Final answer:
Banks and hospitals handle sensitive data on their intranets, such as customer account details and patient medical records, which require significant privacy and security. These institutions can use extranets to securely extend access to necessary data to authorized external parties like specialized clinics or for enabling online customer account access, illustrating proactive measures of maintaining data privacy and business continuity.
Step-by-step explanation:
Within the context of bank and hospital settings, it's vital to handle personal, financial, and medical information with a high degree of privacy and security due to the sensitivity of such data. In the case of a bank, two types of data accessible on its intranet could include customer account details and transaction history, while a hospital might have access to patient medical records and inventory data on their respective intranets.
For an extranet, which extends certain information services to users outside the organization while still maintaining security, a bank might use it to facilitate customer online access to their account information or share transaction data with other banks. A hospital could utilize an extranet to share patient records with specialized clinics or to coordinate with suppliers to manage inventory levels. The use of extranets helps maintain operational efficiency and supports remote access needs, safeguarding against risks like identity theft which becomes prevalent through issues exemplified by data breaches at major companies and institutions.