**[This project is supported by Netsparker Web Application Security Scanner](https://www.netsparker.com/?utm_source=github.com&utm_content=awesome+penetration+testing&utm_medium=referral&utm_campaign=generic+advert)**
[Penetration testing](https://en.wikipedia.org/wiki/Penetration_test) is the practice of launching authorized, simulated attacks against computer systems and their physical infrastructure to expose potential security weaknesses and vulnerabilities.
Your contributions and suggestions are heartily♥ welcome. (✿◕‿◕). Please check the [Contributing Guidelines](CONTRIBUTING.md) for more details. This work is licensed under a [Creative Commons Attribution 4.0 International License](http://creativecommons.org/licenses/by/4.0/).
* [Penetration Testing Execution Standard (PTES)](http://www.pentest-standard.org/) - Documentation designed to provide a common language and scope for performing and reporting the results of a penetration test.
* [Open Web Application Security Project (OWASP)](https://www.owasp.org/index.php/Main_Page) - Worldwide not-for-profit charitable organization focused on improving the security of especially Web-based and Application-layer software.
* [PENTEST-WIKI](https://github.com/nixawk/pentest-wiki) - Free online security knowledge library for pentesters and researchers.
* [Penetration Testing Framework (PTF)](http://www.vulnerabilityassessment.co.uk/Penetration%20Test.html) - Outline for performing penetration tests compiled as a general framework usable by vulnerability analysts and penetration testers alike.
* [MITRE's Adversarial Tactics, Techniques & Common Knowledge (ATT&CK)](https://attack.mitre.org/) - Curated knowledge base and model for cyber adversary behavior.
* [Exploit Writing Tutorials](https://www.corelan.be/index.php/2009/07/19/exploit-writing-tutorial-part-1-stack-based-overflows/) - Tutorials on how to develop exploits.
* [Intel Techniques](https://inteltechniques.com/menu.html) - Collection of OSINT tools. Menu on the left can be used to navigate through the categories.
* [Security @ Distrowatch](http://distrowatch.com/search.php?category=Security) - Website dedicated to talking about, reviewing, and keeping up to date with open source operating systems.
* [Digital Evidence & Forensics Toolkit (DEFT)](http://www.deftlinux.net/) - Live CD for forensic analysis runnable without tampering or corrupting connected devices where the boot process takes place.
* [Kali](https://www.kali.org/) - GNU/Linux distribution designed for digital forensics and penetration testing.
* [ArchStrike](https://archstrike.org/) - Arch GNU/Linux repository for security professionals and enthusiasts.
* [BlackArch](https://www.blackarch.org/) - Arch GNU/Linux-based distribution for penetration testers and security researchers.
* [Network Security Toolkit (NST)](http://networksecuritytoolkit.org/) - Fedora-based bootable live operating system designed to provide easy access to best-of-breed open source network security applications.
* [Fedora Security Lab](https://labs.fedoraproject.org/en/security/) - Provides a safe test environment to work on security auditing, forensics, system rescue and teaching security testing methodologies.
* [The Pentesters Framework](https://github.com/trustedsec/ptf) - Distro organized around the Penetration Testing Execution Standard (PTES), providing a curated collection of utilities that eliminates often unused toolchains.
* [AttifyOS](https://github.com/adi0x90/attifyos) - GNU/Linux distribution focused on tools useful during Internet of Things (IoT) security assessments.
* [Metasploit](https://www.metasploit.com/) - Software for offensive security teams to help verify vulnerabilities and manage security assessments.
* [Armitage](http://fastandeasyhacking.com/) - Java-based GUI front-end for the Metasploit Framework.
* [Faraday](https://github.com/infobyte/faraday) - Multiuser integrated pentesting environment for red teams performing cooperative penetration tests, security audits, and risk assessments.
* [ExploitPack](https://github.com/juansacco/exploitpack) - Graphical tool for automating penetration tests that ships with many pre-packaged exploits.
