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DNS Redirection Attack
Posted inCommunication Security Cyber Security

DNS Redirection Attack

A DNS Redirection Attack (also known as DNS Hijacking) is a cyberattack where an attacker overrides a system's Domain Name System (DNS) settings to falsely redirect traffic.Instead of landing on…
Posted by Jordy Barends July 3, 2026
Dns amplification attack cloudflare
Posted inCommunication Security Cyber Security

DNS Amplification Attack

A DNS Amplification Attack is a popular and highly effective form of a Distributed Denial of Service (DDoS) attack. It relies on two core vulnerabilities: open DNS servers and IP…
Posted by Jordy Barends July 1, 2026
Encrypted DNS Traffic: DNS over HTTPS and DNS over TLS
Posted inCommunication Security Data Security

Encrypted DNS Traffic: DNS over HTTPS and DNS over TLS

https://www.youtube.com/watch?v=6hLHMA_tJ8k&t=2 Both DNS over HTTPS (DoH) and DNS over TLS (DoT) are protocols designed to encrypt traditional, plain-text DNS queries. Historically, your DNS requests (like looking up google.com) were sent…
Posted by Jordy Barends June 24, 2026
What is HTTP and HTTPS: Web Browsing and Network Connections
Posted inCommunication Security Data Security

What is HTTP and HTTPS: Web Browsing and Network Connections

https://www.youtube.com/watch?v=AB0VMbvEz7g&t=3 To understand how you browse the web, think of the internet as a massive network of roads. Your web browser (the client) is a car traveling down those roads…
Posted by Jordy Barends June 24, 2026
Network Security: Firewall on Linux With IPTables (Advanced)
Posted inCommunication Security

Network Security: Firewall on Linux With IPTables (Advanced)

https://www.youtube.com/watch?v=6Ra17Qpj68c&t=4 iptables is a powerful, built-in command-line utility used to configure the Linux kernel's Netfilter firewall. It works by inspecting network packets and deciding what to do with them based…
Posted by Jordy Barends June 24, 2026
Restrict Network Traffic With: Windows Firewall
Posted inCommunication Security

Restrict Network Traffic With: Windows Firewall

https://www.youtube.com/watch?v=zaHNZvLXCrY&t=164 Windows Defender Firewall is one of the most effective, built-in tools for securing a Windows machine. It operates by inspecting incoming and outgoing network packets and either allowing or…
Posted by Jordy Barends June 24, 2026
Wat is Tails OS: Hoe installeer je Tails OS (NL)
Posted inCommunication Security Data Security Online Privacy

Wat is Tails OS: Hoe installeer je Tails OS (NL)

https://www.youtube.com/watch?v=njmhwz1R-Xg&t=3 Als je met gevoelige gegevens moet werken, online surveillance wilt omzeilen of gewoon met een schone lei wilt internetten, dan is Tails OS een van de krachtigste hulpmiddelen die…
Posted by Jordy Barends June 22, 2026
Introduction to Tails OS: Setup Tails
Posted inCommunication Security Data Security Online Privacy

Introduction to Tails OS: Setup Tails

https://www.youtube.com/watch?v=-f6cgUKBUXg&t=33 If you need to work with sensitive data, evade online surveillance, or just want a completely clean slate when browsing the web, Tails OS is one of the most…
Posted by Jordy Barends June 22, 2026
Versleuteld Chatten en Videobellen: MEGAchat
Posted inCommunication Security Online Privacy

Versleuteld Chatten en Videobellen: MEGAchat

https://www.youtube.com/watch?v=3PjkQUhSMmI&t=26 🚫👁 MEGAchat (tegenwoordig volledig geïntegreerd in het grotere MEGA-ecosysteem) is een communicatieplatform dat zich volledig richt op privacy en veiligheid. Het werd oorspronkelijk gelanceerd door de cloudopslagdienst MEGA als…
Posted by Jordy Barends June 20, 2026
Need To Know Principle: OPSEC
Posted inCommunication Security Operational Security

Need To Know Principle: OPSEC

The Need-to-Know Principle is a core security doctrine which dictates that a person should only have access to the specific data, files, or systems necessary to perform their immediate job…
Posted by Jordy Barends June 19, 2026

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