Good news:

- THCon prechal (teaser) is out: https://thcon.party/prechallenge/
- FCSC registration is out: https://fcsc.fr/

#thcon #fcsc #ctf #france

Our HQ in Karlskrona, Sweden buzzed with energy last week for our annual student evening!

Students tackled a mini-CTF with 25 tasks in the form of Hacker-Bingo, collectively solving 247 challenges in just a few hours, showing an incredible display of skill and creativity. Beyond the games, it was a great opportunity to gain practical experience and learn how different cybersecurity departments operate.

Who is already looking forward to the next edition? 🖐️

#CTF #CybersecuritySweden

Details here: https://ncc-cnc.ca/ctfseries/#:~:text=Winners-,National%20Final,-June%2017%2C%202026

Caption:
🚩 Calling all cybersecurity students! The Mastercard CTF Series, presented by the National Cybersecurity Consortium, is a national competition where Canadian post-secondary students compete in ethical hacking, cryptography, digital forensics, and more.

Regional events are happening across the country, with top teams earning a spot at the National Final on June 17, 2026 in Montréal.

Hackforge is proud to support opportunities like this for our local tech community. If you're a student in Windsor-Essex, this one's for you. 💻

Details + registration: https://ncc-cnc.ca/ctfseries/#:~:text=Winners-,National%20Final,-June%2017%2C%202026

|🚩 Canadian post-secondary students — the Mastercard CTF Series is on! Compete in ethical hacking, cryptography & digital forensics. Regional events lead to a National Final on June 17 in Montréal. Hackforge cheering on our Windsor-Essex folks! Details: https://ncc-cnc.ca/ctfseries/#:~:text=Winners-,National%20Final,-June%2017%2C%202026
#CyberSecurity #CTF #Hackforge

Am 28. April veranstalten wir an der Technische Hochschule Würzburg-Schweinfurt ein Capture the Flag.

Anhand spannender Aufgaben könnt ihr euer Hackerwissen testen.

Das CTF findet im Jeopardy-Style statt. Ihr tretet gegen andere Teilnehmer in verschiedenen Kategorien wie Web-Schwachstellen, Exploitation und Kryptographie an, um Punkte zu sammeln und euch den Sieg zu sichern. 🏆

Auf den Gewinner wartet ein Preis.

Kommt gerne vorbei! 😀

#ctf #hacking #cybersecurity #Würzburg

Think you know Kubernetes? Prove it.

Luc Juggery runs a Capture the Flag session at DevOpsDays Zürich 2026. Get access to a real cluster, search for hidden clues, and solve challenges under time pressure.

No slides, no theory. Just you, kubectl, and a ticking clock. Challenges for all levels.

https://www.devopsdays.ch/event/program/workshops/luc-juggery/

#DevOpsDays #DevOps #Kubernetes #CTF

$ echo "776F6C6E6F" | xxd -r -p
wolno

$ echo "d29sbm8=" | base64 -d
wolno

$ echo "jbyab" | tr a-zA-Z n-za-mN-ZA-M
wolno

Four encodings. Four stages. One word at the end of each chain.

The word persists through every transformation. That's the point.

Try the initiation: https://776f6c6e6f.org/initiation/

#Hex #Base64 #ROT13 #WOLNO #Decoding #CTF #wln

Learn something new every day! Today's lesson: a fundamental difference between x86 and ARM is how the return address for a function call is passed. The x86 CALL puts it on the stack, while ARM puts it not on the stack but in a register (Link Register LR, X30).

Now today's lesson comes from TAMUCTF2026, and it is about MIPS. There, the return address is also passed as register, just like on ARM. On MIPS, it's the Return Address register ($RA / $31).

#ctf #cybersecurity #x86 #arm #mips #ra

The last wave for today for BSidesSF #CTF is out now, hope you have fun solving the challenges! We will have 2 more waves tomorrow at 9:00AM and 10:30AM PDT.

Join us at https://ctf.bsidessf.net and join the chatter on Discord at discord.gg/dCFQ5XAaQC.

We are proud to be at ZeroDays CTF today as a community supporter.

Conor and Isabelle are on the TOG stand teaching lockpicking and hosting two CTF challenges throughout the day. It is great to bring a bit of hands on making and problem solving into the event, and to meet so many people from across the security community.

If you are at ZeroDays in Croke Park today, drop over and say hello to the team.

#ZeroDaysCTF #TOGHackerspace #Lockpicking #CTF #CyberSecurity