![]() Next, go to System Settings → Privacy & Security → Profiles. ![]() For example: smartcard_only.mobileconfig. Save the file with an appropriate name with the mobileconfig extension. PayloadDisplayName Smart card-only PayloadIdentifier .77 PayloadOrganization PayloadRemovalDisallowed PayloadType Configuration PayloadScope system PayloadUUID 7D34CC86-C707-44D2-9A9F-C5F6E347BD77 PayloadVersion 1 PayloadOrganization Apple PayloadType PayloadUUID 5A15247B-899C-474D-B1D7-DBD82BDE5678 PayloadVersion 1 UserPairing allowSmartCard checkCertificateTrust enforceSmartCard PayloadDescription Smartcard profile. Open your favourite text-editor, like Sublime and paste the following (this example comes from the Apple Support site): PayloadContent PayloadDescription Configures smart card-only PayloadDisplayName Smart card-only PayloadIdentifier .78. For this, we need to import a profile with the correct setting to our MacBook. If everything is working OK, we’re now going to enforce signing in with our Yubikey as a Smart Card. Which in this case is something you have: a Yubikey. So besides using your fingerprint or password to sign-in to MacOS, both being just one layer, we also want an additional layer of protection. For example, in addition to entering a password, a user may be required to provide a code that was sent to their phone or email account. MFA utilizes factors from multiple of these elements to prove users’ identities. ![]() things you are - such as physical traits like your fingerprints or voice ![]() things you have - such as an id badge with an embedded chip, or a digital code generator things you know - such as a password or other personally-known information such as the answers to security questions These additional layers lead to the term of ‘multi-factor authentication’ or MFA and can include three elements: It is necessary to add more layers of authentication beyond a password to ensure that accounts remain secured. Therefore, as the amazing people at NIST explain: ![]() First things first, why would you want Multi-Factor Authentication (MFA)? Well, everyone has sensitive data to protect and just using a password nowadays is considered pretty weak they can be guessed, cracked or leaked in a data breach for example. ![]()
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