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The Windows Security app. This library describes the Windows Security app, and provides information on configuring certain features, including: In Windows 10, version 1709 and later, the app also shows information from third-party antivirus and firewall apps. In Windows 10, version 1803, the app has two new areas, Account protection and Device security . The Windows Security app is a client interface on Windows 10, version 1703 and later. It is not the Microsoft Defender Security Center web portal console that is used to review and manage Microsoft Defender for Endpoint. You can't uninstall the Windows Security app, but you can do one of the following: Disable the interface on Windows Server 2016. See Microsoft Defender Antivirus on Windows Server. Hide all of the sections on client computers (see below). Disable Microsoft Defender Antivirus, if needed. See Enable and configure Microsoft Defender AV always-on protection and monitoring. You can find more information about each section, including options for configuring the sections - such as hiding each of the sections - at the following topics: , which has information and access to antivirus ransomware protection settings and notifications, including Controlled folder access, and sign-in to Microsoft OneDrive. , which has information and access to sign-in and account protection settings. , which has information and access to firewall settings, including Windows Defender Firewall. , covering Windows Defender SmartScreen settings and Exploit protection mitigations. , which provides access to built-in device security settings. , which has information about drivers, storage space, and general Windows Update issues. , which includes access to parental controls along with tips and information for keeping kids safe online. If you hide all sections then the app will show a restricted interface, as in the following screenshot: Open the Windows Security app. Click the icon in the notification area on the taskbar. Search the Start menu for Windows Security . Open an area from Windows Settings . Settings configured with management tools, such as Group Policy, Microsoft Intune, or Microsoft Endpoint Configuration Manager, will generally take precedence over the settings in the Windows Security. See the topics for each of the sections for links to configuring the associated features or products. How the Windows Security app works with Windows security features. Microsoft Defender AV and the Windows Security app use similarly named services for specific purposes. The Windows Security app uses the Windows Security Service ( SecurityHealthService or Windows Security Health Servce ), which in turn utilizes the Security Center service ( wscsvc ) to ensure the app provides the most up-to-date information about the protection status on the endpoint, including protection offered by third-party antivirus products, Windows Defender Firewall, third-party firewalls, and other security protection. These services do not affect the state of Microsoft Defender AV. Disabling or modifying these services will not disable Microsoft Defender AV, and will lead to a lowered protection state on the endpoint, even if you are using a third-party antivirus product. Microsoft Defender AV will be [disabled automatically when a third-party antivirus product is installed and kept up to date]/microsoft- 365/security/defender-endpoint/microsoft-defender-antivirus-compatibility). Disabling the Windows Security Center service will not disable Microsoft Defender AV or Windows Defender Firewall. If you disable the Security Center service, or configure its associated Group Policy settings to prevent it from starting or running, the Windows Security app may display stale or inaccurate information about any antivirus or firewall products you have installed on the device. It may also prevent Microsoft Defender AV from enabling itself if you have an old or outdated third-party antivirus, or if you uninstall any third- party antivirus products you may have previously installed. This will significantly lower the protection of your device and could lead to malware infection. The Windows Security app operates as a separate app or process from each of the individual features, and will display notifications through the Action Center. It acts as a collector or single place to see the status and perform some configuration for each of the features. Disabling any of the individual features (through Group Policy or other management tools, such as Microsoft Endpoint Configuration Manager) will prevent that feature from reporting its status in the Windows Security app. The Windows Security app itself will still run and show status for the other security features. Individually disabling any of the services will not disable the other services or the Windows Security app. For example, using a third-party antivirus will disable Microsoft Defender Antivirus. However, the Windows Security app will still run, show its icon in the taskbar, and display information about the other features, such as Windows Defender SmartScreen and Windows Defender Firewall. Microsoft Defender Application Guard Extension. Microsoft Defender Application Guard provides Hyper-V isolation on Windows 10, to protect users from potentially harmful content on the web. The extension helps Application Guard protect users running other web browsers. Application Guard, by default, offers native support to both Microsoft Edge and Internet Explorer. These browsers do not need the extension described here for Application Guard to protect them. Microsoft Defender Application Guard Extension defends devices in your organization from advanced attacks, by redirecting untrusted websites to an isolated version of Microsoft Edge. If an untrusted website turns out to be malicious, it remains within Application Guard's secure container, keeping the device protected. Prerequisites. Microsoft Defender Application Guard Extension works with the following editions of Windows 10, version 1803 or later: Windows 10 Professional Windows 10 Enterprise Windows 10 Education. Application Guard itself is required for the extension to work. It has its own set of requirements. Check the Application Guard installation guide for further steps, if you don't have it installed already. Installing the extension. Application Guard can be run under managed mode or standalone mode. The main difference between the two modes is whether policies have been set to define the organization's boundaries. Enterprise administrators running Application Guard under managed mode should first define Application Guard's network isolation settings, so a set of enterprise sites is already in place. From there, the steps for installing the extension are similar whether Application Guard is running in managed or standalone mode. On the local device, download and install the Application Guard extension for Google Chrome and/or Mozilla Firefox. Install the Microsoft Defender Application Guard companion app from the Microsoft Store. This companion app enables Application Guard to work with web browsers other than Microsoft Edge or Internet Explorer. Restart the device. Recommended browser group policies. Both