9.2. Two-factor authentication

2FA Implementation

Two-factor authentication (2FA) adds an extra security layer beyond traditional passwords by requiring a second verification method. Typical 2FA methods include SMS codes, authenticator apps, hardware tokens, and biometric verification like fingerprints or facial recognition. Implementing 2FA significantly reduces the risk of unauthorized account access, making it a critical security strategy for businesses and individuals. … Read more

Authentication Methods

Domain Name System (DNS) authentication protects websites from unauthorized access and potential security breaches. The Domain Name System Security Extensions (DNSSEC) provides cryptographic verification for DNS records, ensuring data integrity and preventing DNS spoofing. Digital signature techniques in DNSSEC use public key cryptography to validate domain ownership and prevent malicious domain hijacking attempts. Key Authentication … Read more