Cybersecurity
📦 Cache Me If You Can
A deep dive into CI/CD pipelines, caching, and the hidden dangers harboring inside.
Cybersecurity
🧱 The Path Through the Wall
A story about how several small mistakes can combine into a critical vulnerability.
Software Engineering
Unix timestamp 1777777777
🫠 I was tracking - and still absolutely missed - Unix timestamp 1777777777. it officially happened on Sun May 03 2026 03:09:37 GMT+0000 ⏰ The previous one I caught on the exact second - 1666666666, and it was awesome! The next one is going to be 1888888888 in November
Personal
✨ First day of work in a new full-time position over at Bybit ✨
This is your reminder that all your dreams can come true. Never give up!
Cybersecurity
🔥 IDOR: The Eternal Classic
A short look at one of the most common vulnerabilities on the web.
Cybersecurity
Small update
I have recently discovered my first Remote Code Execution vulnerability! 👨💻 That is a 10.0 out of 10.0 severity vulnerability that allows malicious actors to execute commands or arbitrary code on a remote server. Scary! Unfortunately, no write-up is available at this point in time, but I believe it&
Software Engineering
🎶🎵 Coded this today, just for fun~ 🎶🎵
Trying out a few Minecraft server ideas I've had for a while 🙂 0:00 /0:00 1×
Cybersecurity
⏰ THE TIME IS UP!
How something as ordinary as response time can quietly expose information.
Cybersecurity
🪲 The dangers associated with non-cryptographically-secure random number generators should not be understated.
Aka why "random" does not necessarily mean unpredictable.
Cybersecurity
📱 Discord is not a safe platform, your account is in danger, and you should move to a different platform ASAP
A deep dive into a widespread moderation system disaster and its consequences for users.
Personal
Welcome to Kolya's Wunderkammer!
🔥 This is where I share all the interesting things I find, my stories and experiences, where curiosity leads the way forward. 🙂 Among other things, here you will find: * cybersecurity posts, write-ups and my findings, * occasional crypto market thoughts, * educational materials, common mistakes and incorrect assumptions that I encounter on the
Trading
A Step-by-step Guide on Crashing the Cryptomarket (with a Minimal Deposit and Maximal Output)
Crashing a low-liquidity cryptomarket is surprisingly simple due to a loophole in Bybit's logic - so here's how YOU can do it.