* [AutoSploit](https://github.com/NullArray/AutoSploit) - Automated mass exploiter, which collects target by employing the Shodan.io API and programmatically chooses Metasploit exploit modules based on the Shodan query.
* [Nexpose](https://www.rapid7.com/products/nexpose/) - Commercial vulnerability and risk management assessment engine that integrates with Metasploit, sold by Rapid7.
* [Nessus](https://www.tenable.com/products/nessus-vulnerability-scanner) - Commercial vulnerability management, configuration, and compliance assessment platform, sold by Tenable.
* [OpenVAS](http://www.openvas.org/) - Free software implementation of the popular Nessus vulnerability assessment system.
* [Nikto](https://cirt.net/nikto2) - Noisy but fast black box web server and web application vulnerability scanner.
* [Arachni](http://www.arachni-scanner.com/) - Scriptable framework for evaluating the security of web applications.
* [w3af](https://github.com/andresriancho/w3af) - Web application attack and audit framework.
* [Wapiti](http://wapiti.sourceforge.net/) - Black box web application vulnerability scanner with built-in fuzzer.
* [SecApps](https://secapps.com/) - In-browser web application security testing suite.
* [WebReaver](https://www.webreaver.com/) - Commercial, graphical web application vulnerability scanner designed for macOS.
* [WPScan](https://wpscan.org/) - Black box WordPress vulnerability scanner.
* [cms-explorer](https://code.google.com/archive/p/cms-explorer/) - Reveal the specific modules, plugins, components and themes that various websites powered by content management systems are running.
* [SQLmate](https://github.com/UltimateHackers/sqlmate) - A friend of sqlmap that identifies sqli vulnerabilities based on a given dork and website (optional).
* [Network-Tools.com](http://network-tools.com/) - Website offering an interface to numerous basic network utilities like `ping`, `traceroute`, `whois`, and more.
* [Zarp](https://github.com/hatRiot/zarp) - Network attack tool centered around the exploitation of local networks.
* [dsniff](https://www.monkey.org/~dugsong/dsniff/) - Collection of tools for network auditing and pentesting.
* [scapy](https://github.com/secdev/scapy) - Python-based interactive packet manipulation program & library.
* [Printer Exploitation Toolkit (PRET)](https://github.com/RUB-NDS/PRET) - Tool for printer security testing capable of IP and USB connectivity, fuzzing, and exploitation of PostScript, PJL, and PCL printer language features.
* [Praeda](http://h.foofus.net/?page_id=218) - Automated multi-function printer data harvester for gathering usable data during security assessments.
* [routersploit](https://github.com/reverse-shell/routersploit) - Open source exploitation framework similar to Metasploit but dedicated to embedded devices.
* [CrackMapExec](https://github.com/byt3bl33d3r/CrackMapExec) - Swiss army knife for pentesting networks.
* [impacket](https://github.com/CoreSecurity/impacket) - Collection of Python classes for working with network protocols.
* [dnstwist](https://github.com/elceef/dnstwist) - Domain name permutation engine for detecting typo squatting, phishing and corporate espionage.
* [THC Hydra](https://github.com/vanhauser-thc/thc-hydra) - Online password cracking tool with built-in support for many network protocols, including HTTP, SMB, FTP, telnet, ICQ, MySQL, LDAP, IMAP, VNC, and more.
* [IKEForce](https://github.com/SpiderLabs/ikeforce) - Command line IPSEC VPN brute forcing tool for Linux that allows group name/ID enumeration and XAUTH brute forcing capabilities.
* [DET](https://github.com/sensepost/DET) - Proof of concept to perform data exfiltration using either single or multiple channel(s) at the same time.
* [pwnat](https://github.com/samyk/pwnat) - Punches holes in firewalls and NATs.
* [tgcd](http://tgcd.sourceforge.net/) - Simple Unix network utility to extend the accessibility of TCP/IP based network services beyond firewalls.
