US EditionSpain's Telefonica Probes Suspected Data Breach
- Telefónica opened an investigation in June 2025 after hacker Dedale claimed responsibility for a data breach affecting its Movistar subsidiary in Peru.
- The breach followed Telefónica's April 2025 sale of its Peruvian unit to Integra Tec International and occurred amid broader telecom sector cyberattacks.
- The leaked information is said to encompass personal details such as customers’ complete names, identification numbers, cell phone contacts, subscription details, and account statuses for an estimated 22 million users.
- Dedale released a database sample of one million records as proof and demanded a ransom of $1,500 to halt further data exposure.
- Telefónica is verifying the leak's authenticity and strengthening cybersecurity, highlighting ongoing risks in telecom amid increasingly sophisticated attacks worldwide.
26 Articles
26 Articles
Eldiario.es
El IndependienteThe database with the million records that have been leaked so far contains user data in Peru, although it is not ruled out that in the rest of the information that has been illegally accessed by cybercriminals there are records of customers from other countries
Telefónica is investigating a hack in Movistar through which a cybercriminal named Dedale would have had illicit access to 22 million customer records and has already leaked, as a test, a database with 1 million records.
El Mundo
A cybercriminal named 'Dedale' would have had illicit access to 22 million records of Movistar's clients. Telefónica is investigating this...
The recent massive cut-off of the Internet in Seville, caused by a breakdown in Telefónica's network, has once again brought to the table the vulnerability of telecommunications and its impact on daily life.The incident, which affected essential services such as health centers and emergencies 112 in several autonomous communities, is only a local example of what could happen on a global scale if the pillars that sustain the network failed.In La …
Telefónica Investigates Major Data Breach Affecting 22 Million Movistar Customers
Telecommunications giant Telefónica is investigating a reported data breach affecting approximately 22 million Movistar customer records. The incident came to light in June 2025 when a hacker known as “Dedale” claimed responsibility through cybersecurity firm HackManac on social network X. The breach occurs at a particularly sensitive time for Telefónica, which has recently expanded its authentication capabilities through partnerships with Googl…
Telefónica, the company chaired by Marc Murtra since January, has announced through an official statement an alleged security breach that has been able to affect the data of its customers. It is not the first that companies in the telecommunications sector suffer this type of cyber attacks that endanger their operation. Read more: Marc Murtra revalues Telefónica by 4.5 billion and paves the way for mergers A security gap occurs when sensitive da…
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