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To deliver secure east-west flows and secure Kubernetes workloads in a public cloud environment, you have two deployment options available: VM-Series and CN-Series.

• VM-Series is a virtualized form factor of the Palo Alto Networks next-generation firewall that can be deployed in public cloud platforms such as AWS, Azure, Google Cloud, and Oracle Cloud. VM-Series provides comprehensive network security and threat prevention capabilities for protecting your cloud workloads and applications from cyberattacks. VM-Series can also integrate with native cloud services and third-party tools to enable automation, orchestration, and visibility across your cloud environment. VM-Series supports various deployment scenarios, such as securing internet-facing applications, protecting hybrid connectivity, segmenting internal networks, and enabling secure DevOps12.
• CN-Series is a containerized form factor of the Palo Alto Networks next-generation firewall that can be deployed in Kubernetes environments. CN-Series provides granular network security and threat prevention capabilities for protecting your Kubernetes pods and namespaces from cyberattacks. CN-Series can also integrate with Kubernetes network plugins and services to enable dynamic policy enforcement, service discovery, and visibility across your Kubernetes clusters. CN-Series supports various deployment scenarios, such as securing ingress and egress traffic, enforcing microsegmentation, and enabling secure DevSecOps34.

References:

• VM-Series in Public Cloud
• VM-Series Deployment Guide
• CN-Series in Kubernetes
• CN-Series Deployment Guide

A credit card number is an example of PII that you need to prevent from leaving your enterprise network. PII, or personally identifiable information, is any information that can be used to identify an individual, either alone or in combination with other data. PII can be sensitive or non-sensitive, depending on the level of protection required and the potential harm if exposed. Sensitive PII includes data that can directly identify an individual and cause significant harm if leaked or stolen, such as financial information, medical records, or government-issued ID numbers. Non-sensitive PII includes data that is easily accessible from public sources and does not pose a high risk of identity theft, such as zip code, race, or gender. A credit card number is a sensitive PII because it can be used to access the cardholder’s account, make fraudulent transactions, or steal their identity. Therefore, it is important to prevent credit card numbers from leaving the enterprise network, where they could be intercepted by hackers, malicious insiders, or third parties. To protect credit card numbers and other sensitive PII, enterprises should implement data security measures such as encryption, tokenization, masking, access control, auditing, and monitoring. Additionally, enterprises should comply with data privacy laws and standards that regulate the collection, use, and protection of PII, such as the Payment Card Industry Data Security Standard (PCI DSS), the General Data Protection Regulation (GDPR), or the California Consumer Privacy Act (CCPA). References:

• What is PII? Examples, laws, and standards | CSO Online
• What is Personally Identifiable Information (PII)? | IBM
• What Is Personally Identifiable Information (PII)? Types and Examples
• What is PII (personally identifiable information)? - Cloudflare
• What is Personally Identifiable Information (PII)? - Data Privacy Manager

A layer 2 switch will break up collision domains but not broadcast domains. To break up broadcast domains you need a Layer 3 switch with vlan capabilities.