An increase in fraud activities forces banks and other financial institutions to enhance their prevention systems. Proof of address documents such as bank statements is some of those most affected. Thankfully, banks can rely on detectors to spot a customer’s fake proof of address from a genuine document. The scanners can tell the changes made on the documents such as changing dates of birth, an address, a false watermark, removing important information, including new information, or adding real pages from a different but original proof of address documents. The scanners can detect inconsistencies in the texture and density of ink in the proof of address.