Security Blog

Expert articles on password security, online privacy, and cybersecurity best practices to help you stay safe online.

Čte Google vaše zprávy?

Interaktivní přehled dat, která Google sbírá z Gmailu, Disku a dalších služeb.

What Is Ransomware and How Does It Work?

Ransomware attacks cost businesses billions and ruin lives. Understand how ransomware infects systems, encrypts your files, and what you can actually do to prevent and recover from an attack.

How Websites Track You Without Cookies

You deleted your cookies, use private browsing, and even block trackers. But websites still know exactly who you are. Here's how browser fingerprinting, canvas tracking, and invisible pixels work.

Why VPN Doesn't Always Protect You

VPNs are marketed as the ultimate privacy tool, but they have serious limitations. Learn what a VPN actually does, what it doesn't do, and when you're still vulnerable.

How QR Code Attacks Work (And How to Stay Safe)

QR codes are everywhere — menus, parking meters, ads. But cybercriminals exploit them to steal credentials, install malware, and drain bank accounts. Learn to spot malicious QR codes before scanning.