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The DNI is a document as important as dangerous is to share it with third parties without taking concerns. Surely we have all ever faced someone, whether a person or establishment, who asks us for a copy of the ID to, for example, complete a reservation or a purchase. It is an extended practicebut not sure. The consequences can be disastrous, so it is recommended edit the document Before sending it.
There are several optionsbut This tool It promises more security and put it more difficult for the IAS for the modest price of zero euros. The most interesting thing is that, although it works through the browser, there is no cloud in between. Everything works at home. His name: Saferlayer.
“Hey, the copy of the ID …”. A scammer can use our ID to commit crimes (such as impersonation of identity), access to an betting house or ask for a loan in our name. Nothing good, of course. Therefore, it is important that if we are forced to share a photocopy of the DNI we do it prior edition.
This type of DNI -related scams They are relatively known on the purchase and rental platforms. The lack of supply, the enormous demand and despair to find a floor can make, with the rush, let’s forget to take the necessary precautions and we will find two negative things: that the announced floor did not exist and that a total unknown has Our ID.
The general recommendation is never to send a copy of the DNI or passport without editing
What is the problem? Not everyone knows, wants or can use dedicated tools like Photoshop. Pixelar an image or a piece of an image It is very simple (and not as sure as it seems). Also add text or a watermark, but you have to know. Not only that, but these water marks can be edited and removed afterwards and leave the image as if nothing had happened.
The solution: a dedicated tool. Carlos Sánchez, Head of Product in Real Madrid, and his “Compi de Side Projects“Guido Fioravantti, got to work after Carlos had to send a copy of his email documentation. In telephone conversation with Xataka, Carlos Sánchez explains that” you take any traditional water brand and pass it through some tools for some tools Specialized artificial intelligence, you’ll see that they take it off in seconds. What we wanted was to avoid that. “
After several tests and iterations, they found a “water mark that covers the entire document, which deceives the AI; makes it difficult to differentiate the water mark from the background image, so when you try to remove it, load it is loaded part of the document and is proof that it has been manipulated in some way. “
Copy of the original ID (above) and edited with Saferlayer (below) | Image: Saferlayer
The water brand. It consists of a wave pattern with a degraded one that goes from fuchsia to green. “This has been a very proof and error process,” explains Carlos. “In that process we detected that this undemed undulating pattern, that flag effect waving, made it difficult for the AI. These color changes throughout the pattern also complicate it. In the end, we had to find the balance between whatever Very difficult to remove for AI, but also that it was readable, “he says.
For Carlos, it was important that it was “evident to the person generated by the document and for whom he receives that there is a watermark that can be read, especially so that the person who receives it does not have incentives to use it for purposes Fraudulent “.
This is the document edited with Saferlayer when we pass it through one of the many existing tools to eliminate the water mark | Image: Saferlayer, Xataka
Everything at home. One of Saferlayer’s keys is that It works at homenothing leaves the browser. The image we are going to edit does not climb any server. This can be easily verified with the inspector of the browser itself or, simply, adding the Webapp to the home screen and putting the mobile in plane mode. We will verify that it continues to work without problem.
When you upload an image, we simply have to specify the use that the copy has, for example, “Valid copy only to confirm the ABCDE hotel reservation.” Once this is done, the tool is responsible for adding the watermark. It is practically instantaneous. The tool works with all types of documents in image format (JPEG and PNG), but not with PDFs.
Water brand detail | Image: Xataka
A success. The tool was launched on Sunday afternoon and spread mainly Through x. It soon went viral and that can be seen in the figures. As Sánchez confirms us, “right now we are doing a water mark every nine seconds.”
To the elderly, the idea of the creators, their vision, is to develop a tool that allows the “total traceability of the document. That allows the individual to protect their document add a water mark, but we also have the idea of covering the other part , to the company that receives the document and wants to make sure whether it is legitimate or not. ” In Carlos’s words, “we would like to evolve this to verify that the documents that have Saferlayer water mark have been manipulated in some way, or if it is the water mark as it has been generated by the tool.”
“Right now we are doing a water mark every nine seconds”
In that sense, Carlos tells us that a hotel in the center of Madrid has contacted them because he was “very interested in exploring tools that facilitate these processes (in reference to the new lodging record) since it generates a brutal administrative burden and makes Check-in the process more uncomfortable for customers. “According to Carlos, the hotel wanted to talk to them to see if Saferlayer could” potentially help them. “
In any case, Sanchez has reiterated the category of Side Project That Saferlayer has, although he affirms that “we are interested in knowing the problem in some sectors with the sharing of identity documents because that will mark us where the tool makes sense.”
Cover image | Xataka
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