Cisco 300-745 Exam With Confidence Using Practice Dumps

For an organization seeking a "comprehensive and holistic approach" to risk management, theNIST SP 800-37 (Risk Management Framework - RMF)is the industry-standard recommendation. The RMF provides a structured, seven-step process for managing security and privacy risk: Prepare, Categorize, Select, Implement, Assess, Authorize, and Monitor.

According to the Cisco SDSI objectives, the NIST RMF allows organizations to align their security controls with their business goals and risk tolerance. It moves security beyond a simple "checklist" and into a continuous lifecycle of improvement.HIPAA(Option A) andGDPR(Option D) are regulatory mandates focused on specific data types (Health and Privacy, respectively) rather than a general framework for all organizational risks.MITRE CAPEC(Option B) is a dictionary of attack patterns used for technical threat modeling, not a holistic risk management process. By adopting NIST SP 800-37, a company ensures that its security infrastructure is designed and maintained based on a rigorous assessment of the current threat landscape and organizational requirements, fulfilling the core requirements of the "Risk, Events, and Requirements" domain.

The cyberattacks described target theapplication layer (Layer 7), specifically exploiting vulnerabilities through malformed HTTP headers. AWeb Application Firewall (WAF)is the specialized security solution required to mitigate these threats. Unlike standard firewalls that inspect traffic at the network and transport layers (IPs and Ports), a WAF performs deep inspection of HTTP/HTTPS traffic.

A WAF—such as those integrated into theCisco Secure Firewallor cloud-native WAF services—understands the structure of web requests. It can identify and block sophisticated attacks like SQL injection, Cross-Site Scripting (XSS), and the specific "invalid HTTP request headers" mentioned in the scenario. By applying a set of rules (often based on the OWASP Top 10), the WAF filters out malicious requests before they reach the web server.Antivirus software(Option A) andHost-based firewalls(Option D) protect the server's operating system from malware and unauthorized connections but cannot inspect the logic of a web request. ATraditional Firewall(Option B) would simply see the traffic as "allowed" on Port 443 and pass it through. Implementing a WAF is a critical architectural requirement in the Cisco SDSI "Applications" domain to protect customer-facing web services from exploitation.

In the scenario described, the healthcare organization fell victim to aransomware attack, where devices were encrypted to extort the organization. To mitigate such risks in the future,Endpoint Detection and Response (EDR)is the essential architectural component. According to the Cisco SDSI Secure Infrastructure domain, protecting endpoints requires more than just traditional antivirus; it necessitates a solution that provides deep visibility into file behavior and process execution.

A robust EDR solution, such asCisco Secure Endpoint, continuously monitors all activity on the device. When ransomware attempts to initiate its encryption process, the EDR can detect the malicious behavioral pattern in real-time. It can then take automated actions, such as isolating the infected host from the network and "stopping" the encryption process before it spreads. Furthermore, Cisco's EDR providesretrospective security, allowing administrators to see how the malware arrived and which other devices it touched. While Option A (Password Policies) helps prevent credential theft and Option C (DLP) prevents data theft, they do not stop the technical process of disk encryption. Only EDR provides the necessary detection and automated response capabilities to handle modern file-less and polymorphic malware threats effectively. This aligns with the Cisco SAFE goal of securing the endpoint layer against advanced persistent threats (APTs) and ransomware variants.

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