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Hunt down social media accounts by username across social networks
🔍 A Hex Editor for Reverse Engineers, Programmers and people who value their retinas when working at 3 AM.
Comfortably monitor your network traffic 🕵️♂️
An evolving how-to guide for securing a Linux server.
KeePassXC is a cross-platform community-driven port of the Windows application “KeePass Password Safe”.
Set up your own IPsec VPN server in just a few minutes, with IPsec/L2TP, Cisco IPsec and IKEv2. Supports Ubuntu, Debian, CentOS/RHEL, Alpine Linux and Raspberry Pi OS. Includes client config and management scripts.
Manage your dotfiles across multiple diverse machines, securely.
Useful tool to track location or mobile number
Daemon to ban hosts that cause multiple authentication errors
Lynis - Security auditing tool for Linux, macOS, and UNIX-based systems. Assists with compliance testing (HIPAA/ISO27001/PCI DSS) and system hardening. Agentless, and installation optional.
Capture SSL/TLS plaintext with eBPF—no MITM proxy or custom CA installation. Supports Linux and Android on x86_64 and arm64.
A cross-platform programmable network tool
OpenSnitch is a GNU/Linux interactive application firewall inspired by Little Snitch.
Nmap - the Network Mapper. Github mirror of official SVN repository.
GTFOBins is a curated list of Unix-like executables that can be used to bypass local security restrictions in misconfigured systems.
Agent-less vulnerability scanner for Linux, FreeBSD, Container, WordPress, Programming language libraries, Network devices
A collection of Linux Sysadmin Test Questions and Answers. Test your knowledge and skills in different fields with these Q/A.
This guide details creating a secure Linux production system. OpenSCAP (C2S/CIS, STIG).
Open device management
syzkaller is an unsupervised coverage-guided kernel fuzzer
An Information Security Reference That Doesn't Suck; https://rmusser.net/git/admin-2/Infosec_Reference for non-MS Git hosted version.
Linux Runtime Security and Forensics using eBPF
A lightweight process isolation tool that utilizes Linux namespaces, cgroups, rlimits and seccomp-bpf syscall filters, leveraging the Kafel BPF language for enhanced security.