Search Results for "linux security"
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Showing 1561 open source projects for "linux security"
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Linux Kernel
Linux Kernel source tree
The Linux Kernel is the core component of the Linux operating system—a free, open-source, monolithic, Unix-like system kernel initiated by Linus Torvalds in 1991 and since evolved into a foundational technology powering everything from servers and supercomputers to smartphones and embedded devices. There are various text files in the Documentation/ subdirectory, several of them using the reStructuredText markup notation. Extensive filesystem compatibility (ext4, Btrfs, FUSE, XFS, etc.) Broad... -
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Wazuh
The Open Source Security Platform
Wazuh is an open-source, unified security platform that delivers extended detection and response (XDR) and SIEM capabilities for on-premises, cloud, container, and endpoint environments. It provides comprehensive threat prevention, detection, integrity monitoring, incident response, and compliance monitoring. SIEM functionality to monitor security across endpoints, workloads, and containers. Centralized architecture enabling scalable deployment and unified management. Easy deployment with... -
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hashcat
World's fastest and most advanced password recovery utility
hashcat is the world's fastest and most advanced password recovery utility, supporting five unique modes of attack for over 300 highly-optimized hashing algorithms. hashcat currently supports CPUs, GPUs, and other hardware accelerators on Linux, Windows, and macOS, and has facilities to help enable distributed password cracking. Download the latest release and unpack it in the desired location. Please remember to use 7z x when unpacking the archive from the command line to ensure full file... -
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ClamAV
Antivirus engine for detecting trojans, viruses and malware
ClamAV is an open-source antivirus engine developed by Cisco Talos that provides cross-platform malware detection for servers, desktops, and mail systems. Originally designed for Unix environments and email security, it has evolved into a flexible antimalware toolkit capable of identifying millions of viruses, worms, trojans, and other threats. The software includes a command-line scanner, an automatically updating signature database, and a scalable multi-threaded daemon that enables... -
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thc-hydra
Shows how easy it would be to gain unauthorized access to a system
Number one of the biggest security holes are passwords, as every password security study shows. This tool is a proof of concept code, to give researchers and security consultants the possibility to show how easy it would be to gain unauthorized access from remote to a system. There are already several login hacker tools available, however, none does either support more than one protocol to attack or support parallelized connects. -
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usbliter8
An A12/A13 SecureROM exploit
usbliter8 is a low-level security research project focused on a tethered SecureROM exploit for Apple A12, S4/S5, and A13 SoCs. It targets a USB controller bug that requires specialized microcontroller hardware rather than a normal Mac or PC USB stack. The repository includes firmware source code, board support files, shellcode directories, USB handling code, logging helpers, and a Python control tool. It is intended for advanced researchers who understand DFU behavior, embedded development,... -
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bearer
Code security scanning tool (SAST) to discover security risks
Welcome to the Bearer documentation. Bearer is a static application security testing (SAST) tool that scans your source code and analyzes your data flows to discover, filter and prioritize security risks and vulnerabilities leading to sensitive data exposures (PII, PHI, PD). We provides built-in rules against a common set of security risks and vulnerabilities, known as OWASP Top 10. Leakage of sensitive data through cookies, internal loggers, third-party logging services, and into analytics... -
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GnuPG
Complete and free implementation of the OpenPGP standard
GnuPG (GNU Privacy Guard) is a widely used free software encryption system that implements the OpenPGP standard to provide secure communication and data protection across multiple platforms. It uses a hybrid cryptographic approach combining symmetric encryption for performance with public-key cryptography for secure key exchange and identity verification. The software allows users to encrypt files and messages, create digital signatures, and manage cryptographic keys, making it a... -
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TOMOYO Linux is a LSM module which focuses on behavior of processes.TOMOYO Linux can be used as a system analysis tool as well as an access restriction tool like SELinux and Smack. TOMOYO Linux has been merged in Kernel 2.6.30.
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zapret2
Anti-dpi software
zapret2 is a standalone anti-DPI toolkit designed to alter network traffic behavior without depending on external proxy servers. It targets censorship, throttling, and protocol filtering performed through deep packet inspection. The project supports Linux, OpenWrt-oriented embedded routers, FreeBSD, OpenBSD, and Windows. Its nfqws2 engine retains protocol recognition, reassembly, decryption, profiles, host lists, IP sets, and basic filtering. Traffic-manipulation strategies are moved out of... -
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YARA
The pattern matching swiss knife for malware researchers
YARA is a tool aimed at (but not limited to) helping malware researchers to identify and classify malware samples. With YARA you can create descriptions of malware families (or whatever you want to describe) based on textual or binary patterns. Each description, a.k.a rule, consists of a set of strings and a boolean expression which determines its logic. YARA is multi-platform, running on Windows, Linux and Mac OS X, and can be used through its command-line interface or from your own Python... -
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Skitter Creek Bath Salts
Unlocking _everything_ on the CPU with DRAM scrambling
Skitter Creek Bath Salts is a security research project exploring how low-level DRAM address translation affects processor security boundaries. It demonstrates that changing memory-controller translation behavior can expose physical memory regions normally hidden from the operating system. The research targets AMD Family 16h processors, whose documentation describes relevant DRAM translation registers. Its examples examine protected areas associated with the Platform Security Processor,... -
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Themis
Easy to use cryptographic framework for data protection
Cross-platform high-level cryptographic library. Themis helps to build simple and complex cryptographic features easily, quickly, and securely. It’s a perfect fit for multi-platform apps. Themis hides cryptographic details and eliminates popular mistakes. Themis provides ready-made building blocks (“cryptosystems”) for secure data storage, message exchange, socket connections, and authentication. Secure Cell is a multi-mode cryptographic container suitable for storing anything from encrypted... -