* [Iodine](https://code.kryo.se/iodine/) - Tunnel IPv4 data through a DNS server; useful for exfiltration from networks where Internet access is firewalled, but DNS queries are allowed.
#### Network Reconnaissance Tools
* [zmap](https://zmap.io/) - Open source network scanner that enables researchers to easily perform Internet-wide network studies.
* [CloudFail](https://github.com/m0rtem/CloudFail) - Unmask server IP addresses hidden behind Cloudflare by searching old database records and detecting misconfigured DNS.
* [dnsenum](https://github.com/fwaeytens/dnsenum/) - Perl script that enumerates DNS information from a domain, attempts zone transfers, performs a brute force dictionary style attack, and then performs reverse look-ups on the results.
* [dnsmap](https://github.com/makefu/dnsmap/) - Passive DNS network mapper.
* [dnsrecon](https://github.com/darkoperator/dnsrecon/) - DNS enumeration script.
* [dnstracer](http://www.mavetju.org/unix/dnstracer.php) - Determines where a given DNS server gets its information from, and follows the chain of DNS servers.
* [passivedns-client](https://github.com/chrislee35/passivedns-client) - Library and query tool for querying several passive DNS providers.
* [passivedns](https://github.com/gamelinux/passivedns) - Network sniffer that logs all DNS server replies for use in a passive DNS setup.
* [Mass Scan](https://github.com/robertdavidgraham/masscan) - TCP port scanner, spews SYN packets asynchronously, scanning entire Internet in under 5 minutes.
* [ScanCannon](https://github.com/johnnyxmas/ScanCannon) - Python script to quickly enumerate large networks by calling `masscan` to quickly identify open ports and then `nmap` to gain details on the systems/services on those ports.
* [fierce](https://github.com/mschwager/fierce) - Python3 port of the original `fierce.pl` DNS reconnaissance tool for locating non-contiguous IP space.
* [testssl.sh](https://github.com/drwetter/testssl.sh) - Command line tool which checks a server's service on any port for the support of TLS/SSL ciphers, protocols as well as some cryptographic flaws.
* [crackpkcs12](https://github.com/crackpkcs12/crackpkcs12) - Multithreaded program to crack PKCS#12 files (`.p12` and `.pfx` extensions), such as TLS/SSL certificates.
* [autochrome](https://www.nccgroup.trust/us/about-us/newsroom-and-events/blog/2017/march/autochrome/) - Easy to install a test browser with all the appropriate setting needed for web application testing with native Burp support, from NCCGroup.
* [Browser Exploitation Framework (BeEF)](https://github.com/beefproject/beef) - Command and control server for delivering exploits to commandeered Web browsers.
* [Offensive Web Testing Framework (OWTF)](https://www.owasp.org/index.php/OWASP_OWTF) - Python-based framework for pentesting Web applications based on the OWASP Testing Guide.
* [Wordpress Exploit Framework](https://github.com/rastating/wordpress-exploit-framework) - Ruby framework for developing and using modules which aid in the penetration testing of WordPress powered websites and systems.
* [WPSploit](https://github.com/espreto/wpsploit) - Exploit WordPress-powered websites with Metasploit.
* [SQLmap](http://sqlmap.org/) - Automatic SQL injection and database takeover tool.
* [tplmap](https://github.com/epinna/tplmap) - Automatic server-side template injection and Web server takeover tool.
* [weevely3](https://github.com/epinna/weevely3) - Weaponized web shell.
* [VHostScan](https://github.com/codingo/VHostScan) - A virtual host scanner that performs reverse lookups, can be used with pivot tools, detect catch-all scenarios, aliases and dynamic default pages.
* [FuzzDB](https://github.com/fuzzdb-project/fuzzdb) - Dictionary of attack patterns and primitives for black-box application fault injection and resource discovery.
