Network admins must scan for security vulnerabilities and patch them promptly to prevent attacks and security breaches. Metasploit is an open-source framework for detecting threats and vulnerabilities.
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Password crackers are essential tools in any pen tester's toolbox. This step-by-step tutorial explains how to use John the Ripper, an open source offline password-cracking tool.
Kali Linux turns 10 this year, and to celebrate, the Linux penetration testing distribution has added defensive security tools to its arsenal of open-source security tools.
Evil Twin attack is a combination of several wireless attacks, including, a fake access point, a De-auth attack or jamming the wireless, a Captive portal attack, and cracking a WPA/WPA2 password.
Nessus is an open-source network vulnerability scanner for vulnerability assessments, penetration testing, and ethical hacking. It uses the Common Vulnerabilities and Exposures (CVE) architecture and is one of the most comprehensive vulnerability scanners on the market.
The Secure Shell protocol authenticates and encrypts network connections. Find out how it's used to build tunnels while crossing private networks and even firewalls
Access to the internet—or any other network—is governed by the default gateway. We explain what a default gateway is, and how to set and change it on your Linux computer.
Get started using tcpdump for network troubleshooting and monitoring with this comprehensive cheat sheet, which demonstrates different types of packet capture scenarios using actual tcpdump examples.
