By Bryson McIver Introduction: The ELK stack, produced by elastic, is becoming one of the most popular ways of aggregating,…
Solving Simple CAPTCHAs
By Joncarlo Alvarado Introduction CAPTCHAs are used by many websites to prevent access to certain pages by automated bots. The goal…
Detecting Malicious URLs with Machine Learning
By Adam Spindler Almost all cyber threats begin on the internet. Attackers on the web post links to malicious content that…
Stealing Cisco Devices with SNMP
By Christian Motta The Simple Network Management Protocol (SNMP) is a widely-used protocol for device monitoring and management,…
VoIP Security with Asterisk
By Thomas Wygonik Configuring an enterprise voice over IP (VoIP) environment can be extremely complicated, and adding security on top…
Securing layer 2 on a Cisco Switch
By Thomas Daniels Introduction For the majority of people in the networking and security fields, most of our education in securing…
DNSSEC Vulnerability Space
By Varun Narayana Murthy Introduction DNS is absolutely critical foundational to the internet today and one of the issues with DNS…
Buffer Overflows, ASLR, and Stack Canaries
By Jimmy Trimer Introduction Buffer overflow exploits are one of the most common and classic security vulnerabilities in computer programs.…
An Analysis of Modern Browser-based Ransomware
By Derek Leung Introduction In recent years, ransomware has grown into a significant threat to organizations and individuals alike. Ransomware…
Windows Kernel Exploitation via Vulnerable Drivers
By Brandon Adler In the Microsoft Windows operating system, kernel exploitations techniques have been significantly mitigated due to protections Microsoft has…
