$500 via Verizon e-gift card (sent w/in 8 wks). Activation of 4G LTE/5G phone on 5G Get More plan req’d. Device must remain active for 45 days. $500 charge back if service cancelled w/in 12 mos or eligibility req’s are no longer met. See vzw.com/bring-your-own-device for details.
The encryption is over the air and through VZW's network. Once it hits the public internet, you are on your own. Though your IP address changes each time you dial up, which is better than a cable/DSL which may change once a month or once a year, you are still vulnerable. I have had good luck with Zone Alarm for either the basic firewall or firewall and anti virus. Consumer Reports recently had a article about anti virus software.