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A retail company is facing a series of cyberattacks targeting web servers, which results in disruptions to online services. Upon investigation, the security team identified that these attacks involved invalid HTTP request headers, which were used to exploit vulnerabilities in the web application. To safeguard the company websites against similar threats in the future, the security team must deploy a security solution specifically designed to detect and block such malicious web traffic. Which security product must be used to protect the websites from similar attacks?
The cyberattacks described target the application layer (Layer 7), specifically exploiting vulnerabilities through malformed HTTP headers. A Web 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 the Cisco Secure Firewall or 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) and Host-based firewalls (Option D) protect the server's operating system from malware and unauthorized connections but cannot inspect the logic of a web request. A Traditional 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.
Which tool must be used to prioritize incidents by a SOC?
A Security Operations Center (SOC) is often overwhelmed by thousands of alerts from various security tools. The primary tool used to aggregate, correlate, and---most importantly---prioritize these incidents is the Security Information and Event Management (SIEM) system. According to the Cisco SDSI domain on Risk, Events, and Requirements, a SIEM acts as the central brain of the SOC.
A SIEM (such as Splunk or Cisco Secure Cloud Analytics) ingests logs from firewalls, endpoints, and cloud services. It uses correlation rules and risk-scoring algorithms to distinguish between low-priority 'noise' and critical security incidents. For example, a single failed login might be ignored, but ten failed logins followed by a successful one and a large data transfer would be escalated as a high-priority incident. Endpoint Detection and Response (EDR) (Option B) and Endpoint Protection Platforms (EPP) (Option D) provide deep visibility and protection on individual hosts but lack the cross-platform correlation needed to prioritize organizational risk. CloudWatch (Option C) is a monitoring service for AWS resources but does not function as a multi-source security correlation engine. By using a SIEM, SOC analysts can focus their limited time on the most impactful threats, ensuring a more efficient and effective incident response process.
Considering recent cybersecurity threats, a company wants to improve the process for identifying, assessing, and managing risks with a comprehensive and holistic approach. Which framework must be used to meet these requirements?
For an organization seeking a 'comprehensive and holistic approach' to risk management, the NIST 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) and GDPR (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.
Refer to the exhibit.
A retail company recently deployed a file inspection feature using secure endpoint. The file inspection must detect and prevent the execution of malicious files on machines. During testing, logs showed that certain malicious files are still being executed despite the presence of the security measure. To understand why the threats are not being blocked, it is essential to investigate the configuration of secure endpoint policies. Which configuration is allowing the files to execute?
In the provided exhibit of the Cisco Secure Endpoint (formerly AMP for Endpoints) console, the 'Activity Details' pane on the right side provides the specific reason why the malicious file was allowed to execute. The log clearly states: 'The file was not quarantined. In audit only mode.' This indicates that while the system correctly identified the file (iodnxvg.exe) as malicious and categorized it with a threat name (W32.DFC.MalParent), it took no preventative action because of the policy configuration.
In Cisco Secure Endpoint, policies can be set to different modes. Audit Mode is typically used during the initial deployment or testing phase to gain visibility into what would be blocked without actually disrupting business operations. In this mode, the connector logs events and alerts administrators but does not move the file to a secure quarantine area. To fulfill the requirement of preventing the execution of malicious files, the security designer must change the policy from 'Audit' to a protective mode, such as Protect or Quarantine. This ensures that the engine actively intervenes when a threat signature or suspicious behavior is detected.
While the file is confirmed as malicious (negating Option A) and the system is clearly active and logging (negating Option C), the lack of enforcement is a direct result of the specific operational mode selected. Option B is incorrect because, although network blocking is a feature, the primary failure here is at the file execution/quarantine layer. This scenario emphasizes the importance of moving from a visibility-centric posture to an enforcement-centric posture in a mature secure infrastructure design.
A legal services company wants to prevent remote employees from accessing personal email and social media accounts while using corporate laptops. Which security solution enforces the policy?
In the modern landscape of remote work, a legal services company must enforce acceptable use policies (AUP) regardless of where a corporate laptop is located. Cisco Umbrella is the ideal architectural solution for this requirement. Umbrella acts as a Secure Internet Gateway (SIG) that operates primarily at the DNS and web layer. When a remote employee attempts to access a personal email site or a social media platform, Umbrella intercepts the DNS request and checks it against the organization's defined security policy.
Cisco Umbrella provides granular Content Filtering capabilities, allowing administrators to block entire categories of websites, such as 'Social Networking' or 'Webmail,' with a single click. This enforcement happens at the edge---before a connection is even established to the malicious or unauthorized site---making it highly efficient for remote users who may not be connected to the corporate VPN. While Cisco TrustSec (Option A) and RADIUS (Option B) are powerful for internal network segmentation and authentication, they do not inherently provide the URL/domain-based categorization required to block specific web content for remote clients. A network monitoring tool (Option D) provides visibility but lacks the active enforcement mechanism to block traffic. Therefore, Cisco Umbrella is the specified technology in the SDSI objectives for cloud-delivered web security and policy enforcement for a distributed workforce.
