QR codes (Quick Response codes) are everywhere these days: on restaurant tables, parcels, posters, tickets, and business cards. They’re incredibly convenient — just scan with your phone and you’re instantly taken to a website, a digital menu, or even connected to Wi-Fi. But how safe are QR codes, really? Do you actually know what data…

You’ve surely encountered pop-up messages saying “We use cookies” or “Accept all cookies” while browsing the web. These cookie banners have become so common that many users click through them without hesitation — but what really happens to your personal data when you click “Accept”? While some cookies serve purely technical purposes, others track your…