Simplify the following text for a Grade 11 native English-speaking person.
Original: An authenticatable channel is a way of transferring data that is resistant to spoofing but not necessarily resistant to interception or tampering .
Simplified: A confidential channel is a way of transferring data that is resistant to interception , but not necessarily resistant to tampering . An authentic channel is a way of transferring data that is resistant to tampering but not necessarily resistant to interception .