Abstract: Aspects of the present disclosure provide techniques for rule-based document security. Embodiments include receiving, from a computing device: an amended document; an encrypted sensitive component; and information relating to reconstructing a document based on the amended document and the encrypted sensitive component. Embodiments include decrypting the encrypted sensitive component to produce a decrypted sensitive component. Embodiments include determining, based on the information relating to reconstructing the document, a document location that corresponds to the decrypted sensitive component. Embodiments include reconstructing the document by inserting the decrypted sensitive component into the amended document at the document location.