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A lens that brings security into sharp focus

We focus only on what ZIEN has attacked and verified firsthand.

#1 this month · R&D

PHP2Shell — “It Won’t Work in the Real World”? It Worked on Our Server

ZIEN Research’s hands-on PHP2Shell analysis, with a check and response guide for web server operators

JJiwon Hong · 2026.11.02

All postsLatest posts 43 posts

12 posts Latest Popular

ETC DEF CON Report: Winning the Hack The TV CTF ZZIEN· 2024.09.05

ETC [Interview] ZIEN R&D Team Presents Dashcam Security Research at DEF CON 32's 'IoT Village' ZZIEN· 2024.08.29

Read by series 7 series

SERIES · Complete · 3 posts React2Shell Response

SERIES · Ongoing · 2 posts EU CRA Response

SERIES · Complete · 2 posts Understanding and Applying SBOM

SERIES · Complete · 2 posts IoT Hardware Analysis

SERIES · Complete · 2 posts Shellcode for Bypassing Restricted Characters

SERIES · Complete · 2 posts Smart City Vulnerability Research

SERIES · Ongoing · 1 post PHP2Shell Empirical Analysis

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