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Category: AppSec

Recap of OWASP AppSec conference

Last month I attended the OWASP Global AppSec conference in San Francisco. The OWASP conference focuses exclusively on application security, and that’s what I liked about it. The people I met there have the same job description as me: we support software development teams in securing the software development lifecycle and we help to deliver secure products for our customers.…

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My talk at Ekoparty security conference

I just finished my talk at Ekoparty Security Conference Maintrack. It’s day 2 of three and the conference is just a blast. It is such a great selection of presentations and I am looking forward to the new connections I’ve made! Ya estĂĄ disponible la charla de @javanrasokat: "A race against time" ▶️ https://t.co/dI6OoMwleO#MainTrackTalk #EKO2022 pic.twitter.com/GjmTqrWda2 — Ekoparty | Hacking…

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Software Quality Engineering Vorlesung am DHBW CAS

Mit großer Freude durfte ich vergangenen Samstag Prof. Dr. Katja Wengler bei der Mastervorlesung “Software Quality Engineering” am DHBW Center for Advanced Studies (CAS) unterstĂźtzten. Das Modul “Software Quality Engineering” beschäftigt sich mit der Analyse von Softwaresystemen und deren Optimierung. Was ist Softwarequalität, wie kann Softwarequalität bewertet oder verbessert werden? Je nach Vorkenntnissen der Teilnehmer werden Themen wie Refactoring, Clean…

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My upcoming talks at #Eko2022 and #GlobalAppSecSanFran

I am already very excited that I will be giving a talk at Ekoparty security conference 2022 in Buenos Aires. #Eko2022 My talk outline: https://ekoparty.org/en_US/eko2022/main-track-talks-a-race-against-time-javan-rasokat Get your tickets here: https://ekoparty.org (free) #GlobalAppSecSanFran I am also looking forward to be part of the OWASP Global AppSec in San Francisco. My talk is on the last day of the conference. Check out…

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My talk on “Exploiting Race Condition Vulnerabilities in Web Applications” at #HITB2022SIN conference

I was very pleased to give my presentation on race condition vulnerabilities in web applications at this year’s HITB conference in Singapore. The talks with the participants, the other presentations, the organisation, everything was very well done and I was able to exchange ideas with the security community in Singapore and internationally.The people, the city and the food are amazing.Many…

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Race Condition leads to MS Account Takeover

This week security researcher Laxman Muthiyah published his bugbounty write-up “How I Might Have Hacked Any Microsoft Account“. For his finding, he was paid a bugbounty of $50,000 by Microsoft. The researcher describes a vulnerability that theoretically can be used to bypass a rate limit which results in brute-forcing a code. Theoretically, a 6-digit code (1 million necessary attempts) can…

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Review – My path to CSSLP

This month I passed the (ISC)² Certified Secure Software Lifecycle Professional (CSSLP) exam. As I have been studying with the new version revised in late 2020 and have taken the revised exam, I would like to share my experience with you. My previous security certifications were always practically applied certifications, for example for pentesting. For me, the CSSLP was the…

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Review – My path to GXPN

After 3 months of good preparation I passed a challenging GIAC Certification for the GXPN – GIAC Exploit Researcher and Advanced Penetration Tester. The highlights for me were to learn and really understand how to defeat Windows and Linux stack protection, find common mistakes in cryptography implementation and in general to create and customize the tools to make them work…

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Install Kali Linux Subsystem on Windows

Since Kali Linux is not available as an app in the Microsoft App Store, the installation as subsystem requires to run a few commands. 1. First, the subsystem feature must be activated via PowerShell (if not already activated). Enable-WindowsOptionalFeature -Online -FeatureName Microsoft-Windows-Subsystem-Linux 2. Kali Linux is downloaded as an AppX file. We can find a file that is always up…

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