Ngeprotocol ye-encryption eyomeleleyo (E2EE), ukunxibelelana noBerty kungaziwa ngokusemandleni (akukho imeyile okanye inombolo yefowuni efunekayo, kunye nobuncinci bemetadata). Isicelo senzelwe ukusebenza nangaphandle kwe-intanethi kwaye ngaphandle kweSIM khadi, ngenethiwekhi esasazwayo. UBerty sisixhobo sonxibelelwano esichasene nokucupha kwaye kunzima kakhulu ukusihlola.