It looks like you’re asking for a guide on how to inspect or understand the HTTPS connection to https://sigin.samsung.com — but note that the domain appears to be a possible typo. The correct Samsung account login domain is usually https://account.samsung.com or https://signin.samsung.com .
curl -vI https://signin.samsung.com 2>&1 | grep -i "public-key-pins" (HPKP is deprecated, but you can check logs at crt.sh ) ⚠️ Security note If you saw https://sigin.samsung.com somewhere suspicious (email, SMS, popup), do not enter credentials . That is very likely a typosquatting domain . Always verify the domain carefully before looking into its HTTPS key or logging in. https sigin samsung com key
If you need a (screenshots) or help with a specific tool (Wireshark, mitmproxy, OpenSSL), let me know and I’ll provide detailed instructions. It looks like you’re asking for a guide
chrome://certificate-viewer/?url=https://signin.samsung.com (Not all Chrome versions support this directly; use the padlock method) Use: That is very likely a typosquatting domain
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