* [EyeWitness](https://github.com/ChrisTruncer/EyeWitness) - Tool to take screenshots of websites, provide some server header info, and identify default credentials if possible.
* [webscreenshot](https://github.com/maaaaz/webscreenshot) - A simple script to take screenshots of list of websites.
* [Kaitai Struct](http://kaitai.io/) - File formats and network protocols dissection language and web IDE, generating parsers in C++, C#, Java, JavaScript, Perl, PHP, Python, Ruby.
* [Veles](https://codisec.com/veles/) - Binary data visualization and analysis tool.
* [Hachoir](http://hachoir3.readthedocs.io/) - Python library to view and edit a binary stream as tree of fields and tools for metadata extraction.
* [AntiVirus Evasion Tool (AVET)](https://github.com/govolution/avet) - Post-process exploits containing executable files targeted for Windows machines to avoid being recognized by antivirus software.
* [peCloak.py](https://www.securitysift.com/pecloak-py-an-experiment-in-av-evasion/) - Automates the process of hiding a malicious Windows executable from antivirus (AV) detection.
* [peCloakCapstone](https://github.com/v-p-b/peCloakCapstone) - Multi-platform fork of the peCloak.py automated malware antivirus evasion tool.
* [UniByAv](https://github.com/Mr-Un1k0d3r/UniByAv) - Simple obfuscator that takes raw shellcode and generates Anti-Virus friendly executables by using a brute-forcable, 32-bit XOR key.
* [Windows Exploit Suggester](https://github.com/GDSSecurity/Windows-Exploit-Suggester) - Detects potential missing patches on the target.
* [Responder](https://github.com/SpiderLabs/Responder) - LLMNR, NBT-NS and MDNS poisoner.
* [Bloodhound](https://github.com/adaptivethreat/Bloodhound/wiki) - Graphical Active Directory trust relationship explorer.
* [Empire](https://www.powershellempire.com/) - Pure PowerShell post-exploitation agent.
* [Fibratus](https://github.com/rabbitstack/fibratus) - Tool for exploration and tracing of the Windows kernel.
* [wePWNise](https://labs.mwrinfosecurity.com/tools/wepwnise/) - Generates architecture independent VBA code to be used in Office documents or templates and automates bypassing application control and exploit mitigation software.
* [redsnarf](https://github.com/nccgroup/redsnarf) - Post-exploitation tool for retrieving password hashes and credentials from Windows workstations, servers, and domain controllers.
* [Magic Unicorn](https://github.com/trustedsec/unicorn) - Shellcode generator for numerous attack vectors, including Microsoft Office macros, PowerShell, HTML applications (HTA), or `certutil` (using fake certificates).
* [DeathStar](https://github.com/byt3bl33d3r/DeathStar) - Python script that uses Empire's RESTful API to automate gaining Domain Admin rights in Active Directory environments.
* [RID_ENUM](https://github.com/trustedsec/ridenum) - Python script that can enumerate all users from a Windows Domain Controller and crack those user's passwords using brute-force.
* [MailSniper](https://github.com/dafthack/MailSniper) - Modular tool for searching through email in a Microsoft Exchange environment, gathering the Global Address List from Outlook Web Access (OWA) and Exchange Web Services (EWS), and more.
* [SCOMDecrypt](https://github.com/nccgroup/SCOMDecrypt) - Retrieve and decrypt RunAs credentials stored within Microsoft System Center Operations Manager (SCOM) databases.
* [Linux Exploit Suggester](https://github.com/PenturaLabs/Linux_Exploit_Suggester) - Heuristic reporting on potentially viable exploits for a given GNU/Linux system.
* [Lynis](https://cisofy.com/lynis/) - Auditing tool for UNIX-based systems.
* [unix-privesc-check](https://github.com/pentestmonkey/unix-privesc-check) - Shell script to check for simple privilege escalation vectors on UNIX systems.
