CCNA Manage security and threats by using Microsoft Defender XDR Questions

Your organization uses Microsoft Defender for Office 365. Users report that some phishing emails are still reaching inboxes despite the anti-phish policy being enabled. You need to reduce the number of phishing emails that bypass the filter. What should you configure?

Your company uses Microsoft Defender for Cloud Apps. You notice that a user is downloading large amounts of data from a sanctioned cloud app from an unusual location. You need to automatically suspend the user's access when such activity is detected. What should you configure?

A company wants to receive alerts when a user account is used from an unauthorized location. They have Microsoft Defender for Cloud Apps (MDA). Which policy type should they create?

Your organization uses Microsoft Defender for Office 365. You need to configure a policy that automatically moves emails containing malicious attachments to quarantine and notifies the security team. Additionally, you want to allow users to release their own quarantined messages if they are false positives. What should you do?

A security analyst wants to automatically create a Microsoft Teams message in a dedicated security channel whenever a Microsoft 365 Defender incident with severity 'High' is created. Which automation approach should the analyst use?

Your organization uses Microsoft Defender for Identity (MDI) and Microsoft Defender for Cloud Apps. You receive an alert about a user account that is exhibiting suspicious behavior: unusual login times from an IP address that is not in the user's typical location. The alert recommends action. You need to determine if the account is compromised. What is the best next step?

Your organization has Microsoft 365 E5 and uses Microsoft Defender for Cloud Apps. You want to block downloads from an unsanctioned cloud app that is used by some employees. What should you configure?

A security analyst wants to search for instances where a user received a phishing email that was delivered to their inbox, and then later clicked a link within that email that led to a known malicious domain. Which two advanced hunting tables should be joined to identify both the email delivery and the link click events? (Choose the option that correctly identifies the primary table pair.)

Your organization uses Microsoft Defender for Identity. You need to configure honeytoken accounts. Which THREE attributes should you ensure are NOT set for honeytoken accounts?

You run the KQL query shown in the exhibit in Microsoft Defender XDR advanced hunting. What is the primary purpose of this query?

You run the above PowerShell command on a Windows 10 device that is onboarded to Microsoft Defender for Endpoint. The device is reporting as healthy in the portal, but you suspect that some behavioral detection capabilities are turned off. Based on the output, which setting should you modify?

A company uses Microsoft Defender for Cloud Apps to monitor cloud app usage. They want to receive alerts when a user downloads a large number of files from SharePoint Online in a short time, which could indicate data exfiltration. What should they configure?

Drag and drop the steps to configure a Conditional Access policy in Microsoft Entra ID in the correct order.

Your company uses Microsoft Defender XDR. You need to review the list of incidents that were investigated automatically by the system. Where should you navigate in the Microsoft Defender portal?

Which TWO actions can be performed by Microsoft Defender for Identity? (Select TWO.)

You are a security administrator for a company that uses Microsoft Defender XDR. You need to configure automated investigation and response (AIR) to automatically remediate threats. Which two actions should you take?

A security analyst is creating a custom detection rule in Microsoft 365 Defender Advanced Hunting. The rule should trigger when a process named 'powershell.exe' is launched with command-line arguments containing '-EncodedCommand', and within 5 minutes a service is created on the same device. Which two Advanced Hunting tables must be joined in the KQL query to create this detection?

A company uses Microsoft Defender for Office 365. They want to ensure that users cannot ignore warning messages when clicking on a malicious link in an email. What should they configure?

A company is implementing Microsoft Defender for Identity (MDI) to protect its on-premises Active Directory environment. The security team needs to ensure that MDI can monitor all domain controllers. They have installed the MDI sensor on all domain controllers. However, they notice that some suspicious activities are not being detected. Which additional configuration should the team verify to ensure comprehensive coverage?

Your organization uses Microsoft Defender for Identity. You need to investigate an alert indicating a suspected lateral movement using pass-the-hash from a compromised workstation. Which entity should you prioritize examining in the investigation timeline?

