Digital security is important to protect personal information from theft. It ensures privacy by allowing only authorized access to passwords and accounts. The document profiles three famous hackers - Johnathon James hacked into government agencies as a teenager, stealing data and causing damages. Kevin Mitnick breached national warning systems and stole corporate secrets. Gary McKinnon illegally accessed US military and NASA computers, claiming to search for UFOs. Strong digital security is vital to prevent increasingly prevalent hackers from accessing private information without permission.