* [Hwacha](https://github.com/n00py/Hwacha) - Post-exploitation tool to quickly execute payloads on Linux systems. Can collect artifacts and execute payloads on multiple hosts at once via SSH.
* [LOIC](https://github.com/NewEraCracker/LOIC/) - Open source network stress tool for Windows.
* [JS LOIC](http://metacortexsecurity.com/tools/anon/LOIC/LOICv1.html) - JavaScript in-browser version of LOIC.
* [SlowLoris](https://github.com/gkbrk/slowloris) - DoS tool that uses low bandwidth on the attacking side.
* [HOIC](https://sourceforge.net/projects/high-orbit-ion-cannon/) - Updated version of Low Orbit Ion Cannon, has 'boosters' to get around common counter measures.
* [UFONet](https://github.com/epsylon/ufonet) - Abuses OSI layer 7 HTTP to create/manage 'zombies' and to conduct different attacks using; `GET`/`POST`, multithreading, proxies, origin spoofing methods, cache evasion techniques, etc.
* [Social Engineer Toolkit (SET)](https://github.com/trustedsec/social-engineer-toolkit) - Open source pentesting framework designed for social engineering featuring a number of custom attack vectors to make believable attacks quickly.
* [King Phisher](https://github.com/securestate/king-phisher) - Phishing campaign toolkit used for creating and managing multiple simultaneous phishing attacks with custom email and server content.
* [Evilginx](https://github.com/kgretzky/evilginx) - MITM attack framework used for phishing credentials and session cookies from any Web service.
* [Virus Total](https://www.virustotal.com/) - Free service that analyzes suspicious files and URLs and facilitates the quick detection of viruses, worms, trojans, and all kinds of malware.
* [PacketTotal](https://packettotal.com/) - Simple, free, high-quality packet capture file analysis facilitating the quick detection of network-borne malware (using Bro and Suricata IDS signatures under the hood).
* [AQUATONE](https://github.com/michenriksen/aquatone) - Subdomain discovery tool utilizing various open sources producing a report that can be used as input to other tools.
* [OWASP Amass](https://github.com/OWASP/Amass) - Subdomain enumeration via scraping, web archives, brute forcing, permutations, reverse DNS sweeping, TLS certificates, passive DNS data sources, etc.
* [Hunter.io](https://hunter.io/) - Data broker providing a Web search interface for discovering the email addresses and other organizational details of a company.
* [FOCA (Fingerprinting Organizations with Collected Archives)](https://www.elevenpaths.com/labstools/foca/) - Automated document harvester that searches Google, Bing, and DuckDuckGo to find and extrapolate internal company organizational structures.
* [OnionScan](https://onionscan.org/) - Tool for investigating the Dark Web by finding operational security issues introduced by Tor hidden service operators.
* [What Every Browser Knows About You](http://webkay.robinlinus.com/) - Comprehensive detection page to test your own Web browser's configuration for privacy and identity leaks.
* [Interactive Disassembler (IDA Pro)](https://www.hex-rays.com/products/ida/) - Proprietary multi-processor disassembler and debugger for Windows, GNU/Linux, or macOS; also has a free version, [IDA Free](https://www.hex-rays.com/products/ida/support/download_freeware.shtml).
* [rVMI](https://github.com/fireeye/rVMI) - Debugger on steroids; inspect userspace processes, kernel drivers, and preboot environments in a single tool.
* [LAN Turtle](https://lanturtle.com/) - Covert "USB Ethernet Adapter" that provides remote access, network intelligence gathering, and MITM capabilities when installed in a local network.
* [USB Rubber Ducky](http://usbrubberducky.com/) - Customizable keystroke injection attack platform masquerading as a USB thumbdrive.
* [Poisontap](https://samy.pl/poisontap/) - Siphons cookies, exposes internal (LAN-side) router and installs web backdoor on locked computers.
