The Truth About eSIM Security in 2025 — Hidden Threats, Real Attacks, and How to Defend Yourself

The global shift to eSIM technology isn’t just an upgrade — it’s a complete rewrite of mobile security. In this in-depth breakdown, we analyze the new eSIM architecture, real attack surfaces, ENISA-identified threat vectors, and the defense strategies every cybersecurity professional MUST understand going into 2025.

We’re moving from physical SIM cards to remotely provisioned digital identities — and cybercriminals are already adapting.

In this video, you’ll learn:
🔹 How the eUICC, SMDP+, LPA, and SMSR actually work
🔹 The difference between Consumer (LPA-driven) and M2M (server-driven) architectures
🔹 New attack surfaces created by remote provisioning
🔹 7 major eSIM threat vectors analyzed by ENISA
• eSIM swapping & identity fraud
• EUICC memory exhaustion attacks
• EIS manipulation
• Malicious oversized profiles
• “Cannot-be-disabled” profile locking
• Protocol-level OS attacks
• Supply chain compromise
🔹 How attackers exploit weak PKI validation, provisioning flows, and identity verification
🔹 A complete mitigation framework:
• Cryptographic integrity protection
• Secure provisioning workflows
• EUICC state management
• Carrier-level policy enforcement
• Supply chain trust controls
• User-side security practices
🔹 The future: eSIM as the Root of Trust for IoT and the transition to iSIM

As billions of mobile and IoT devices adopt eSIM, the stakes have never been higher. If you work in cybersecurity, telecom, embedded systems, or digital identity — you need to understand these risks now.

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Stay secure. Stay informed. Stay ahead.

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