How DNS Works: From Domain Name to IP Address
The Domain Name System, or DNS, is a distributed naming system that helps a device find information associated with a domain name, including an IP address.
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Internet Basics
What HTTPS Means and What It Does Not Prove
HTTPS protects web communication using Transport Layer Security, but does not prove that a site, seller, or request is legitimate.
Security Hygiene
What Is Multifactor Authentication? MFA Explained
Multifactor authentication, or MFA, requires more than one distinct type of authentication factor.
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Internet Basics
Internet Basics
Clear guides to names, addresses, protocols, and the paths ordinary internet requests take.
Security Hygiene
Security Hygiene
Defensive explanations of account protection, authentication, recovery, and everyday security decisions.