A Next-Generation Firewall (NGFW) is the best solution to meet the company's needs. NGFWs combine multiple security functions, such as VPN support, intrusion prevention, application-layer (Layer 7) inspection, and more, into a single device, simplifying network security management while improving security coverage. NGFWs can support multiple VPNs with different security contexts, which is critical for the company's requirement.

Fileless malware is a type of malicious activity that uses native, legitimate tools built into a system to execute a cyber attack.

The scan output in line 06 indicates that OCSP Must-Staple is not supported. This vulnerability exposes the application to attacks where an attacker can exploit the trust relationship between the client and the server by forging certificate revocation statuses. When OCSP stapling is not enforced, a client cannot reliably check if a certificate has been revoked, potentially allowing attackers to exploit this gap.

Virtual Desktop Infrastructure (VDI) allows the consultant to work within a virtualized environment controlled by the customer. All data remains within the customer's environment, and access is controlled by the customer.