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OSS-Fuzz
OSS-Fuzz - continuous fuzzing for open source software
OSS-Fuzz is a large-scale fuzz testing platform developed by Google to improve the security and reliability of widely used open source software. Fuzz testing is a proven method for uncovering programming errors such as buffer overflows and memory leaks, which can lead to severe security vulnerabilities. By leveraging guided in-process fuzzing, Google has already identified thousands of issues in projects like Chrome, and this initiative extends the same capabilities to the broader open... -
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gVisor
Application Kernel for Containers
gVisor is an application kernel developed by Google that provides a strong layer of isolation between applications and the host operating system. Written in Go, it implements a Linux-compatible system call interface that runs entirely in user space, creating a secure sandboxed environment for containers. Unlike traditional virtual machines or lightweight syscall filters, gVisor follows a third approach that offers many of the security benefits of virtualization while maintaining the speed, resource efficiency, and flexibility of containers. ... -
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Quake3e
Improved Quake III Arena engine
Quake3e is a modernized fork of id Software’s Quake III Arena engine, tailored for mod developers and competitive players. It includes numerous technical improvements while preserving the core gameplay and mod compatibility of the original. Focused on performance, security, and extended modding capabilities, it has become a popular base for competitive tournaments and engine forks. With its updated rendering path and support for high refresh rates, Quake3e offers a slick and responsive... -
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Flipper Zero Firmware
Flipper Zero firmware source code
Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. It loves hacking digital stuff, such as radio protocols, access control systems, hardware, and more. It's fully open-source and customizable, so you can extend it in whatever way you like. Flipper Zero is a tiny piece of hardware with a curious personality of a cyber-dolphin. It can interact with digital systems in real life and grow while you use it. Explore any kind of access control system, RFID, radio... -
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SoftEther VPN
Cross-platform multi-protocol VPN software
An open-source free cross-platform multi-protocol VPN program, as an academic project from University of Tsukuba, under the Apache License 2.0. The API Suite allows you to easily develop your original SoftEther VPN Server management application to control the VPN Server (e.g. creating users, adding Virtual Hubs, disconnecting a specified VPN sessions) from JavaScript, TypeScript, C# or other languages. SoftEther VPN ("SoftEther" means "Software Ethernet") is one of the world's most powerful... -
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xxHash
Extremely fast non-cryptographic hash algorithm
xxHash is an extremely fast non-cryptographic hash algorithm, working at RAM speed limit. It is proposed in four flavors (XXH32, XXH64, XXH3_64bits and XXH3_128bits). The latest variant, XXH3, offers improved performance across the board, especially on small data. It successfully completes the SMHasher test suite which evaluates collision, dispersion and randomness qualities of hash functions. Code is highly portable, and hashes are identical across all platforms (little / big endian).... -
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shadowsocks-libev
Bug-fix-only libev port of shadowsocks
Shadowsocks-libev is a lightweight secured SOCKS5 proxy for embedded devices and low-end boxes. Shadowsocks-libev is written in pure C and depends on libev. It's designed to be a lightweight implementation of shadowsocks protocol, in order to keep the resource usage as low as possible. Snap is the recommended way to install the latest binaries. You can build shadowsocks-libev and all its dependencies by script. The latest shadowsocks-libev has provided a redir mode. You can configure your... -
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ngx_waf
Handy, High performance, ModSecurity compatible Nginx firewall module
Handy, High-performance Nginx firewall module. Such as black and white list of IPs or IP range, uri black and white list, and request body black list, etc. Directives and rules are easy to write and readable. The IP detection is a constant-time operation. Most of the remaining inspections use caching to improve performance. Compatible with ModSecurity's rules, you can use OWASP ModSecurity Core Rule Set. Supports verifying Google, Bing, Baidu and Yandex crawlers and allowing them... -
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AWS Nitro Enclaves SDK for C
This repo provides a C API for AWS Nitro Enclaves, including a KMS SDK
This repo provides a C API for AWS Nitro Enclaves, including a KMS SDK that integrates it with attestation. The simplest way to use this SDK is by using one of the available containers as a base. Note that this SDK is currently not supported on Windows. Only the client-side sample application (kmstool_instance) is supported on Windows. If you discover a potential security issue in the Nitro Enclaves SDK for C, we ask that you notify AWS Security via our vulnerability reporting page. -
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BoringSSL
Mirror of BoringSSL
BoringSSL is a Google-maintained fork of OpenSSL, designed specifically to meet the security, performance, and maintainability needs of Google’s infrastructure and products. While fully open source, BoringSSL is not intended for general public use — it serves as a streamlined, heavily modified SSL/TLS and cryptography library optimized for Google’s internal ecosystem, including Chrome/Chromium, Android, and other Google services. The project prioritizes security, simplicity, and... -
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libsodium
A modern, portable, easy to use crypto library
libsodium is a modern, portable, and easy-to-use cryptographic library that serves as an API-compatible fork of NaCl. Consistent behavior and formats across supported platforms. It enhances the original design with build and portability improvements, making it widely deployable across platforms for secure encryption, signatures, hashing, and key derivation. Digital signature creation and verification support. Adds extended cryptographic primitives like BLAKE2 and ChaCha20-Poly1305 beyond NaCl. -
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AWS Encryption SDK for C
AWS Encryption SDK for C
The AWS Encryption SDK for C is a client-side encryption library designed to make it easy for everyone to encrypt and decrypt data using industry standards and best practices. It uses a data format compatible with the AWS Encryption SDKs in other languages. For more information on the AWS Encryption SDKs in all languages, see the Developer Guide. We will demonstrate some simple build recipes for Linux, Mac, and Windows operating systems. These recipes assume a newly installed system with...
