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For experienced

🏠 CyberSet › Posts › For experienced
DNS_PROBE_FINISHED_NXDOMAIN Chrome error: how to fix NXDOMAIN, check whois domain and dig. DNS resolution diagnostic tools and Windows cache fix
🕒 Reading time: 5 min
Posted inFor experienced Protocols and infrastructure Step-by-step instructions

DNS_PROBE_FINISHED_NXDOMAIN: What is this error and how can it be fixed?

DNS_PROBE_FINISHED_NXDOMAIN is one of the most common DNS errors in Chrome, which makes websites unavailable to a significant portion of Windows users in Ukraine. In this article, we will look…
26.01.2026
Повний посібник із безпеки WordPress 2025: захистіть свій сайт, зображення із замком, ключем, попередженням та іконками безпеки навколо логотипу WordPress.
🕒 Reading time: 5 min
Posted inChecklists and cheat sheets For experienced Penetration testing and CTF

Ultimate WordPress Security Guide: Protect Your Site in 2025

WordPress powers over 40% of all websites worldwide, making it a prime target for hackers and cybercriminals. From small blogs to large e-commerce platforms, vulnerabilities in your WordPress site can…
22.08.2025
Log4Shell: How it works and how to protect yourself?
🕒 Reading time: 3 min
Posted inFor experienced News Threats to data and systems

Log4Shell attack: How it works and how to protect yourself?

At the end of 2021, the cybersecurity world was shaken by the news of a critical vulnerability in the popular Apache Log4j logging library known as Log4Shell. This vulnerability (CVE-2021-44228)…
08.09.2024
2FA: What is Two-Factor Authentication?
🕒 Reading time: 2 min
Posted inDevice protection For beginners For experienced

Two-Factor Authentication: What is it?

Two-factor authentication (2FA) is an additional layer of security for your account that requires two different types of verification to access your account. This can be something you know (a…
06.09.2024
SEToolkit: Using the tool for phishing attacks
🕒 Reading time: 3 min
Posted inFor beginners Penetration testing and CTF Social engineering

SEToolkit: A tool for phishing attacks

Phishing is one of the most common methods of cybersecurity fraud. Attackers create fake websites or emails that look like the real thing to gain access to sensitive information. In…
27.08.2024
Network utilities: Ping, Traceroute, WHOIS, Dig
🕒 Reading time: 4 min
Posted inChecklists and cheat sheets For beginners For experienced

Network utilities: Ping, Traceroute, WHOIS, Dig

Network utilities are an important part of the toolkit for both system administrators and users who want to understand the state of their network. Let's take a closer look at…
22.08.2024
Nmap: What is it and how to use it?
🕒 Reading time: 5 min
Posted inChecklists and cheat sheets For beginners For experienced

Nmap: What is it and how to use it?

In the ever-changing cybersecurity landscape, it's important to have tools at your disposal to help you assess your network's security and identify potential vulnerabilities. One such tool in particular is…
15.08.2024
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