In the context of the booming digital age, the Internet has become an indispensable part of modern life. However, along with that remarkable development is the increase in online threats. Phishing websites, malicious links, and fraudulent traps are becoming increasingly sophisticated. Therefore, the need for a comprehensive security tool, helping users confidently surf the web without having to worry about information security, has become more urgent than ever. To meet that need, the LinkWall application was born, acting as a solid “firewall”.