telecom security

IT Services Circle

Dec 25, 2023 · Information Security

eSIM Dual‑Device Service for Smartwatches: Availability, Pricing, Security Risks, and Future Outlook

The article explains the current status of eSIM dual‑device services for Android and Apple smartwatches in China, outlines pricing and usage details, describes the underlying technology and recent security vulnerabilities, and discusses the broader future prospects of eSIM in IoT and telecom.

IoTSmartwatchdual-device

0 likes · 7 min read

eSIM Dual‑Device Service for Smartwatches: Availability, Pricing, Security Risks, and Future Outlook

IT Services Circle

Jul 21, 2022 · Mobile Development

Why Apple Is Pushing eSIM and Dropping Physical SIM Slots in the iPhone 14 Series

Apple plans to remove the physical SIM slot from certain iPhone 14 models in favor of eSIM, citing space savings, design simplification, and future-proofing, while highlighting security concerns, the impact on Chinese consumers, and the broader implications for the smartphone industry.

AppleChina marketSIM slot

0 likes · 8 min read

Why Apple Is Pushing eSIM and Dropping Physical SIM Slots in the iPhone 14 Series

AntTech

Apr 8, 2021 · Information Security

Mobile Communication Security: From 2G/4G to 5G – Technical Risks, Attacks, and Countermeasures

The article reviews a two‑part lecture series on mobile communication security, covering the evolution from 2G/4G to 5G, detailing technical vulnerabilities such as 5G messaging, NULL SCHEME, key‑reuse attacks, IMP4GT and SLIC, and describing industry‑academic collaborations and mitigation efforts.

5G securitymobile communicationnetwork attacks

0 likes · 10 min read

Mobile Communication Security: From 2G/4G to 5G – Technical Risks, Attacks, and Countermeasures