From AT&T’s website:
AT&T Mobile Security (App required)
- Device security to help protect your data from mobile threats.
- Informs you about corporate data breaches.
- Provides important security reminders.
AT&T Call Protect
- Detects and blocks calls from likely fraudsters before they reach you.
- Labels potential nuisance calls from telemarketers, etc.
- Use the app to automatically send unknown callers to voicemail and block Spam Risk calls.