Ring 0 is, how a syscall works, why a kernel bug takes down the whole system, and which defenses guard that border today. Sat, 19 Sep 2026 00:00:00 GMT https://softdryzz.com/blog/posts/de-ring-3-a-ring-0.html#en Tech https://softdryzz.com/blog/posts/ia-transformacion-empresas-badajoz?lang=en Practical AI guide for SMEs and freelancers in Extremadura. Real cases and first steps. Mon, 02 Mar 2026 00:00:00 GMT https://softdryzz.com/blog/posts/ia-transformacion-empresas-badajoz.html#en Business https://softdryzz.com/blog/posts/rust-memory-safety-2026?lang=en Analysis of Rust's memory safety features and why it dominates in critical systems. Thu, 12 Feb 2026 00:00:00 GMT https://softdryzz.com/blog/posts/rust-memory-safety-2026.html#en Tech