- SecureBool
- SecureByte
- SecureChar
- SecureDecimal
- SecureDouble
- SecureFloat
- SecureInt
- SecureLong
- SecureSByte
- SecureShort
- SecureString
- SecureUInt
- SecureULong
- SecureUShort
It is the same as existing primitive types.
This makes it difficult for hackers to change variables.