The Misconception IP allowlisting involves configuring your origin server to accept connections only from specific IP addresses – in this case, Cloudflareās IP ranges. The logic seems sound: by allowing only trusted IPs, you reduce the risk of unauthorized access. Unfortunately, this method overlooks several attack cases that can be exploited. My Observation Over the years, Iāve noticed numerous security…
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WordPress is the most widely used CMS of all. But after the setting it up, most do not think further about security. Therefore, vulnerabilities in WordPress are particularly lucrative. Outdated versions, for which public vulnerabilities are known, are detected and attacked by so-called crawlers and bots. This usually happens fully automatically. Often the goal of these automated attacks is to…
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I had a great time last week at OWASP Frankfurt’s 63rd meetup all about #GenerativeAI and #Security! We dived into deep fake detection and ways to bypass it ā truly eye-opening.We also explored the impact of AI generated code on software security with a GitHub Copilot case study. Plus, plenty of pizza and some fantastic home-brewed beer by Check24. If…
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During my time in Toronto, it was not just about security of LLMs but also a lot about reunion and meeting fantastic people, one story I definitely wanted to share with you: Four years ago, in my previous role at EXXETA in Stuttgart I was mentoring Fabian, an enthusiastic working student. Since then, it’s almost as if fate keeps bringing…
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Just wrapped up my second session on Software Quality Engineering co-lecturing with Prof. Dr. Katja Wengler at DHBW Center for Advanced Studies in Heilbronn, Germany, and I’m once again struck by the incredible dynamism of these lectures. The level of engagement always astounds me. š Day 1 was all about DevSecOps and Secure-SDLC, where we dived into secure coding practices,…
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I had a great time speaking at ThreatCon.io Hacking Conference in beautiful Kathmandu, Nepal. During my talk we discussed the new world of LLM auto-suggested code and therefore it’s influence on secure coding. One of the key findings I demoed is, that while tools like GitHub Copilot can speed things up, they sneak in various vulnerabilities. But we also discussed…
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These vulnerabilities have a common characteristic: they are inherent features of programming languages or libraries. However, it took a considerable amount of time for them to be recognized as attack vectors and actual vulnerabilities. The existence of these vulnerabilities, previously unknown until their public disclosure, resulted in a substantial and previously unidentified attack surface for malicious actors. This discovery had…
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Today I developed a python tool to automate some processes in our vulnerability management. For this task I decided to use GitHub Copilot. Mostly by using code comments (#, //) Copilot wrote the code for me, so I did not have to care much about syntax or function names, which I keep forgetting when I am not coding in Python…
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In today’s digital age, data has become a valuable asset for organizations, and it is collected, processed, and stored at an unprecedented rate. This data contains sensitive personal information that should be kept private, and if not handled with care, can cause severe consequences for individuals and organizations. As a result, privacy engineering has emerged as a crucial discipline that…
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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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