Eurofiber, the digital infrastructure service provider from Europe, experienced the first of its kind recording of a data breach in its French subsidiary when the company was attacked in a cyber breach, exposing data, on November 13, 2025. However, the company stated that sensitive digital data regarding financial details was not breached. Eurofiber stated that cybercriminals have, in the past, gained access to the company’s ticketing management system data and accessed more than one of the company’s databases.
Eurofiber states that the breaches only affected its French office
The breached company, Eurofiber, Francophone host and cloud provider, Espresso, Netiwan, and Avelia, have been fully repaired and have suffered breaches, while Eurofiber stated that these breaches only affected its French office.
The company stated that the customers have not been affected even once during the service disruptions and cyber breach, which were completely new to the company, and new internal systems, which were supposed to facilitate onboarding of indirect detached sales and wholesale trading, have been placed in the system and added to facilitate online sales.
The incident clarifies the growing cybersecurity exposure telecom and cloud service companies face. There’s a visible and growing reliance on digital infrastructure, and attackers are, these days, reverse engineering digital infrastructures and targeting the operational data of cloud service companies, coupled with the sensitive data of their customers. Eurofiber’s breach clarifies and brings to the fore the importance of vulnerability management, incident response, and compliance with regulations to ensure the negative impacts of a breach are as minimal as possible.
Eurofiber was able to reassure its internal system users in Belgium, Germany, and Cyprus that they were not breached during the cyber breach. Nature of the Data Stolen.
Eurofiber has confirmed that sensitive financial information was not part of the incident
It has been noted that the breached details seem to relate to internal ticketing and support systems that involve customer information and details about the customer services. Eurofiber has notified all the customers who are believed to be affected and is still collaborating with IT specialists in cybersecurity to determine the extent of the case.
Eurofiber acknowledges that the incident includes an attack that aims at extortion and clarifies that the data that has been stolen may have been held for ransom.
Eurofiber has reported the case to the French authorities with respect to cybersecurity, known as CNIL and ANSSI. They have not confirmed whether it has been extorted and paid a ransom and remain vigilant in public comments.
Within hours, the affected ticketing and ticketing portal were secured, and the breach was contained
Regardless of the breach, Eurofiber believed the overall effect on business was “limited.” Eurofiber, as a company, focuses on B2B digital infrastructure in multiple European countries, and not primarily in the French telecom market. Eurofiber’s latest revenues reached €308 million, which is a fraction of the revenue from bigger competitors such as Orange and Bouygues.
Eurofiber is committed to keeping stakeholders updated during the investigation. It promises to inform people about protecting their data and to inform people about their data protection policies after the investigation. Eurofiber’s data protection practices, dedication to data protection, and transparency.
Eurofiber’s dedication will also help, along with the new EU cyber regulations, the NIS2 Directive, to enforce new regulations on all European-based companies to secure their networks.
This attack on systems was severe, and the perpetrators will be dealt with. Eurofiber is now expected to create a strong collaboration with its clients based on this attack. Eurofiber will now be able to build on the trust of its clients in the ability to protect its data and build strong collaboration with its clients based on this attack.
