What makes Android apps vulnerable to cyberattacks?

This report provides an overview of Android application security, describing APK structure, sandboxing, app-to-app communication mechanisms (intents, deeplinks, Binder, content providers), and common developer-introduced vulnerabilities—hardcoded credentials, weak cryptography, improper HTTPS validation, unsafe WebView usage, insecure external storage, and misconfigured components—illustrated by a cited AWS-credential-related data breach; it concludes with recommendations for secure coding, proper storage, and vulnerability scanning.