Final answer:
A browser interacts with a secure site by establishing an HTTPS connection with a valid security certificate and data encryption. Measures like two-factor authentication and strong passwords further enhance this secure interaction. Historical developments in browser technology, such as Netscape Navigator, have paved the way for modern secure browsing.
Step-by-step explanation:
A browser can interact with a secure site when it establishes an encrypted connection typically via HTTPS (Hyper Text Transfer Protocol Secure). This secure protocol ensures that any data transferred between the user and the site is encrypted and thus protected from eavesdropping. In the past, secure browsing was often facilitated by browsers like Netscape Navigator, a pioneer in web navigation.
For a browser to interact with a secure site, the site must possess a valid security certificate issued by a trusted Certificate Authority (CA). When this certificate is verified, the browser and the server exchange keys to establish a secure connection. Furthermore, security measures, such as two-factor authentication, usage of stronger passwords, and security education, enhance this interaction by adding additional layers of protection against unauthorized access or scams.
A part of Internet history includes significant events like Netscape's battle with Internet Explorer, which had implications for market competition and legal antitrust action. Moreover, ongoing developments in browser security continue to shape how securely we can browse the web today.