Meghan Markle made too many bombshell claims during her interview with Oprah Winfrey to even count.
Therefore, Eugenie and Beatrice do not receive state-funded security on a daily basis.
It would be different if they were appearing at a royal engagement.

His not being a prince would not necessarily be tied to whether he received state-funded, full-time protection.
To be fair, we don’t know for sure why Archie was denied security.
Prescott also clarified, “Archie isn’t entitled to be called prince from when he was born.

He is too far removed from the line of succession.”