Which of the following is a type of vulnerability that involves inserting scripts into web-based applications in order to take control of the client's web browser?
Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into a website, which are then executed in the user's web browser, potentially leading to data theft or session hijacking.
An administrator at a small business notices an increase in support calls from employees who receive a blocked page message after trying to navigate to a spoofed website. Which of the following should the administrator do?
In this scenario, employees are attempting to navigate to spoofed websites, which is being blocked by the web filter. To address this issue, the administrator should implement security awareness training. Training helps employees recognize phishing and other social engineering attacks, reducing the likelihood that they will attempt to access malicious websites in the future.
Deploying multifactor authentication (MFA) would strengthen authentication but does not directly address user behavior related to phishing websites.
Decreasing the level of the web filter would expose the organization to more threats.
Updating the acceptable use policy may clarify guidelines but is not as effective as hands-on training for improving user behavior.
Which of the following control types is AUP an example of?
An Acceptable Use Policy (AUP) is an example of a managerial control. Managerial controls are policies and procedures that govern an organization's operations, ensuring security through directives and rules. The AUP defines acceptable behavior and usage of company resources, setting guidelines for employees.
Physical controls refer to security measures like locks, fences, or security guards.
Technical controls involve security mechanisms such as firewalls or encryption.
Operational controls are procedures for maintaining security, such as backup and recovery plans.
Which of the following examples would be best mitigated by input sanitization?
This example of a script injection attack would be best mitigated by input sanitization. Input sanitization involves cleaning or filtering user inputs to ensure that they do not contain harmful data, such as malicious scripts. This prevents attackers from executing script-based attacks (e.g., Cross-Site Scripting or XSS).
Nmap command is unrelated to input sanitization, as it is a network scanning tool.
Email phishing attempts require different mitigations, such as user training.
Browser warnings about insecure connections involve encryption protocols, not input validation
A security engineer is installing an IPS to block signature-based attacks in the environment. Which of the following modes will best accomplish this task?
To block signature-based attacks, the Intrusion Prevention System (IPS) must be in active mode. In this mode, the IPS can actively monitor and block malicious traffic in real time based on predefined signatures. This is the best mode to prevent known attack types from reaching the internal network.
Monitor mode and sensor mode are typically passive, meaning they only observe and log traffic without actively blocking it.
Audit mode is used for review purposes and does not actively block traffic.
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