Covering the newest threats can sometimes be time consuming, especially if you are going rampage and google your way through the web and/or scrolling through hundreds of twitter feeds daily. Using this way, you reduce OSInt/ThreatIntel to a “let me google that for you” and important details tend to...
The plan was to give this talk on a security conference, but due to health issues in my family, I had to skip. To make sure, that the invested work is not lost, here are the german slides (PDF) of my talk: Pentest Geraffel Mein Aufbruch in eigentlich bekannte Gefilde… Version 1.4 – 11/26/2019 The w...
A few days ago, my family doctor grounded me. The reason was a starting loos of hearing. Work and stress, based on my job and personal things, generated to much pressure. Even with the knowledge what could happen, I ignored the warnings from my body and pushed me further and over my personal limits...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
Welcome to a special edition of your weekly security fuu! At first, we have to switch into the Frankenstein Buzzword Mode: Cyber Self Learning Agile Scrumbased and Deep Learning AI Driven LEAN Based IOT Blockchain Sounds strange, doesn’t it? Now think about this… Go into an office filled with busine...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
Long before it was cool… …if it ever was or will be cool… I had an animated intro on every post, with different content.
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
nough is enough! My old hoster is generating more and more work for me regarding let’s encrypt certificates. The last recurring issues was a broken chain of trust for the issued certificates. It was extremly annoying, especially because the only thing I could do was waiting for a fix. To give you a...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
Due to the fact, that I can not sleep, I’ve finished the work on the security tools database. You can get it here: Security-Geraffel - github Enjoy and have fun!
I’m back. Vacation, Mimimi (flu) and work took their toll. Sorry for the long delay, but sometimes things are not working as planned. The name of this post, is a reference to a twitter post from @alech ;) Let us start with something completely different… After a year of weekly security foo posts,...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
I am uploading my older Weekly Security Fuu posts one after another. Just to get things done and to put everything in one place.
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
What is this and why does it exist? All links, the content behind and the opinions there are not mine. If you follow an external link, it is your problem, not mine if you do not like, what you find there. Please be aware, that this is just a list of topics I find interesting. All mentioned securi...
A few weeks ago, I started to inform my collegues about security stuff from different sources like twitter and so on. At first it was just something I did for myself. It was not planned for the big show. But at the end of the day, collegues started to react on the things I was posting. To make thi...
Sorry for the long delay between the posts. I was right in the middle of some changes in my life and my job. Things developed pretty well and I got the chance to proof, what I am able to do if you unleash me. After many years as developer, banker, IT Support and last but not least, as a pentester, ...
As result of my last experiences I tried to secure this blog a little bit more than usual. But most of the known steps are not working, because of the strict apache settings from my hoster. As preparation for an other big step, I reformated everything and converted it to jekyll. Sometimes static fi...
Recently I had the chance to give a talk about the things I do on daily basis. And here it is: Upcoming security enhancements for Webpages and how to use them Version 1.0 – 12/09/2015 Topics Content-Security-Policy Web App Manifest Subresource Integrity Sandboxing HTTP/2.0 Used Internet Resources ...
After talking with a new colleague, I got asked why I did not write a simple bash script using sha1deep. To make things short… thank you Norbert for that! :) The script itself is based on a idea from him. So all credits go to him! To make things easier and usable for additional functionality, I dec...
During the conception phase of my script, I discovered several risk: Receiving of files Ensuring the integrity of files Securing the analyzing script against malicious attacks Beside of these risks, there are many more, which I will point out in later blog posts. In the next chapters I will try t...
Preface Hosting several webpages for someone else means not even to be responsible for their accessibility or to do regular backups. It means to make sure, that measures are in place to detect changes to the code of the webpages itself. Especially if you are using solutions like WordPress or phpBB,...