Cybersecurity

Why simple passwords are not enough: how brute-force attacks work, how long cracking takes, and how to create strong passwords that are truly hard to break.

WireGuard vs OpenVPN compared: speed, security, configuration complexity, and use cases. Which VPN protocol should you choose for personal or business use?

How password hashing works: MD5, SHA-256, bcrypt, and Argon2 compared, salting explained, rainbow tables, and why the choice of algorithm is critical.

WireGuard: the fastest and most modern VPN protocol. Under 4,000 lines of code, Linux kernel space, ChaCha20 encryption, and why it is replacing OpenVPN fast.

Firewalls, IDS, and IPS explained: what they are, how they work, and key differences between intrusion detection and prevention systems for network security.

How VPNs work: encrypted tunnels, WireGuard, OpenVPN, and IPsec protocols explained with concrete use cases for privacy and security on public networks.