Telecommunications
Ericsson US discloses data breach after service provider hack
Ericsson Inc., the U.S. subsidiary of Swedish networking and telecommunications giant Ericsson, says attackers have stolen data belonging to an undisclosed number of employees and customers after hacking one of its service providers. Headquartered in Stockholm and founded in 1876, the parent company is a communications tech leader with nearly 90,000 employees worldwide. In data […]
Chinese state hackers target telcos with new malware toolkit
A China-linked advanced persistent threat actor tracked as UAT-9244 has been targeting telecommunication service providers in South America since 2024, compromising Windows, Linux, and network-edge devices. According to Cisco Talos researchers, the adversary is closely associated with the FamousSparrow and Tropic Trooper hacker groups, but is tracked as a separate activity cluster. This assessment has high confidence and is […]
Chinese cyberspies breached dozens of telecom firms, govt agencies
Google’s Threat Intelligence Group (GTIG), Mandiant, and partners disrupted a global espionage campaign attributed to a suspected Chinese threat actor that used SaaS API calls to hide malicious traffic in attacks targeting telecom and government networks. The campaign has been active since at least 2023 and has impacted 53 organizations in 42 countries, with suspected infections […]
Flaw in Grandstream VoIP phones allows stealthy eavesdropping
A critical vulnerability in Grandstream GXP1600 series VoIP phones allows a remote, unauthenticated attacker to gain root privileges and silently eavesdrop on communications. VoIP communication equipment from Grandstream Networks is being used by small and medium businesses. The maker’s GXP product line is part of the company’s high-end offering for businesses, schools, hotels, and Internet Telephony Service Providers (ITSP) around the […]
Odido data breach exposes personal info of 6.2 million customers
Dutch telecommunications provider Odido is warning that it suffered a cyberattack that reportedly exposed the personal data of 6.2 million customers. Odido is one of the largest mobile and telecommunications providers in the Netherlands, offering mobile, broadband, and television services to millions of customers nationwide. The company was formed in 2023 through the rebranding of T-Mobile […]
Chinese cyberspies breach Singapore’s four largest telcos
The Chinese threat actor tracked as UNC3886 breached Singapore’s four largest telecommunication service providers, Singtel, StarHub, M1, and Simba, at least once last year. The hackers also gained limited access to critical systems but did not pivot deep enough to disrupt services. In response to the intrusions, which were disclosed in July 2025, Singapore deployed […]
New China-linked hackers breach telcos using edge device exploits
A sophisticated threat actor that uses Linux-based malware to target telecommunications providers has recently broadened its operations to include organizations in Southeastern Europe. Tracked internally by Cisco Talos as UAT-7290, the actor shows strong China nexus indicators and typically focuses on telcos in South Asia in cyber-espionage operations. Active since at least 2022, the UAT-7290 group also serves […]
The biggest cyber security and cyberattack stories of 2025
2025 was a big year for cyber security, with major cyberattacks, data breaches, threat groups reaching new notoriety levels, and, of course, zero-day vulnerabilities exploited in incidents. Some stories, though, were more impactful or popular with our readers than others. Below are fifteen of what GeekFeed believes are the most impactful cyber security topics of […]
Freedom Mobile discloses data breach exposing customer data
Freedom Mobile, the fourth-largest wireless carrier in Canada, has disclosed a data breach after attackers hacked into its customer account management platform and stole the personal information of an undisclosed number of customers. Founded in 2008 as Wind Mobile by telecommunications provider Globalive, Freedom has over 2,2 million subscribers and now says it provides coverage to […]
FCC rolls back cybersecurity rules for telcos, despite state-hacking risks
The Federal Communications Commission (FCC) has rolled back a previous ruling that required U.S. telecom carriers to implement stricter cybersecurity measures following the massive hack from the Chinese threat group known as Salt Typhoon. The ruling came in January 2025 and took effect immediately under the Communications Assistance for Law Enforcement Act (CALEA), in response to Salt Typhoon’s breaching multiple […]