DNS hijacking: when someone else answers in your domain's name

Your users type your domain into their browser. They get a login page that looks exactly like yours. They enter their credentials. You never see any of it. That's DNS hijacking. No one broke into your servers. No one touched your code. They just changed where your domain points. How DNS actually works (the part that matters) When someone visits yourapp.com, their browser asks a DNS resolver: "what IP address is this?" The resolver checks its cache, and if it doesn't have an answe...