With the amount of sensitive details McAfee asks for—social security number, addresses, birthdate, etc—you might wonder how safe it is to hand over the whole set to one entity. McAfee outlines how it handles your info in its privacy and legal terms, but I also asked the company who specifically sees the data and the protocols used to safeguard it. McAfee says that it partners with Transunion (one of the three major US credit bureaus) for matters related to identity theft and power of attorney, and Yodlee for transaction monitoring. As for the data itself, McAfee says AES-256 encryption is used
McAfee+ Ultimate review: Comprehensive security that needs more polish… As for the data itself, McAfee says AES-256 encryption is used, and the engine that monitors for threats keeps only a hash of the values. That is, it stores the result of encrypting your social security number or full name, etc, rather than the details themselves. …
… Letting the McAfee Security & Wi-Fi Privacy app iOS or the McAfee Security: VPN Antivirus app Android run in the background will allow McAfee to check all your text messages for any risky links. …