Eurofiber admits crooks swiped data from French unit The Register

pFrench telco Eurofiber says cybercriminals swiped company data during an attack last week that also affected some internal systemsppThe B2B wholesale telco confirmed that only its French business was affected by the November 13 attack including its cloud division and regional brands Eurafibre FullSave Netiwan and AveliappIn a disclosure published on Sunday Eurofiber said attackers exploited a vulnerability in its ticket management platform and stole the data it stored This did not include banking details or other critical data it confirmed and the vulnerability is now patchedppThe telco did not specify the scale of the attack or how many individuals were affected in France but those located in Belgium Germany and the Netherlands are safeppThe overall impact on Eurofibers business was limited it said although some systems used by indirect sales and wholesale partners were affected operationally Customerfacing services were fully operational throughout the incident it addedppIn the first few hours following detection the ticketing platform and the ATE portal were placed under enhanced security and the vulnerability was patched the telco saidppAdditional measures have been implemented to prevent further data breaches and strengthen system security Our teams in collaboration with cybersecurity experts are now focused on supporting clients in managing the impact of this incidentppEurofiber said it notified all affected customers and reported an extortionrelated attack to French cybersecurity agencies CNIL and ANSSI suggesting the attackers were holding the stolen data to ransom It did not explicitly say whether this was the case or if it paidppWe reaffirm our commitment to data protection cybersecurity and transparency the disclosure added Our teams remain fully mobilized until the incident is completely resolvedppDespite having a presence across multiple European countries Eurofiber is not among the major players in the French telco spaceppIt specializes in B2B digital infrastructure sales rather than consumer offerings like those from Orange and BouyguesppIn its most recent annual results it recorded 308 million 3573 million in revenue whereas Orange posted 99 billion 114 billion in Q3 2025 aloneppThe attack on Eurofiber follows a string of others affecting B2B telcos in recent weeks including Colt and ICUK both of which suffered cyberattacks that affected service deliveryppICUK was hit by two days worth of DDoS attacks in early October temporarily knocking services offline while Colts attack took much longer to remediateppWhile the Warlock ransomware group claimed the attack Colt has never stated that ransomware was involved in the August intrusion but recovery work remains ongoing although much of its service is now restored ppSend us newsppThe Register Biting the hand that feeds ITpp
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