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Writeups & Notes

CTF write-ups, CVE briefs, and notes from hands-on security labs, defensive research, and systems engineering. I publish when I finish something worth sharing.

WriteupAug 12, 2026

DNS Spoofing in a Lab: What Scapy Teaches You About Trust

Defensive lessons from an authorized Scapy DNS-spoofing lab: packet flow, race conditions, detection signals, and the distinct roles of DNSSEC, DoT, and DoH.

#scapy#networking#lab#security
CVE BriefAug 8, 2026

CVE Brief: CVE-2025-0282 in Ivanti Secure Gateways

A sourced brief on CVE-2025-0282, an actively exploited unauthenticated remote-code-execution vulnerability affecting Ivanti secure gateway products.

#cve#vulnerability#analysis
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