* [Proxmark3](https://proxmark3.com/) - RFID/NFC cloning, replay, and spoofing toolkit often used for analyzing and attacking proximity cards/readers, wireless keys/keyfobs, and more.
* [PCILeech](https://github.com/ufrisk/pcileech) - Uses PCIe hardware devices to read and write from the target system memory via Direct Memory Access (DMA) over PCIe.
* [AT Commands](https://atcommands.org/) - Use AT commands over an Android device's USB port to rewrite device firmware, bypass security mechanisms, exfiltrate sensitive information, perform screen unlocks, and inject touch events.
* [Bash Bunny](https://www.hak5.org/gear/bash-bunny) - Local exploit delivery tool in the form of a USB thumbdrive in which you write payloads in a DSL called BunnyScript.
* [Packet Squirrel](https://www.hak5.org/gear/packet-squirrel) - Ethernet multi-tool designed to enable covert remote access, painless packet captures, and secure VPN connections with the flip of a switch.
* [ctf-tools](https://github.com/zardus/ctf-tools) - Collection of setup scripts to install various security research tools easily and quickly deployable to new machines.
* [Pwntools](https://github.com/Gallopsled/pwntools) - Rapid exploit development framework built for use in CTFs.
* [RsaCtfTool](https://github.com/sourcekris/RsaCtfTool) - Decrypt data enciphered using weak RSA keys, and recover private keys from public keys using a variety of automated attacks.
* [Public Pentesting Reports](https://github.com/juliocesarfort/public-pentesting-reports) - Curated list of public penetration test reports released by several consulting firms and academic security groups.
* [The Basics of Hacking and Penetration Testing by Patrick Engebretson, 2013](https://www.elsevier.com/books/the-basics-of-hacking-and-penetration-testing/engebretson/978-1-59749-655-1)
* [Professional Penetration Testing by Thomas Wilhelm, 2013](https://www.elsevier.com/books/professional-penetration-testing/wilhelm/978-1-59749-993-4)
* [Advanced Penetration Testing for Highly-Secured Environments by Lee Allen, 2012](http://www.packtpub.com/networking-and-servers/advanced-penetration-testing-highly-secured-environments-ultimate-security-gu)
* [Violent Python by TJ O'Connor, 2012](https://www.elsevier.com/books/violent-python/unknown/978-1-59749-957-6)
* [Fuzzing: Brute Force Vulnerability Discovery by Michael Sutton et al., 2007](http://www.fuzzing.org/)
* [Black Hat Python: Python Programming for Hackers and Pentesters by Justin Seitz, 2014](http://www.amazon.com/Black-Hat-Python-Programming-Pentesters/dp/1593275900)
* [Penetration Testing: Procedures & Methodologies by EC-Council, 2010](http://www.amazon.com/Penetration-Testing-Procedures-Methodologies-EC-Council/dp/1435483677)
* [Unauthorised Access: Physical Penetration Testing For IT Security Teams by Wil Allsopp, 2010](http://www.amazon.com/Unauthorised-Access-Physical-Penetration-Security-ebook/dp/B005DIAPKE)
* [Advanced Persistent Threat Hacking: The Art and Science of Hacking Any Organization by Tyler Wrightson, 2014](http://www.amazon.com/Advanced-Persistent-Threat-Hacking-Organization/dp/0071828362)
* [Holistic Info-Sec for Web Developers (Fascicle 0)](https://leanpub.com/holistic-infosec-for-web-developers)
* [Holistic Info-Sec for Web Developers (Fascicle 1)](https://leanpub.com/holistic-infosec-for-web-developers-fascicle1-vps-network-cloud-webapplications)
* [Wireshark Network Analysis by by Laura Chappell & Gerald Combs, 2012](https://www.amazon.com/Wireshark-Network-Analysis-Second-Certified/dp/1893939944)
* [Network Forensics: Tracking Hackers through Cyberspace by Sherri Davidoff & Jonathan Ham, 2012](http://www.amazon.com/Network-Forensics-Tracking-Hackers-Cyberspace-ebook/dp/B008CG8CYU/)
