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Download Your Architecture Playbooks - Select your infrastructure paths. Receive field-tested blueprints. SEND MY PLAYBOOK
In this field, we love to treat kernel flags like they’re some kind of magic shield. Flip on CONFIG_RANDOMIZE_BASE=y for KASLR, tick the box, and suddenly the system’s “hardened.” Turn on SMEP and SMAP in the BIOS, and security closes out the ticket. Job done, right? But if I stopped you and asked, “Which actual…
I learned kernel hardening the hard way. In mid-2018, I inherited a Pure Storage // FlashStack environment where a third-party backup agent quietly loaded an unsigned ESXi kernel module. One night, that module pivoted laterally: guest → hypervisor → controller firmware. We lost 1,800 VMs.We lost 48 hours to forensics.The FBI got involved. That incident…
