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The author summarizes four methods for ordinary users to obtain overseas phone cards at low cost, including Xesim physical eSIM card, Giffgaff UK physical SIM card, advanced Giffgaff eSIM tricks, and Germany's O2 eSIM, primarily used for registering overseas services and two-factor authentication for accounts.
Dashlane published an opaque advisory warning that attackers obtained 20 encrypted user vaults via a brute-force attack on two-factor authentication, with users reporting lack of direct notification and confusing details.
npm introduces staged publishing, allowing package updates to be reviewed and approved with 2FA before going live on the registry, enhancing security for package maintainers.