I find using Hash128() as a good alternative. You still have to do it in the load script, but if you don't have much to scramble, it's pretty easy. Once scrambled, there is no way for it be unscrambled.
Hash128(FieldName) as FieldName
There are other Hash functions but this one produces shorter strings than some of the others: Hash160(), Hash256().
Hope this helps.
Via the Dev Hub you can scramble your data. It worked for me rather then the Hash-method which can be reverted by a reload.
Please have a look at this link.