Massive updates: now with Proxy, Tunnel, & Load Balancer configurations. This page is a collection of instructions to remove unnecessary server headers which may be reported as part of a Penetration Test performed by a security engineer or reported via automated tools. I have catalogued these remediation instructions for many technologies in this single site… Read More


Modern Cache Directives As part of each website security vulnerability assessment performed, the security researcher will check that proper caching directives are implemented. In situations where the most extreme “never cache this data” is required, the gold standard HTTP headers recommended by infosec professionals everywhere is:

This advice is problematic and here in this… Read More


A massively updated version of this post is over here. This page is a collection of instructions to remove unnecessary server headers which may be reported as part of a Penetration Test performed by a security engineer or reported via automated tools. I have catalogued these remediation instructions for many technologies in one place to… Read More


Here in an example of a recent challenge/response form found on a system not to be named. Answer to What was your first pets name? is too short. Answers must be between 5 and 255, Sigh. Chip, Ted, Lola, Opus, Kiki, C (the letter, not the language).… Read More


During a project working with Hydra, a Network Login Auditor, we discovered and corrected a buffer overrun issue with possible security implications that might include the auditor being attacked by the auditee. TL;DR Attacker using Hydra or Medusa can get pwn’d by the victim website responding with remote code execution via buffer overrun exploit.… Read More


Announcement: Image Location & Privacy Scanner v0.3 I have completed a large update of the Image Location Scanner software; so many new features in fact, it gets a new name: “Image Location & Privacy Scanner”. It now detect serial number from the cameras in scanned images and even the camera owner’s name from some Canon… Read More


How To Track Down Your Ex(if) Adding Jpeg Exif detection to your penetration regiment and learning how to practice Safe (s)Exif Abstract:  We unintentionally distribute GPS data with every photograph, including indoor pictures. This talk will describe a real-world scenario involving remote education site where teachers & students exposed their confidential home address via profile… Read More


I would like to express my thanks for each and every one of you who gave me a nomination for the ISC^2 Board of Directors.  Unfortunately, I did not get enough endorsements to meet the ISC^2 minimum, but let’s look at what did happen: I am not a blogger by any stretch I have zero… Read More


At the encouragement of many friends, I have decided to throw my hat in the ring and become a member of the ISC^2 Board of Directors, an organization for computer security professionals, who sponsor the CISSP (Certified Information Systems Security Professional) certification.  The first step is to get 500 confirmed ISC^2 members to nominate me.… Read More