ISTS 16 CTF - DNS Tunneling
A forensics CTF challenge analyzing DNS tunneling, Base64 encoding, and encrypted zip extraction using packet capture analysis.
CTF forensics DNS networking
Blog
Security writeups, CTF challenges, and research notes.
Configuring a Personal S/MIME Certificate
Step-by-step guide to setting up S/MIME email encryption and signing using free Comodo certificates.
email security encryption tutorial
Sniffing Cloud at Cost VNC Sessions
Security analysis of Cloud at Cost's VNC implementation, discovering plaintext authentication and keystroke leakage vulnerabilities.
security VNC vulnerability networking