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South Koreans have been familiar with offline real-name systems since the mid-1990s, when legislation was introduced that required a real name to be used for property and financial transactions. In August 2011 hackers accessed the databases for the real-name system, obtaining the registration numbers of 35 million people.
Mutual authentication is performed using a challenge-response handshake in both directions; the server ensures that the client knows the secret, and the client also ensures that the server knows the secret, which protects against a rogue server impersonating the real server. Challenge-response authentication can help solve the problem of ...
The ID chosen for the random challenge is also used in the corresponding response, success, and failure packets. A new challenge with a new ID must be different from the last challenge with another ID. If the success or failure is lost, the same response can be sent again, and it triggers the same success or failure indication.
Before you attempt another image challenge, clear the cache on your web browser. If you're still prompted to retake the image challenge multiple times a day, you might have a more serious issue. Check out the Security Center for info about recommended antivirus software and reset your password to make sure it's secure.
RFC 5802, Salted Challenge Response Authentication Mechanism (SCRAM) SASL and GSS-API Mechanisms; RFC 5803, Lightweight Directory Access Protocol (LDAP) Schema for Storing Salted Challenge Response Authentication Mechanism (SCRAM) Secrets; RFC 6120, Extensible Messaging and Presence Protocol (XMPP): Core; RFC 6331, Moving DIGEST-MD5 to Historic
Depending on how you access your account, there can be up to 3 sections. If you see something you don't recognize, click Sign out or Remove next to it, then immediately change your password. • Recent activity - Devices or browsers that recently signed in. • Apps connected to your account - Apps you've given permission to access your info.
A challenge that includes a web URL, which can be loaded in an appropriate web browsing tool to respond to the challenge, so simply clicking on the link is sufficient to respond to the challenge. A challenge requiring reading natural language instructions on how to reply, with the inclusion of a special string or pass-code in the reply.
Facebook's notification to "update your name". The Facebook real-name policy controversy is a controversy over social networking site Facebook's real-name system, which requires that a person use their legal name when they register an account and configure their user profile. [1]