Digital Login Screen with Hacker Attack Warning UI Animation

This animated login screen features a futuristic user interface, perfect for cybersecurity, data breach, or digital threat content. The animation begins with a username and password input simulation, where an administrator attempts to log in. Following the input, a prominent red warning triangle appears with the text 'HACKER ATTACK,' flashing intensely to convey immediate danger and a system compromise. The digital grid background, coupled with vibrant blue and red accents, enhances the high-tech, urgent tone. This dynamic graphic can be used to illustrate cyber security incidents, login failures, or warnings in technological presentations and digital media.