A free app for Android, by ATT Services Inc..

ATT Mobile Security & Advanced is a powerful security solution that protects your data and helps you manage unwanted calls with a simple tap.

It’s a complete device protection solution that includes the latest anti-virus, anti-malware, and phone call blocker technologies. It can also help you secure your data and online privacy, and protect your device from malicious attacks.

ATT Mobile Security & Advanced protects you from unwanted and malicious calls, messages, and file downloads, helping to keep your device secure. You can easily manage unwanted calls and messages, block pop-ups and in-app ads, and protect your device from malicious threats.