VEXELOPS
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English articles
Readable guidance for safer accounts, clearer communication, and stronger privacy habits.
Thinking about entering the field of cybersecurity? Flipping through job recruitment sites may leave you puzzled by a list of certification acronyms. What’s the difference between OSCP, CEH, and CISSP, and which should you prepare for first? This article breaks down the positioning differences of
CTF may sound like a term that only appears in hacker movies, but in reality, it is the most common legitimate training ground in the global cybersecurity community, with actual prizes to be won. This article explains how CTF competitions operate and how complete beginners can start getting
Finding security vulnerabilities in websites or apps and reporting them to the authorities can earn you a reward. This mechanism sounds like an urban legend, but it is a well-established industry that has been operating for many years. This article introduces the operation of bug bounty platforms
After discussing a topic with friends, related ads pop up in apps, leading many to suspect their phones are listening. This article explains the technical reasons behind this phenomenon and why the answer is usually not as simple as eavesdropping.
Many people assume that chatting on Telegram automatically ensures encryption; however, regular chats and secret chats offer vastly different levels of protection. This article explains the technical differences between the two and when to use each one.
You may be using Telegram on your phone solo, but suspect other devices are somehow syncing messages. How does this happen? This article explains the workings of Telegram's desktop QR Code login and how to check and remove unknown logged-in devices.