Are you tired of publishing SPAM? Join me on a journey to set up simple blocklists to auto-filter based on origin and sender for Postfix mail servers.

If you're in academia, you likely know publishing SPAM. For those that are not (or missed out on the pleasure so far), publishing …

Another year, another CCC. It's been a long road from Berlin to Leipzig and Hamburg. Each year, I repeat the ritual of going to the "Kongress", the most amazing hacker get together in the world. The Kongress is special, hackers of all denominations meet, engage, hack, and enjoy a few …

2024 was an active year for the HexHive research group, marked by tireless efforts to enhance the security of various complex systems. A key trend throughout the year was the continued evolution of fuzzing research. Notably, we observed a gradual shift away from general-purpose fuzzing as a primary research focus …

Niklaus Wirth, known for his work on programming languages and systems, died on January 1st, 2024 (ETH Zurich). Wirth was known for his work on programming languages and systems with a keen focus on simplicity and functionality for which he was awarded the 1984 Turing Award. His most well-known language …

After a three-year hiatus due to the pandemic, the Chaos Communication Congress is finally back at an onsite venue. For those that don't know, the congress is the biggest hacker Conference in Europe. It is known not just for deep technical talks and amazing hacks but also for political talks …

In 2018, when I moved from Purdue University in the US to EPFL in Switzerland, I had the opportunity to apply for an ERC H2020 starting grant in computer science. ERC starting grants are similar to the NSF Career award and can be submitted up to 7 years after completing …

Due to the risk of "cyber threats", many universities are switching to second factor authentication to log into their VPNs. Many companies moved to second factor for VPN authentication quite some time ago to protect their perimeter from external access. The idea is that users have to provide two factors …

Every December a lot of prospective students reach out to faculty regarding PhD programs. This is the time where we review the students and assess their skills and potential along many dimensions such as past research, research ideas, engineering capabilities, and systems experience. These discussions along with the submission of …

Yesterday we concluded the NDSS20 PC meeting. In total, 12% of papers were accepted, 6% now have a short fuse major revision opportunity, in line with other top tier conferences. The PC chairs handled the meeting well, striving for positivity and feedback for the authors. Overall, this was a great …

While traveling through Europe, I logged into my Expedia.com account and something odd happened: instead of being logged in, the Expedia system decided to redirect me to Expedia.ch and created a new account. Oddly, it copied all my credit card details, account information, frequent traveller details, and individual …