The country has no real alternative to Telcel

The sale of Movistar Mexico to the Melisa Acquisition consortium (450 million dollars for an operator with approximately 15% of the market) closes a chapter of more than two decades in which the Spanish operator has invested more than 3,600 million euros to end up competing, in permanent structural inferiority, against a monopoly that has never ceased to be a monopoly. Why is it important. Anyone might think that the departure of Telefónica changes the Mexican telecommunications market, but the reality is that it does not change it much. On the contrary: it confirms it. Mexico has one of the most concentrated mobile markets in the developed world, with Telcel, owned by Carlos Slim, controlling almost 60% of users. No competitor has managed to gain share in a sustained manner so far this century. The strange thing is that Telefónica has taken so long to leave the country, because it has only done so in the context of a total withdrawal in Latin America after years of losses. The backdrop. Telcel inherited the commercial muscle, infrastructure and customer base of Telmex, the former state monopoly privatized in 1990. Since then, Mexican regulators have not been able to balance the market, or have not been willing enough to do so. AT&T has been trying for years with its own network and remains below 16%. In fact is also looking for a way out. Telefónica, which In 2019 it had to return its spectrum and relying on AT&T’s infrastructure to survive, it already operated in practice as a kind of “premium MVNO”: with its own brand, but without its own network and without room to grow. Between the lines. The buyer says a lot. Melisa Acquisition is not a typical telecommunications operator: it is the sum of Oxio (technological platform for virtual operators with barely 350,000 clients) and an investment fund. They are not there to build network infrastructure or to dispute Telcel’s quota. They simply arrive to manage what is there: an inherited customer base, an asset-light model, and the hope that Oxio’s technology will allow some more margin to be squeezed out of an operation that Telefónica no longer wanted to maintain. In figures. The ARPU (average income per user) tells in numbers the trap in which Telefónica operated in Mexico: 64.7 pesos per month per customer, less than half that of AT&T (141.1) and less than a third that Telcel (176). It is no longer that Movistar had few clients, it is that each client was worth little in terms of billing and profitability. A model like this does not allow for investment in the network, in spectrum or in the future. The sale is not an elegant strategic retreat: it is the logical conclusion of years competing in the cheapest segment of an already cheap market. Yes, but. The sale will generate heavy accounting losses for Telefónica, something inevitable given the historical outlay, but it fits perfectly into its strategy. In less than a year and a half, the telecom chaired by Marc Murtra has undone practically all of its positions in Latin America: Argentina, Chile, Peru, Uruguay, Ecuador, Colombia… and now Mexico. Only Brazil remains, the only market in the region where Telefónica has enough scale to truly compete and which has become one of its growth enginesif not the main one. Main loser? The Mexican user. With Telefónica jibarized, the Mexican market is even more unprotected in the face of Telcel. Effective competition in price, coverage and quality of service now depends almost exclusively on AT&T, which has also not demonstrated the ability to challenge Slim’s dominance and, as we have already said, look for a way out for a long time. Mexico doesn’t just lose one operator: it loses one of the few that at least had incentives to try. In Xataka | Mexico has an ambitious plan to be the tenth economy in the world and that involves technology: semiconductors Featured image | david carballar

Mexico wanted to know who is behind each phone number. And Telcel has spread panic along the way

Since January 9, 2026, the Mexican Telecommunications Regulatory Commission requires that all mobile lines in the country are associated with a verified identity. Until now, SIM cards could be contracted completely anonymously, something that changes with the mandatory registration. A logical measure to avoid the telephone SCAM that, in recent hours, has sparked controversy. The alleged gap. Less than 24 hours after the entry into force of the mandatory registration of mobile lines in Mexico, Telcel, one of the largest operators in the country, suffered an alleged security breach which would have exposed personal information of millions of customers. “The official portal of @Telcel presents a critical security vulnerability that exposes the identity, CURP, RFC and email of millions of users. This occurs only 24 hours after the regulations that require all mobile lines in the country to be registered came into force. When entering any Telcel telephone number in the form, the internal system returns – without the need for passwords or verification codes – a complete information package of the line owner. This is extremely dangerous. Any cybercriminal could use one of Telcel’s number bases and automate the massive extraction of information.” Ignacio Gómez Villaseñor, journalist. The reports They pointed to a massive leak of each and every one of their clients, the sources ensuring that for a few hours it was possible to access the data through the official Telcel portal. Telcel’s response. The spread of the alleged breach was such that Telcel did not take long to call for calm. Of course, he did it with a somewhat ambiguous statement in which it neither affirms nor denies that the security failure occurred. “Your data is secure. Each user receives a unique code by SMS to only access their own information and link their line. We have implemented additional security measures to the registration process. The process is secure and your data is protected.” Telcel. Although Telcel assured that, at the time of its publication, the data was safe, the company acknowledges having implemented additional security measures during the registration process. hours later. Renato Flores, deputy director of communications at Telcel, acknowledged hours later on one of the national radio stations that there was a technical vulnerability. “Telcel acted quickly, responsibly and transparently. We detected a vulnerability, we corrected it immediately, we reinforced security and at all times we protected our customers’ data.” Despite admitting the gap, the company’s position remained firm: it ensured that only one’s own information could be accessed as a user, not that of the rest of the company’s clients. It is something that Gómez Villaseñor was quick to deny. through a video published on Xin which he showed how he was able to access user data. The risks. According to the source, the following data was exposed for hours: Owner identity CURP (Unique Population Registry Key) RFC (Federal Taxpayer Registry) Email A relatively similar case to the recent hack of Endesa suffered in Spain, through which the alleged attackers claim to have obtained more than 1TB of information related to account numbers, identities, addresses, telephone numbers and emails. A bumpy process. In the middle of the debate, the Telecommunications Regulatory Commission (CRT) clarified that, during the first phase of this national registry, there were certain “intermittencies on various platforms” due to the high volume of users, without giving too many details in this regard. The Commission avoided referring to the specific case, and limited itself to pointing out that it remains in contact with the operators to normalize the service. And now what. At the moment, there is no news about possible exploitation of the supposed vulnerability. If this had occurred, the attackers would have access to customers’ personal information, as happens in any other case of mass hacking. In the face of these leaks, the user’s only response may be to be alert: not to respond to or provide sensitive data through SMS, calls, WhatsApp messages or email communications (or any of our means of contact that may have been leaked) without being very clear about who we are referring to. Image | Xataka In Xataka | A single person in Barcelona and 2.5 million SMS per day: the “mobile farms” that operate in Spain to scam you

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