Nmap

Discussions, questions and news about Nmap from cybersecurity professionals on Cyberr.

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The Last 24 Hours Proved It: Your Patch Management Strategy is Broken 🛑 Look at the threat intelligence feed…

Schomer — Principal Security Solutions Architect & Founder

The Last 24 Hours Proved It: Your Patch Management Strategy is Broken 🛑 Look at the threat intelligence feed from just the last day. It’s a total structural failure across the entire software stack: • Edge Infrastructure: Palo Alto PAN-OS (CVE-2026-0322) under active RCE exploi…

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📄 Released: DIBs Whitepaper v1.0.1 DIBs (Domain Intelligence & Behaviour System) is a Domain Intelligence an…

Biswadeb Mukherjee — Security Engineer & Independent Researcher

📄 Released: DIBs Whitepaper v1.0.1 DIBs (Domain Intelligence & Behaviour System) is a Domain Intelligence and Behaviour Analysis framework designed to generate, resolve, enrich, and correlate large-scale domain ecosystems. Built around active domain generation, DNS resolution,…

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Spent the whole day putting my lab behind Cloudflare Zero Trust, and for a moment I thought, “This is clean.”…

Biswadeb Mukherjee — Security Engineer & Independent Researcher

Spent the whole day putting my lab behind Cloudflare Zero Trust, and for a moment I thought, “This is clean.” Then I ran Nmap for a target, and the network started lying to my face. The second I saw fabricated scan results and service visibility that didn’t reflect the actual la…

· 2 reactions · 1 comments

A misconfiguration chain that gave me root on a lab box — without a single credential. Last week I worked thr…

Luís Philip Angelo Wermelinger — Pesquisador de Segurança / Bug Bounty

A misconfiguration chain that gave me root on a lab box — without a single credential. Last week I worked through an NFS + rsync chain in my offensive security lab. The technique is straight out of a real Bug Bounty playbook. The target had: • NFSv3 exported to * (any host) • rs…

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Most people open a PCAP file and just scroll through packets. Today, I extracted actionable insight from one.…

OLUWATOYIN OYEDIJO — Security Operations & Threat Analysis

Most people open a PCAP file and just scroll through packets. Today, I extracted actionable insight from one. Using Python (no GUI tools), I analyzed raw packet data and: ✔ Parsed PCAP structure manually ✔ Automated packet counting logic ✔ Extracted 460 packets from network traf…

· 5 reactions · 1 comments

I set out to build something simple: a Windows VM to safely analyse malware samples, with Wireshark capturing…

Biswadeb Mukherjee — Security Engineer & Independent Researcher

I set out to build something simple: a Windows VM to safely analyse malware samples, with Wireshark capturing the traffic. That "simple" project turned into two days of network engineering. First, VM networking wouldn't cooperate. Then I realised capturing traffic on the host wo…

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