nTrust is a fraud prevention software developed and operated by the National Cybersecurity Association. This free program aids in detecting signs of fraud through phone number checks, website address verification, account number validation, malware scanning, and QR code inspection. It includes a feature to block fraudulent calls by identifying and blocking calls from known scam numbers and warning about calls from advertising or nuisance numbers. Users can activate the call blocking feature by accessing Settings > Phone > Call Blocking & Identification and enabling the "nTrust" option.

nTrust offers functionalities to check phone numbers for fraudulent or nuisance numbers, examine website addresses for scam sites or malicious content, and verify account numbers to prevent financial losses. Additionally, it helps users identify QR codes linked to fraudulent accounts or websites to enhance security measures.