Linux

Offensive Security

checkra1n on SecurityListing: Semi-tethered jailbreak for iPhone 5s to iPhone X, running iOS 12.0 and up, using the 'checkm8' bootrom exploit.

Penetration Testing

Wifislax on SecurityListing: GNU/Linux Wireless distribution for security testing with XFCE desktop environment.

Intrusion Detection and Prevention Systems

DenyHosts on SecurityListing: DenyHosts is a script to block SSH server attacks by automatically preventing attackers after failed login attempts.

Digital Forensics and Incident Response

edb on SecurityListing: edb is a powerful debugger for Linux binaries, enhancing reverse engineering efforts with a user-friendly interface and extensible plugins.

Intrusion Detection and Prevention Systems

libnids on SecurityListing: Libnids is an implementation of an E-component of Network Intrusion Detection System that emulates the IP stack of Linux 2.0.x and offers IP defragmentation, TCP stream assembly, and TCP port scan detection.

Security Information and Event Management

Verisys File Integirty Monitoring on SecurityListing: A next-generation file integrity monitoring and change detection system

Intrusion Detection and Prevention Systems

Fail2ban on SecurityListing: Fail2ban is a daemon that automatically bans IP addresses showing malicious behavior by monitoring log files and updating firewall rules to prevent brute-force attacks.

Next-Generation Firewalls

Safing Portmaster on SecurityListing: An open-source application firewall that monitors and controls network traffic with custom filtering rules and real-time visibility into application connections.

Digital Forensics and Incident Response

extundelete on SecurityListing: A utility for recovering deleted files from ext3 or ext4 partitions.

Network Detection and Response

Sniff on SecurityListing: Makes output from the tcpdump program easier to read and parse.

Security Operations

HoneyDrive on SecurityListing: HoneyDrive is the premier honeypot Linux distro with over 10 pre-installed honeypot software packages and numerous analysis tools.

Security Operations

Bifrozt on SecurityListing: High interaction honeypot solution for Linux systems with data control and integrity features.

Penetration Testing

LAMPSecurity Training on SecurityListing: A series of vulnerable virtual machine images with documentation to teach Linux, Apache, PHP, MySQL security.