* [Gray Hat Hacking The Ethical Hacker's Handbook by Daniel Regalado et al., 2015](http://www.amazon.com/Hacking-Ethical-Hackers-Handbook-Edition/dp/0071832386)
* [Troubleshooting with the Windows Sysinternals Tools by Mark Russinovich & Aaron Margosis, 2016](https://www.amazon.com/Troubleshooting-Windows-Sysinternals-Tools-2nd/dp/0735684448/)
* [Ghost in the Wires by Kevin D. Mitnick & William L. Simon, 2011](http://www.hachettebookgroup.com/titles/kevin-mitnick/ghost-in-the-wires/9780316134477/)
* [No Tech Hacking by Johnny Long & Jack Wiles, 2008](https://www.elsevier.com/books/no-tech-hacking/mitnick/978-1-59749-215-7)
* [Social Engineering: The Art of Human Hacking by Christopher Hadnagy, 2010](http://www.wiley.com/WileyCDA/WileyTitle/productCd-0470639539.html)
* [Unmasking the Social Engineer: The Human Element of Security by Christopher Hadnagy, 2014](http://www.wiley.com/WileyCDA/WileyTitle/productCd-1118608577.html)
* [Social Engineering in IT Security: Tools, Tactics, and Techniques by Sharon Conheady, 2014](https://www.mhprofessional.com/9780071818469-usa-social-engineering-in-it-security-tools-tactics-and-techniques-group)
* [Common Vulnerabilities and Exposures (CVE)](https://cve.mitre.org/) - Dictionary of common names (i.e., CVE Identifiers) for publicly known security vulnerabilities.
* [National Vulnerability Database (NVD)](https://nvd.nist.gov/) - United States government's National Vulnerability Database provides additional meta-data (CPE, CVSS scoring) of the standard CVE List along with a fine-grained search engine.
* [US-CERT Vulnerability Notes Database](https://www.kb.cert.org/vuls/) - Summaries, technical details, remediation information, and lists of vendors affected by software vulnerabilities, aggregated by the United States Computer Emergency Response Team (US-CERT).
* [Full-Disclosure](http://seclists.org/fulldisclosure/) - Public, vendor-neutral forum for detailed discussion of vulnerabilities, often publishes details before many other sources.
* [Bugtraq (BID)](http://www.securityfocus.com/bid/) - Software security bug identification database compiled from submissions to the SecurityFocus mailing list and other sources, operated by Symantec, Inc.
* [Exploit-DB](https://www.exploit-db.com/) - Non-profit project hosting exploits for software vulnerabilities, provided as a public service by Offensive Security.
* [Microsoft Security Bulletins](https://technet.microsoft.com/en-us/security/bulletins#sec_search) - Announcements of security issues discovered in Microsoft software, published by the Microsoft Security Response Center (MSRC).
* [Microsoft Security Advisories](https://technet.microsoft.com/en-us/security/advisories#APUMA) - Archive of security advisories impacting Microsoft software.
* [Mozilla Foundation Security Advisories](https://www.mozilla.org/security/advisories/) - Archive of security advisories impacting Mozilla software, including the Firefox Web Browser.
* [Packet Storm](https://packetstormsecurity.com/files/) - Compendium of exploits, advisories, tools, and other security-related resources aggregated from across the industry.
* [CXSecurity](https://cxsecurity.com/) - Archive of published CVE and Bugtraq software vulnerabilities cross-referenced with a Google dork database for discovering the listed vulnerability.
* [SecuriTeam](http://www.securiteam.com/) - Independent source of software vulnerability information.
* [Vulnerability Lab](https://www.vulnerability-lab.com/) - Open forum for security advisories organized by category of exploit target.
* [Zero Day Initiative](http://zerodayinitiative.com/advisories/published/) - Bug bounty program with publicly accessible archive of published security advisories, operated by TippingPoint.
