Chaos Computer Club - archive feed

Als je je eigen opsporingsteam krijgt, dan doe je het pas goed. Piraterij van muziek en films was midden jaren 90 zo groot dat 1 op de 4 verkochte cd's illegaal was. De piratenmerken waren bekend in ieder huishouden. De tientallen merken werden aangevoerd door MTV en Twilight. Hoe groot was het nou echt: dat zie je pas als je alles gaat verzamelen. "And so we did": duizenden cd's, tapes en DVD's l...

Van een defecte UPS tot een autonome huisomgeving die zelf energie inkoopt en verkoopt op de meest gunstige en voordelige momenten. Hoe je een huis uit 1928 toch energiezuinig kunt maken door middel van het slimme gebruik van domotica, IOT, zonnepanelen, accu's, infraroodpanelen, warmtewerend folie, airco's en slim gasverbruik met een HR-ketel. Als kers op de taart laten we je zien hoe je gebruik...

I call myself "The Lamest Hacker You Know". I don 't use Kali, 0days, Burp Suite or any tools besides Curl, A browser, and clients for existing software, combined with (semi) open data sources. Probably 90% of my findings are for companies that don't have a CISO an never even heard the term "Bug Bounty Program", In this talk I will give some tips on how to reach out to a company out-of-the-blue an...

Meet Acme, a wonderful company where nice people make beautiful things... and then management and sales want nice statistics. Acme is a company like many others. They have been making beautiful things in their factory and workshops for years, but the recent modernization drive also appears to have another side... What is OT and why is it so special? Join us for a short journey through the wonderfu...

Hackerspace Pixelbar was once the hottest hackerspace in the Netherlands, things happened and awesome people gathered once again to fix things. After a terrible fire at hackerspace Pixelbar (Rotterdam) on 28th of June 2023 (https://pixelbar.nl/2023/06/28/Pixelbar-has-experienced-an-unexpected-issue/) There was a need to rebuild the awesome and safe space we got to love. In this talk we will take y...

An engineer buys a camera in a second hand store, and finds herself bringing back a defunct film format. When home movies on 8mm film were king, there was a format war between Kodak's Super 8 and Fuji's Single 8. Just like Sony's Betamax in the home video wars, Fuji's technically superior contender lost the battle, and the final Single 8 cartridges were manufactured in about 2010. The physical dim...

We all love bedtime stories, and these stories are even better when they turn into reality. This cinderella story is about how a big vendor rolled its own algorithm to "encrypt" its firmware images to deter poor hackers like us from fiddling around and potentially uncover flaws. But what if your motive is not to uncover potential flaws, but simply to agnostically fingerprint devices left vulnerabl...

Ransomware is still a serious threat to a lot of people and organisations and nowadays using more and more advanced techniques. And now also with new open AI technology, criminals are able to organise a sophisticated attack in minutes to target you and steal your data. This talk will tell us what Ransomware actually is, who’s writing the code and making money out of it, it shows us a bit of the Ra...

Critical infrastructure like data centers needs to be well protected. While there is lots of cyber security knowledge around at Hacker Hotel, in this talk we want to share knowledge on the physical security side of protection. Physical security measures are mostly controlled by PLC's. Thus physical security bears cyber risks as well. The talk will cover: How are physical security measures designed...

How organisations adopt buzzwords from the market and incorporate them into tenders, RFPs etc. During this session we will look at all the marketing buzzwords like SIEM/SOC, we go in-depth on topics such as pentesting, Unicorns, SIEM, signatures and, of course, compliancy vs. security. There will be a short panel discussion on how we as a community can change the mindset and make sure organisation...

Nancy and Chantal want to talk about being an ally in the community. more info is coming! Nancy and Chantal will take you through a way to be a better ally. about this event: https://pretalx.hackerhotel.nl/hackerhotel-2024/talk/Y3WFEZ/

In this talk i will share the plans of the Dutch government on building a quantum computer resistive infrastructure. The government actually started last year with its program. Whats the plan of the central government now and in the next years, nation wide and internationally. In this talk i will share the plans of the Dutch government on building a quantum computer resistive infrastructure. The g...