A security analyst investigates a potential data exfiltration incident. The analyst identifies that a user's device has made multiple connections to an unknown external IP address using a custom port. Which Microsoft Defender XDR data source would provide the most detailed network communication logs for this investigation?

You need to configure Microsoft Defender for Office 365 to protect users from malicious links in email. Which TWO actions should you configure?

A security administrator wants to detect unusual user activity, such as a user downloading an abnormally large number of files from SharePoint Online in a short period. Which Microsoft Defender for Cloud Apps feature should be used to create a policy for this behavior?

You are a security administrator for an organization that uses Microsoft Defender XDR. You want to provide your security operations team with a unified view of all incidents across endpoints, email, and identities. You also want to automate the creation of incidents when correlated alerts are detected. What should you do?

A security administrator wants to reduce the risk of credential dumping from LSASS on managed Windows endpoints. Which Attack Surface Reduction rule should be enabled?

Which THREE settings can you configure in a Microsoft Defender for Office 365 anti-phish policy?

A security administrator wants to ensure that all email attachments are scanned in a sandbox environment and blocked if malicious, with email delivery delayed until scanning completes. Which Microsoft 365 Defender policy should the administrator configure?

You are investigating an incident in Microsoft Defender XDR where a user received a phishing email that contained a link to a malicious site. The user clicked the link but did not enter credentials. Which actions would be most effective to remediate the incident?

Your organization has Microsoft Defender for Cloud Apps deployed. You need to be alerted when a user performs more than 50 failed login attempts in an hour from a non-corporate IP address. Which type of policy should you create?

A security analyst wants to create a custom detection rule that triggers when a user receives a phishing email that bypassed Exchange Online Protection, and then clicks a link that leads to a known malicious domain. Which two advanced hunting tables should the analyst combine to detect this chain of events?

Your organization uses Microsoft Defender for Cloud Apps. You discover that a user is accessing a sanctioned cloud app from an unknown IP address. You want to require multi-factor authentication (MFA) for this access. What should you configure?

A security analyst needs to create a custom detection rule in Microsoft Defender XDR that triggers when a user's device establishes a network connection to a known malicious IP address on a port commonly used by a specific malware. The rule must also include process information such as the filename of the process that initiated the connection. Which advanced hunting table should be the primary data source for this rule?

You are a security administrator for a company that uses Microsoft Defender XDR. You need to investigate a suspicious email that was reported by a user. You want to see the full email details, including headers, attachments, and URLs. Where should you look?

You create a custom detection rule in Microsoft Defender XDR using the KQL query shown in the exhibit. The rule is intended to detect lateral movement via SMB. After deploying the rule, you notice that it generates many false positives from legitimate administrative activity. What is the most effective way to reduce false positives?

Your organization uses Microsoft Defender for Endpoint (MDE). A security analyst needs to investigate a file that was detected as malicious on several devices. The analyst wants to see the file's prevalence across the organization and other related events. Which feature in MDE should the analyst use?

Your organization uses Microsoft Defender for Endpoint (Plan 2) and Microsoft Defender for Identity. A security analyst reports that several domain controllers are generating alerts for anomalous logon activity. You need to investigate the scope of the potential compromise across the entire environment, including endpoints, identities, and cloud apps. What is the most efficient approach?

Your organization uses Microsoft Defender XDR and Microsoft 365 E5 licenses. You need to ensure that when a user is determined to be compromised (e.g., due to a leaked credential), all active sessions are terminated and the user is required to re-authenticate with multi-factor authentication (MFA). You want to automate this process as much as possible. What should you do?

Your organization uses Microsoft Defender for Office 365 and Microsoft Defender for Endpoint. A user receives an email with a link that leads to a malicious website. The user clicks the link, but the browser is protected by Microsoft Defender SmartScreen. However, the user is still able to download a file from the site. What should you configure to prevent this?

A security administrator wants to automatically isolate a device in Microsoft Defender for Endpoint whenever a high-severity alert is triggered. The isolation should occur without manual intervention. Which Microsoft Defender XDR feature should be configured?