* [HPI-VDB](https://hpi-vdb.de/) - Aggregator of cross-referenced software vulnerabilities offering free-of-charge API access, provided by the Hasso-Plattner Institute, Potsdam.
* [China National Vulnerability Database (CNNVD)](http://www.cnnvd.org.cn/) - Chinese government-run vulnerability database analoguous to the United States's CVE database hosted by Mitre Corporation.
* [ARIZONA CYBER WARFARE RANGE](http://azcwr.org/) - 24x7 live fire exercises for beginners through real world operations; capability for upward progression into the real world of cyber warfare.
* [Cybrary](http://cybrary.it) - Free courses in ethical hacking and advanced penetration testing. Advanced penetration testing courses are based on the book 'Penetration Testing for Highly Secured Environments'.
* [Computer Security Student](http://computersecuritystudent.com) - Many free tutorials, great for beginners, $10/mo membership unlocks all content.
* [European Union Agency for Network and Information Security](https://www.enisa.europa.eu/topics/trainings-for-cybersecurity-specialists/online-training-material) - ENISA Cyber Security Training material.
* [Ruby Programming by @dreikanter](https://github.com/dreikanter/ruby-bookmarks) - The de-facto language for writing exploits.
* [Ruby Programming by @markets](https://github.com/markets/awesome-ruby) - The de-facto language for writing exploits.
* [Ruby Programming by @Sdogruyol](https://github.com/Sdogruyol/awesome-ruby) - The de-facto language for writing exploits.
* [JavaScript Programming](https://github.com/sorrycc/awesome-javascript) - In-browser development and scripting.
* [Node.js Programming by @sindresorhus](https://github.com/sindresorhus/awesome-nodejs) - Curated list of delightful Node.js packages and resources.
* [Python tools for penetration testers](https://github.com/dloss/python-pentest-tools) - Lots of pentesting tools are written in Python.
* [Python Programming by @svaksha](https://github.com/svaksha/pythonidae) - General Python programming.
* [Python Programming by @vinta](https://github.com/vinta/awesome-python) - General Python programming.
* [Android Security](https://github.com/ashishb/android-security-awesome) - Collection of Android security related resources.
* [Awesome Awesomness](https://github.com/bayandin/awesome-awesomeness) - The List of the Lists.
* [AppSec](https://github.com/paragonie/awesome-appsec) - Resources for learning about application security.
* [CTFs](https://github.com/apsdehal/awesome-ctf) - Capture The Flag frameworks, libraries, etc.
* [InfoSec § Hacking challenges](https://github.com/AnarchoTechNYC/meta/wiki/InfoSec#hacking-challenges) - Comprehensive directory of CTFs, wargames, hacking challenge websites, pentest practice lab exercises, and more.
* [Hacking](https://github.com/carpedm20/awesome-hacking) - Tutorials, tools, and resources.
* [Honeypots](https://github.com/paralax/awesome-honeypots) - Honeypots, tools, components, and more.
* [Infosec](https://github.com/onlurking/awesome-infosec) - Information security resources for pentesting, forensics, and more.
* [Forensics](https://github.com/Cugu/awesome-forensics) - Free (mostly open source) forensic analysis tools and resources.
* [Malware Analysis](https://github.com/rshipp/awesome-malware-analysis) - Tools and resources for analysts.
* [PCAP Tools](https://github.com/caesar0301/awesome-pcaptools) - Tools for processing network traffic.
* [Security](https://github.com/sbilly/awesome-security) - Software, libraries, documents, and other resources.
* [Awesome Lockpicking](https://github.com/meitar/awesome-lockpicking) - Awesome guides, tools, and other resources about the security and compromise of locks, safes, and keys.
* [Blue Team](https://github.com/meitar/awesome-cybersecurity-blueteam) - Awesome resources, tools, and other shiny things for cybersecurity blue teams.