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T-Mobile is one of the victims of the massive Chinese breach of telecom firms

Security Affairs

T-Mobile confirmed being a victim of recent hacking campaigns linked to China-based threat actors targeting telecom companies. T-Mobile confirms it was hacked as part of a long-running cyber espionage campaign targeting Telco companies. The bad news is that this isn’t the first incident suffered by T-Mobile.

Mobile 113
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Flaws in mobile Internet protocol GTP allow hackers to target 5G users

Security Affairs

Security vulnerabilities in modern communication protocol GTP used by mobile network operators can be exploited by attackers to target 4G/5G users. “The GTP protocol contains a number of vulnerabilities threatening both mobile operators and their clients. ” reads the report published by the experts.

Mobile 142
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France’s second-largest telecoms provider Free suffered a cyber attack

Security Affairs

French internet service provider (ISP) Free disclosed a cyber attack, threat actors allegedly had access to customer personal information. that provides voice, video, data, and Internet telecommunications to consumers in France. million mobile and fixed subscribers. million mobile and fixed subscribers. Free S.A.S.

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SK Telecom revealed that malware breach began in 2022

Security Affairs

South Korean mobile network operator SK Telecom revealed that the security breach disclosed in April began in 2022. SK Telecom is South Koreas largest wireless telecom company, a major player in the countrys mobile and tech landscape. ” states the Personal Information Protection Committee.

Malware 106
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U.S. agency cautions employees to limit phone use due to Salt Typhoon hack of telco providers

Security Affairs

US CFPB warns employees to avoid work-related mobile calls and texts following China-linked Salt Typhoon hack over security concerns. internet service providers in recent months as part of a cyber espionage campaign code-named Salt Typhoon. The Consumer Financial Protection Bureau (CFPB) is a U.S. Wall Street Journal reported.

Hacking 130
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Internet disruption in Russia coincided with the introduction of restrictions

Security Affairs

Experts at the NetBlocks Internet Observatory observed this week a temporary disruption of internet service in Russia due to new restrictions. On Wednesday 10 March 2021, researchers from Network data from the NetBlocks Internet Observatory observed the disruption of internet service provided by the Russian operator Rostelecom.

Internet 131
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China-linked APT UNC5221 started exploiting Ivanti EPMM flaws shortly after their disclosure

Security Affairs

CVE-2025-4428 (CVSS score: 7.2) A remote code execution vulnerabilityin Endpoint Manager Mobile allowing attackers to execute arbitrary code on the target system. Ivantii has released updates for Endpoint Manager Mobile (EPMM) which addresses one medium and one high severity vulnerability.

Mobile 90