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Frank Leitner

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CISSP-ISSAP: My summary

After a long(ish) wait I received my CISSP-ISSAP (Information Systems Security Architecture Professional) certification today.

Aug 15, 2023

CISSP-ISSAP: My summary

Aug 15, 2023

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CISSP: Exam thoughts and learning materials

I often read that the exam is tough and full of trick questions that try to guide you to the wrong answer. In my case, none of the…

May 4, 2022

CISSP: Exam thoughts and learning materials

May 4, 2022

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Yet another OSCP story

Finally, after a long COVID-19 induced delay, I recently received my printed certificate.

Sep 17, 2020

Yet another OSCP story

Sep 17, 2020

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InfoSec Write-ups

Write-up: Information disclosure in version control history @ PortSwigger Academy

This write-up for the lab Information disclosure in version control history is part of my walkthrough series for PortSwigger’s Web Security…

Feb 6, 2023

Write-up: Information disclosure in version control history @ PortSwigger Academy

Feb 6, 2023

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InfoSec Write-ups

Write-up: Authentication bypass via encryption oracle @ PortSwigger Academy

This write-up for the lab Authentication bypass via encryption oracle is part of my walk-through series for PortSwigger’s Web Security…

Dec 20, 2022

Write-up: Authentication bypass via encryption oracle @ PortSwigger Academy

Dec 20, 2022

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InfoSec Write-ups

Write-up: DOM XSS in innerHTML sink using source location.search @ PortSwigger Academy

This write-up for the lab DOM XSS in innerHTML sink using source location.search is part of my walkthrough series for PortSwigger’s Web…

Dec 13, 2022

Write-up: DOM XSS in innerHTML sink using source location.search @ PortSwigger Academy

Dec 13, 2022

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InfoSec Write-ups

Write-up: SQL injection with filter bypass via XML encoding @ PortSwigger Academy

This write-up for the lab SQL injection with filter bypass via XML encoding is part of my walk-through series for PortSwigger’s Web…

Dec 12, 2022

Write-up: SQL injection with filter bypass via XML encoding @ PortSwigger Academy

Dec 12, 2022

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InfoSec Write-ups

Write-up: DOM XSS in document.write sink using source location.search @ PortSwigger Academy

This write-up for the lab DOM XSS in document.write sink using source location.search is part of my walkthrough series for PortSwigger’s…

Dec 10, 2022

Write-up: DOM XSS in document.write sink using source location.search @ PortSwigger Academy

Dec 10, 2022

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InfoSec Write-ups

Write-up: Source code disclosure via backup files @ PortSwigger Academy

This write-up for the lab Source code disclosure via backup files is part of my walkthrough series for PortSwigger’s Web Security Academy.

Nov 30, 2022

Write-up: Source code disclosure via backup files @ PortSwigger Academy

Nov 30, 2022

Published in
InfoSec Write-ups

Write-up: Basic server-side template injection (code context) @ PortSwigger Academy

This write-up for the lab Basic server-side template injection (code context) is part of my walk-through series for PortSwigger’s Web…

Nov 28, 2022

Write-up: Basic server-side template injection (code context) @ PortSwigger Academy

Nov 28, 2022

Frank Leitner

Frank Leitner

Tech nerd, doing security stuff for fun and some as a job | CISSP-ISSAP, CISM, IEC62443 Expert, OSCP

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