We will discuss in brief some of famous tools that are widely used to prevent hacking and getting unauthorized access to a computer or network system.
Nmap stands for Network Mapper. It is an open source tool that is used widely for network discovery and security auditing.
Metasploit is one of the most powerful exploit tools. It’s a product of Rapid7 and most of its resources can be found at: www.metasploit.com. It comes in two versions − commercial and free edition.
Burp Suite is a popular platform that is widely used for performing security testing of web applications.
Angry IP Scanner
Angry IP scanner is a lightweight, cross-platform IP address and port scanner. It can scan IP addresses in any range. It can be freely copied and used anywhere. In order to increase the scanning speed, it uses multithreaded approach, wherein a separate scanning thread is created for each scanned IP address.
Cain & Abel
Cain & Abel is a password recovery tool for Microsoft Operating Systems. It helps in easy recovery of various kinds of passwords employing any of the following methods −
sniffing the network,
cracking encrypted passwords using Dictionary, Brute-Force and Cryptanalysis attacks,
recording VoIP conversations,
decoding scrambled passwords,
recovering wireless network keys,
revealing password boxes,
uncovering cached passwords and analyzing routing protocols.
Ettercap stands for Ethernet Capture. It is a network security tool for Man-in-the-Middle attacks. It features sniffing of live connections, content filtering on the fly and many other interesting tricks.
EtherPeek is a wonderful tool that simplifies network analysis in a multiprotocol heterogeneous network environment. EtherPeek is a small tool (less than 2 MB) that can be easily installed in a matter of few minutes
SuperScan is a powerful tool for network administrators to scan TCP ports and resolve hostnames.
QualysGuard is an integrated suite of tools that can be utilized to simplify security operations and lower the cost of compliance.
WebInspect is a web application security assessment tool that helps identify known and unknown vulnerabilities within the Web application layer.
LC4 was formerly known as L0phtCrack. It is a password auditing and recovery application. It is used to test password strength and sometimes to recover lost Microsoft Windows passwords, using dictionary, brute-force, and hybrid attacks.