RSS Parrot

European Cybersecurity Challenge 2025 - Warsaw hosts European Finals!

https://hexarcana.ch/b/2025-10-06-european-cybersecurity-challenge-2025-in-warsaw/

Published: October 6, 2025 00:00

Poland is hosting the European Cybersecurity Championship finals for the first time in history. From October 6 to 9, Torwar Hall in Warsaw is buzzing with life. The venue has become a battleground for the most talented young cybersecurity specialists from…

CONFidence 2025 - We’re a partner and we have a discount for you!

https://hexarcana.ch/b/2025-05-22-confidence-2025-discount/

Published: May 22, 2025 00:00

From June 2-3, 2025, EXPO Kraków will host a special edition of CONFidence – the oldest and most respected cybersecurity event in Poland. This is a significant year as the conference celebrates its 20th anniversary, bringing together experts, researchers,…

Paged Out! #6 is out - a feast of cyber-tech insight

https://hexarcana.ch/b/2025-04-07-paged-out-6-is-out/

Published: April 7, 2025 00:00

We're genuinely proud to be behind Paged Out!, an experimental, ultra-technical magazine where each article fits on exactly one page. This unique format makes every issue a treasure of condensed knowledge, clever hacks, tricks, and technical deep dives…

The Most Important HexArcana Events in 2024

https://hexarcana.ch/b/2025-03-06-hexarcana-in-2024/

Published: March 6, 2025 00:00

Last year for HexArcana was filled with exciting challenges, valuable meetings, and crucial initiatives. We’ve developed our business, participated in prestige conferences, and what is the most important, conducted a series of intense courses. Take a walk…

Paged Out! #5 is out!

https://hexarcana.ch/b/2024-11-19-paged-out-5-is-out/

Published: November 19, 2024 00:00

One of our favorite projects, that HexArcana is helping with, is Paged Out!—an experimental deeply technical magazine where each article is exactly one page. And great news—issue #5 just came out today, with 68 pages and wounderful cover art by Mark Graham…

Don't miss our "CVEs of SSH" talk!

https://hexarcana.ch/b/2024-11-18-cves-of-ssh/

Published: November 18, 2024 00:00

We're really happy to be able to invite you to our first free online talk – Dan Murray's "CVEs of SSH"! The "CVEs of SSH" talk take place on Thursday (8PM GMT+1) and will cover recent high-profile issues related to the SSH ecosystem. You can expect…

Base64 Beyond Encoding – Steganography and Canonical Form (part 2)

https://hexarcana.ch/b/2024-08-19-base64-beyond-encoding-p2/

Published: August 19, 2024 00:00

Part 1 discussed the last two or four unused bits at the end of the Base64 string. Those bits should be zeroed but generally nothing verifies that, so they can also be used for different purposes. In this final part 2, we will focus on the more obvious…

Base64 Beyond Encoding – Steganography and Canonical Form (part 1)

https://hexarcana.ch/b/2024-08-16-base64-beyond-encoding/

Published: August 16, 2024 00:00

A mistake very often made by beginners (and which IS NOT the topic of this post) is calling Base64 encoding “encryption”. Base64 is of course no encryption as dr Iwona Polak brilliantly explains in her newest LI entry (PL only). That being said, Base64 and…

Top 100 assembly instructions (‍x86‍-‍64‍)

https://hexarcana.ch/b/2024-08-12-top-100-x86_64-asm-instructions/

Published: August 12, 2024 00:00

As we're in the midst of preparing an "introduction to reverse engineering and assembly" workshop (to be officially announced soon), we've asked ourselves the obvious question: which of the hundreds of x86-64 assembly instructions one should start with.…

HexArcana's 2023 Conference Highlights

https://hexarcana.ch/b/2024-01-03-hexarcana-at-conferences-in-2023/

Published: January 3, 2024 00:00

Year 2023 was full of events for HexArcana. Our managing director—Gynvael Coldwind—participated in a series of cybersecurity conferences and educational events. Here is a review of our presence at the most important conferences and university meetings in…