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The four-eyes principle: How to integrate this verification process into your digital services with TU Latch

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April 9, 2025
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Nowadays, managing digital accounts such as bank accounts, internal systems and databases entails a great deal of responsibility. The actions taken by the administrators of these systems not only affect the company’s security as such, they can also have economic and reputational repercussions. 
From modifying sensitive settings (such as changing the prices on a website) to authorising transactions involving large amounts of money, actions with less protection can open the door to unwanted access and fraud by cybercriminals. 
Within this context in which companies’ information and executions are digital, controlling authorisations coordinated by tools such as Latch and functions such as the four-eyes principle acquire greater prominence. An additional layer of protection is added through this two-factor authorisation service, ensuring that critical processes aren’t dependent on a single person. 

What is the four-eyes principle? 

The “four-eyes verification” or “four-eyes principle” concept refers to the process whereby any critical action within a system must be approved by at least two people. For example, if we want to transfer €10,000, at least two people must activate the transaction. 
The term stems from the idea that “four eyes see more than two”, in other words, involving more than one person in the verification process reduces errors, fraud and poor decisions, as both parties have to agree for the action to be authorised. 

Why is it important to use the four-eyes principle through TU Latch in digital systems? 

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The verification of the process by means of the four-eyes principle through the Latch tool provides more robust and transparent control, allowing the key actions to be approved by more than one person, thus significantly reducing the risks of human error and unauthorised access. It’s like when two people in a film turn their keys to open a safe at the same time. It isn’t a matter of a lack of trust, but rather one of security and control. 
This solution is particularly useful in environments in which sensitive data, transfers of large amounts of money and changes in access permissions are handled. If you manage digital accounts for your company, you’ve probably already come across situations in which a second validation would have prevented a problem. 

How to implement the TU Latch four-eyes principle in digital systems 

Latch is an authorisation control platform that enables administrators to exert control over who approves what and adds an extra layer of security to prevent unauthorised access. If an administrator wants to perform a key action, he/she needs the real-time approval of another administrator. Moreover, Latch records each request for approval, creating a clear history of who authorises what, improving traceability and allowing the auditing of each movement. 
Besides, implementing the four-eyes principle with Latch is easy. You don’t need any additional hardware or complex processes. Everything is managed via the same platform, allowing the administrators to authorise or reject the requests. You can also configure exceptions upon the basis of locations, schedules and roles to make the control more flexible. 
Now’s the time if you want to find out how Latch can help you to reinforce your company’s authorisation control. With the four-eyes principle and Latch you can protect what matters most without unnecessary friction. Would you like to implement it? 
Preventing unauthorised access, reducing human error and improving control over key decisions is easier than it sounds. 
Soy un periodista altamente versátil en el campo de la comunicación y el marketing, con un enfoque en la creación de contenido atractivo. Actualmente, formo parte del equipo de Marketing de Producto de Telefónica Innovación Digital (TID).

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