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hackArcana
@hackarcana.bsky.social
35 followers 13 following 15 posts
Train your Hands-on Cybersecurity Skills → https://hackArcana.com
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hackarcana.bsky.social
🚨 Learning C/C++?
Beware of this classic trap: unspecified argument evaluation order!
Different compilers = different results
See why a specific tiny piece of code can behave wildly differently here hackarcana.com/code-print
April 16, 2025 at 6:01 AM
hackarcana.bsky.social
🟢 It’s not too late to join us!
The Mastering Binary Files and Protocols workshop starts tomorrow (Apr 8) at 6pm CEST.

If you sign up today, you’ll still get:
✅ A spot in all of the live sessions
✅ Full access to all recordings
✅ 10% off with code MBF-HBS-10

Register here: hackarcana.com/bin
April 7, 2025 at 11:00 AM
hackarcana.bsky.social
👇7 benefits of joining Mastering Binary Files and Protocols 👇
✔️ Real binary skills
✔️ Faster debugging
✔️ Security mindset
✔️ Independence
✔️ Career boost
✔️ Problem-solving
✔️ Data insight
🗓️ Starts April 8
🎥 Live sessions + downloadable recordings
💸 MBF-HBS-10 = 10% off until April 7
🔗 hackarcana.com/bin
April 4, 2025 at 8:09 PM
hackarcana.bsky.social
🚨 Last hours to join our free webinar with a legend – Gynvael Coldwind!

What’s inside?
• Real file handling mistakes
• Weird path behavior
• Hacker’s perspective on files
• Even a bit of forensics 👀

🧩 Perfect for devs, admins, hackers & the curious.

⏳ Time’s running out → hexarcana.ch/lp/files
March 31, 2025 at 7:31 AM
hackarcana.bsky.social
What will you learn in this webinar?

🧩 What is a file—really?
🧠 Hidden file features & common dev mistakes
📁 Weird world of file paths (yes, it gets strange)
🔍 A glimpse into digital forensics

🗓 March 31 | ⏰ 8 PM CEST | 💸 Free

Save your spot 👉 hexarcana.ch/lp/files/
and see you on Monday!
March 27, 2025 at 7:15 PM
hackarcana.bsky.social
🚨
hackarcana.bsky.social
Did you know pressing CTRL+D can make some C++ programs crash or loop forever? 🤯

That’s because cin enters an error state instead of truly “closing” input. Most apps handle it well—but not all 🙅

Want to see why?

Read our recent article 👉 hackarcana.com/article/ctrl...
March 13, 2025 at 1:18 PM
hackarcana.bsky.social
Pro tip for protocol hand-crafting lovers:
Having problems sending \r\n on Linux? Press CTRL+V to escape the next key press, and follow it up with ENTER to get \r.
CTRL+V, ENTER, ENTER → \r\n
March 8, 2025 at 8:48 AM
hackarcana.bsky.social
⚠️ Sanitizing input is tricky! Removing unwanted HTML tags prevents XSS, but won’t stop SQL injections. To keep your app safe, use validation, escaping, and sanitization where they belong 🔐

🔗 Read more here: hackarcana.com/article/sani...
March 7, 2025 at 9:58 AM
hackarcana.bsky.social
We've got 200% increase in players overnight!
Well, yes, it's 2→4 on the scoreboard, but we're just starting :)

And we have more challenges on the way, a lot more!
March 7, 2025 at 9:36 AM