The Dutch Electoral Council has asked a bunch of nerds to help them with new software for the elections. What is needed and how can you help? The Dutch Electoral Council has asked a bunch of nerds to help them with new software for the elections. The main source of truth in the Dutch elections are the paper documents, the software is there to support the process and assist with simple tasks. Given...

Dive into the World of Cybersecurity Excellence with DIVD Academy: A Journey of Skill Enhancement and Threat Mitigation. This talk explores the pivotal role of DIVD Academy in shaping cybersecurity professionals, fostering skill development, and equipping individuals to combat evolving digital threats. Discover the cutting-edge training methodologies, industry insights, and real-world scenarios th...

In security one of the biggest changes will be the fact that on Oct 17th a lot of organisations need to have implemented. A big challenge for many organisations who haven't got a clue. But what do you need to do? And what does that mean? One of the solutions maybe to take a feline approach to NIS2 and fulfill parts of the compliance needs with OpenKAT. Not just for organisations, but also for soft...

When we talk about tech stacks we usually think about big organizations running systems, but in the current day and age we too have a large digital footprint. In this talk we will go over mapping out our personal tech stack and start identifying any threats that could be useful to help prevent stalking and harassment, or at least be aware of the risks you encounter so you can make informed choices...

What is this DES and why is it bad? Should I always use AES-256, bigger is better right? Who are these RSA-dudes in the first place and why do I need 25519 elliptic curves in my life? Is quantum really that bad for encryption and what can I do about it? If these are questions keeping you up at 05:00, then this talk might be for you! Cryptography is not only essential in our modern-day lives, but i...

Nico Dekens a.k.a Dutch_OSINTguy, a renowned open source intelligence professional, has noticed recurring patterns in content created using artificial intelligence. He demonstrates how he has used OSINT tools and even basic search engines to locate and identify online accounts that appear to be using autogenerated website content, social media posts, reviews, and hate speech. The proliferation of...

Ham radio is a nice hobby, with a bit of overlap with the hacker community. It's a very technical hobby, with a lot of variation. Much more than an Old Man talking on the radio all day. Ham radio is a nice hobby, with a bit of overlap with the hacker community. It's a very technical hobby, with a lot of variation. Much more than an Old Man talking on the radio all day. As a licensed HAM you have a...

Social Engineering 102: Hacking influence. How to get people to trust your judgement. Your level of influence, in buisines or daily life, has little to do with your level of compentence. It can be very frustrating to see all your great ideas getting shot down by the people in charge. More so when silly ideas dó get accepted. But how does influence work? Hoe can you get the higher-ups to listen and...

Mechanical safe locks are quickly replaced with their electronic counterparts. While there are many benefits, the security implications are far less understood than the mechanical systems. Jan-Willem collects and researches electronic safe locks and will share his thoughts. From dumping chips with lasers to locks which can be opened with ketchup. We use safes to protect our valuables from threats....

This talk explores the concept of hackersguilds, groups of engineers collaborating to enhance internal information security. Through various activities such as answering inquiries, conducting internal pentesting exercises, and participating in CTF competitions, hackersguilds empower engineers to actively contribute to an organization's security efforts. The talk provides practical insights into in...

You can hack all sorts of things. Software, hardware. But being a hacker, what makes more sense than to hack oneself? Hackers have been turning themselves into bionic man, but we can also just hack our brain, using just out brain. I am talking about lucid dreaming: dreaming while you are aware of doing so and able to shape your dream. This talk will discuss what we know so far about lucid dreams a...

More and more decisions are made or prepared automatically, with "computer says no" making it really harmful at crucial moments. For many people, it is then unclear whether you have rights and what those rights are. Yet there are steps you can take to successfully fend for yourself. This talk lays out some hacks and will be the presentation of the report 'Computer says no, but the law says yes'. G...

WOOt do we want? Freedom for our software! When do we WOOnt it? Now! This talk is about the journey into opensourcing software used and made by our governement. We will introduce you to the Wet Open Overheid (WOO) and explain how this law allows you to request the source of certain software. Then we’ll provide you with a step-by-step guide how you can woo (yes, that’s a new verb we made up) softwa...