LaF0rge<p>Very interesting applied security research into the <a href="https://chaos.social/tags/GSMA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GSMA</span></a> <a href="https://chaos.social/tags/eSIM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>eSIM</span></a> universe, specfically the use of the JavaCard VM with its questionable security architecture depending on an off-card bytecode verifier in the context of the eUICC which inherently contains eSIM profiles of different [competing] mobile operators, each of which can install arbitrary Java applets into the same eUICC. <a href="https://chaos.social/tags/GSM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GSM</span></a> <a href="https://chaos.social/tags/3GPP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>3GPP</span></a> <a href="https://chaos.social/tags/cellular" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cellular</span></a> <a href="https://chaos.social/tags/simcards" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>simcards</span></a> <br><a href="https://security-explorations.com/esim-security.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">security-explorations.com/esim</span><span class="invisible">-security.html</span></a></p>
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#SIMCards
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Jan Penfrat<p>The 🇵🇱 Polish government has suggested new EU rules to ban the <a href="https://eupolicy.social/tags/anonymous" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>anonymous</span></a> purchase of <a href="https://eupolicy.social/tags/prepaid" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>prepaid</span></a> <a href="https://eupolicy.social/tags/SIMcards" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SIMcards</span></a>.</p><p>“The main threat associated with prepaid SIM cards is <a href="https://eupolicy.social/tags/anonymity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>anonymity</span></a>,” says a document obtained by <span class="h-card" translate="no"><a href="https://mastodon.world/@statewatch" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>statewatch</span></a></span> and one cannot make one's disdain for <a href="https://eupolicy.social/tags/humanrights" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>humanrights</span></a> any clearer.</p><p>Extensive research has found no evidence that bans on anonymous purchases of SIM cards contribute to reducing <a href="https://eupolicy.social/tags/crime" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>crime</span></a>.</p><p><a href="https://www.statewatch.org/news/2025/march/eu-officials-discuss-banning-anonymous-use-of-mobile-phones/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">statewatch.org/news/2025/march</span><span class="invisible">/eu-officials-discuss-banning-anonymous-use-of-mobile-phones/</span></a></p><p><a href="https://eupolicy.social/tags/digitalrights" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>digitalrights</span></a></p>
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