Kigen eSIM Chaos: Billions at Risk in Jaw-Dropping Security Blunder!
Experts have discovered that Kigen eSIM technology has more holes than Swiss cheese, affecting over 2 billion devices. Security Explorations found a way to hack Kigen’s eUICC card, revealing that neither eSIM profiles nor Java Card apps are safe. Time to rethink how secure your gadgets really are!

Hot Take:
Who knew that the digital SIM cards we casually stick into our phones and IoT devices could be the gateway to chaos? Turns out, the eSIM party is more like a security masquerade ball, and Kigen’s eUICC is the guest of dishonor, caught with its digital pants down. Remember folks, even in the tech world, there are no free rides—especially when your eSIM is hitching one without a seatbelt!
Key Points:
- Researchers hacked Kigen’s eUICC, exposing significant flaws in eSIM security.
- The hack impacts over 2 billion devices, including smartphones and IoT units.
- Security flaws allow for unauthorized access to eSIM profiles and sensitive data.
- An industry-wide vulnerability was found in the GSMA TS.48 test profile.
- Kigen issued a patch and rewarded researchers $30,000 for uncovering the flaw.
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