Your organization uses Microsoft Defender for Office 365. You need to ensure that emails containing malicious attachments are automatically removed from users' inboxes after detection. What should you configure?

A security analyst is using Microsoft 365 Defender Advanced Hunting to investigate a potential malware outbreak. The analyst needs to find all devices where a specific signed executable (known to be malicious) was created in the past 24 hours. Which Advanced Hunting table should be queried to detect the creation of the executable file?

You are a security administrator. You need to ensure that email messages containing malicious attachments are automatically removed from all mailboxes in your organization after delivery. Which Microsoft Defender for Office 365 feature should you configure?

Your organization deploys Microsoft Defender XDR and wants to use advanced hunting to detect lateral movement by an attacker who uses RDP from a compromised workstation to a domain controller. Which KQL query should you use in advanced hunting?

Refer to the exhibit. You are configuring a session policy in Microsoft Defender for Cloud Apps. The policy must block downloads when both the app risk is high and the user risk is high. Based on the exhibit, which additional condition should you add to ensure the policy only applies to unsanctioned apps?

An administrator wants to configure automated investigation and response (AIR) in Microsoft 365 Defender so that when a high-severity malware alert is generated for a device from Microsoft Defender for Endpoint, the device is automatically isolated from the network without requiring a security analyst to approve the action. Which configuration step is required?

Your organization uses Microsoft Defender for Office 365 and Microsoft Defender for Cloud Apps. A user reports receiving a suspicious email with a link to a known phishing site. You need to prevent other users from clicking similar links in the future. What should you configure?

A security administrator wants to automatically block a file that is detected as malware on one endpoint from being executed on all other endpoints in the organization. Which Microsoft Defender for Endpoint capability provides this?

Your organization is a small business with 200 users. You use Microsoft 365 Business Premium, which includes Microsoft Defender for Business (the small business version of Defender for Endpoint) and Microsoft Defender for Office 365 Plan 1. You want to protect against ransomware by blocking malicious processes and behaviors on endpoints. You also need to enable automated investigation and response for common threats. However, your IT team has limited security expertise and wants a simple configuration that provides out-of-the-box protection without custom policies. What should you do?

A security analyst wants to create a custom detection rule in Microsoft Defender XDR that triggers when a user receives a phishing email and clicks a link to a known malicious domain. Which advanced hunting table should the analyst query to track the clicked URL?

An organization wants to prevent users from running executable files from the Windows Temp folder. Which Microsoft Defender for Endpoint capability should be configured?

Your organization uses Microsoft Defender for Endpoint (Plan 2) and Microsoft Defender for Identity. A user reports that their device is running slowly and exhibiting unusual network traffic. You investigate in Microsoft Defender XDR and see a high number of alerts for the device. You need to determine if the device is compromised and, if so, initiate an automated investigation. What should you do first?

Refer to the exhibit. You run the KQL query and see that a device named 'WORKSTATION42' has made 1500 connections to a public IP address 203.0.113.55 in the last day. You suspect the device may be compromised. What should you do next to gain the most context?

Your organization uses Microsoft Defender for Cloud Apps. You need to generate alerts when a user downloads more than 100 files from SharePoint Online within 10 minutes. What should you configure?

A security administrator wants to block executable files from running from writable system directories such as %TEMP% and %APPDATA% on Windows devices. Which attack surface reduction (ASR) rule should be enabled?

A company is deploying Microsoft Defender for Office 365 to protect against advanced threats. Which two features are available only in Defender for Office 365 Plan 2 and not in Plan 1? (Choose two.)

Your organization uses Microsoft Defender XDR. You need to configure automated actions for high-confidence phishing emails. Which TWO actions can be automatically taken by Microsoft Defender for Office 365?

A security analyst needs to create a custom detection rule in Microsoft 365 Defender that triggers when a suspicious PowerShell process (e.g., using -EncodedCommand) is detected on a device, and within 5 minutes, an outbound network connection to a known malicious IP address occurs. Which two advanced hunting tables must be joined?

