Top 13 Free Websites to Learn Hacking

• DEFCON: Information about the largest annual hacker convention in the US, including past speeches, video, archives, and updates on the next upcoming show as well as links and other details.
• The Hacker News: The Hacker News — most trusted and widely-acknowledged online cyber security news magazine with in-depth technical coverage for cybersecurity.
• SecTools.Org: List of 75 security tools based on a 2003 vote by hackers.
• NFOHump: Offers up-to-date .NFO files and reviews on the latest pirate software releases.
• HackRead: HackRead is a News Platform that centers on InfoSec, Cyber Crime, Privacy, Surveillance, and Hacking News with full-scale reviews on Social Media Platforms.
• Metasploit: Find security issues, verify vulnerability mitigations & manage security assessments with Metasploit. Get the worlds best penetration testing software now.
• Packet Storm: Information Security Services, News, Files, Tools, Exploits, Advisories and Whitepapers.
• Exploit DB: An archive of exploits and vulnerable software by Offensive Security. The site collects exploits from submissions and mailing lists and concentrates them in a single database.
• Hakin9: E-magazine offering in-depth looks at both attack and defense techniques and concentrates on difficult technical issues.
• KitPloit: Leading source of Security Tools, Hacking Tools, CyberSecurity and Network Security.
• SecurityFocus: Provides security information to all members of the security community, from end users, security hobbyists and network administrators to security consultants, IT Managers, CIOs and CSOs.
• Phrack Magazine: Digital hacking magazine.
• Hacked Gadgets: A resource for DIY project documentation as well as general gadget and technology news.