You manage a Microsoft Defender for Endpoint environment. A device onboarded to Defender for Endpoint is not reporting alerts. You run the Microsoft Defender for Endpoint client analyzer and see that the service is running. Which log should you review to troubleshoot the issue?

Refer to the exhibit. You are analyzing a KQL query in Microsoft Defender XDR Advanced Hunting. The query returns a list of devices where PowerShell or cmd.exe with encoded commands executed more than 5 times in the last 7 days. The security team suspects that one of the devices is compromised due to excessive use of encoded commands. However, a legitimate administrative script uses encoded commands regularly. How can you refine the query to reduce false positives while still detecting potentially malicious activity?

A security analyst is investigating a potential lateral movement attack. They need to identify which processes were created on a compromised device and then which network connections were made by those processes. Which two advanced hunting tables should the analyst join in a KQL query?

Your organization uses Microsoft Defender for Cloud Apps. You need to generate a report of all external users who have shared sensitive files from SharePoint Online. Which feature should you use?

You are investigating an incident in Microsoft Defender XDR. The incident involves multiple alerts from different sources. Which THREE actions should you take during the investigation?

A security administrator wants to monitor and control user downloads from a third-party SaaS application (e.g., Box) in real time. The administrator needs to apply session-level policies to block downloads based on risk. Which Microsoft 365 Defender feature should be used?

You are configuring Microsoft Defender for Office 365 to protect against business email compromise (BEC) attacks. Which policy setting should you enable to analyze email sender behavior and detect impersonation attempts?

Your organization is a financial services company with 5,000 users. You use Microsoft Defender XDR, including Defender for Endpoint Plan 2, Defender for Identity, Defender for Office 365 Plan 2, and Defender for Cloud Apps. You have recently deployed Microsoft Copilot for Security to assist your security operations center (SOC) analysts. A high-severity incident is generated: 'A user named jdoe accessed a malicious IP address from their device, and then logged into Azure Portal from an anonymous IP address. Defender for Identity detected a suspicious Kerberos ticket request from the same user's domain controller. The SOC analysts are overwhelmed with alerts and need to quickly understand the full scope of the incident, including related alerts, impacted assets, and recommended actions. They also want to use natural language to ask questions about the incident. What should you do to enable the analysts to efficiently investigate this incident?

Your organization has Microsoft 365 E5 licenses and uses Microsoft Defender for Office 365. You need to ensure that users are warned before clicking on malicious URLs in email messages, even if the URL is clicked after the email is delivered. Which policy should you configure?

Your organization uses Microsoft Defender for Office 365. You need to ensure that malicious links in email messages are blocked at the time of click by checking the link reputation in real time. What should you enable?

Your organization uses Microsoft Defender for Endpoint. A user reports that their device is not receiving security updates. You need to ensure that the device is properly onboarded to Defender for Endpoint. Which log should you check first?

Your organization uses Microsoft Defender for Cloud Apps. You discover that a user is downloading large amounts of data from SharePoint Online to an unmanaged device. You need to automatically block the download and alert the security team. What should you configure?

A company is using Microsoft Defender for Identity (MDI) and wants to receive alerts when a user account is involved in a suspicious network connection. The security team has enabled MDI alerts but is not receiving any alerts for a specific account that is showing anomalous behavior. What should the team check first?

Which THREE features are part of Microsoft Defender XDR? (Select THREE.)

Your organization uses Microsoft Defender for Endpoint. You need to configure a rule that automatically isolates a device from the network when a specific threat is detected, but only if the device is in a specific device group. Which approach should you use?

A company is planning to deploy Microsoft Defender for Endpoint to its Windows 10 devices. The devices are managed by Microsoft Intune. The security team wants to ensure that the MDE sensor is installed automatically on new devices that are enrolled in Intune. Which method should the team use?

You are configuring Microsoft Defender for Office 365. Which TWO actions should you take to protect users from phishing attacks that use impersonation?

Your organization uses Microsoft Defender for Endpoint. You need to ensure that when a device with a high-risk vulnerability is detected, it is automatically isolated from the network. What should you configure?