Chrome and Firefox have their own browser-specific group policies. We recommend that admins use the following policy settings. Secure Authentication With the Duo Mobile App. Secure access to work and personal, cloud and on-premises apps with one simple app: Duo Mobile. Easy, One-Tap Authentication. It's fast and easy to log in securely with Duo Push, the more secure method of two-factor authentication supported by Duo Mobile. With Duo's single-tap, user-friendly interface, users can quickly verify their identity by approving push notifications before accessing applications. It's just as quick to deny an unfamiliar login attempt, so users can easily stop fraudulent attempts to access company data. Duo Mobile can also generate time-based one-time (TOTP) passcodes that users can type into their login prompt to complete the two-factor authentication process. “Duo increased our security and was an easy tool to deploy; every organization should consider them immediately.” Read the Customer Story — Chad Spiers, Director of Information Security, Sentara Health. User-Friendly Security Features. Duo Mobile helps users take an active role in protecting their accounts. Security Checkup. By providing a security score of users’ devices, Security Checkup empowers users to maintain the security hygiene of their mobile devices via Duo Mobile notifications. This feature is available on iOS and Android through Duo Mobile. Related. Duo Restore. Provide your users with the ability to back up and restore their Duo Mobile app with Duo Restore. This feature allows Android and iOS Duo Mobile users to back up their Duo-protected accounts and recover them when they get a new device — no help desk ticket needed. Authentication Controls for Every User. Duo Mobile supports multiple authentication controls — from push notifications, to biometrics, to passcodes — while maintaining a consistent, intuitive user login experience. Allow your users to choose the method that best meets their needs and easily update their preferences at any time. How to Recover Files Deleted by Windows Defender? Read about recovering files deleted by Windows Defender , where you can find the folder with files placed to the Quarantine, how to configure exclusions for the antivirus and firewall, and how to boost your computer’s performance. Introduction. One of the latest updates issued and available under Windows 10 assessment program is Windows 10 Redstone 5. It adds a lot of newest and most important functional improvements to the Windows operating system. If the system works all right and the new functions receive popular user approval, they are included into official system updates and become available for all Windows 10 users across the globe. Windows Defender Security Center. One of the most important aspects that received special attention in the Windows operating system is the safety of use and protection against harmful effects of third-party malware. The application in charge of ensuring absolute security is Windows Defender Security Center. In Windows 10 operating system it has become more powerful and can be used as a reliable safeguard against malware, and be a full-fledged equivalent of a third-party antivirus to protect your PC. Microsoft engineers have somewhat modified Windows Defender and included several new technologies and functions into this defense application. Now the configuration panel for Windows Defender has been moved to the new Windows 10 application, Settings, so that all important elements for management of internal operating system settings are collected in one place for user convenience. Beginning with Windows 10 Creators Update 1703 , the new Windows Defender icon fashioned as a white shield is displayed in the System Tray or in the hidden icons panel. When you click on it, the system will open Windows Defender Security Center to make it easier for you to view and control the selected protection measures and have a better understanding of the security functions which are already guarding your device working under Windows 10 operating system. The security center will act as the single panel for all defensive functions including third-party security tools to deliver a clearer picture of all risks your computer may face while working. It was specially designed to simplify and unify all the Windows security settings in one place. This tool will include the following seven sections to provide users with full control over their device’s security and operability. Virus & threat protection. The first page of the security center displays complete information on the status of protection provided for your device by Windows Defender and a third-party antivirus app. Users can see the information on current threats, the last scan and have a look at the list of detected threats. Compared to the previous versions of this operating system, the security center has got extra settings: a wider range of antivirus protection, security settings against ransomware, controlled access to folders to protect them and corresponding memory sectors on your device from unauthorized modification by malware etc. If there is a problem that requires your attention, an exclamatory mark inside a yellow triangle will appear on the Windows Defender icon in the System Tray. The detected problem will be displayed in the corresponding page of the Windows Defender Security Center and a method to solve the issue will be suggested. If the problem is so serious that it requires urgent action, the Windows Defender icon in the System Tray will show a red circle with a white cross inside it to bring your attention to the importance of a new threat. In the corresponding section of Windows Defender Security Center you will be able to learn more about the problem and choose how to tackle it. Account Protection. This page contains Windows Defender settings that ensure complete protection for user accounts and extra privacy settings along with cloud storage backup. Additionally, the security center provides control over Windows Hello , a popular and well-known biometric function within Windows 10 , which allows quick and safe sign-in to Windows 10 , making payments, connecting to applications and services in a number of ways including face recognition and fingerprint use. The Dynamic lock system deserves special attention; its settings allow the Windows 10 Defender block devices if their actions go beyond the allowed limits. Firewall & network protection. The next page manages Windows Firewall settings and ensures uninterrupted defense for your device when connected to various networks. Additionally, there are links to network and Internet troubleshooter, firewall notification settings, advanced security settings with explanation of security policy rules and an opportunity to configure Windows Firewall for inbound and outbound connections. Besides, there is also information on local networks reflecting main settings in Network and Internet section of the Settings app. App & browser control. This page of the security center deals with app protection and security when on the Internet. For this purpose, there are settings for Windows Defender SmartScreen. The SmartScreen in Windows 10 operating system, as well as in its previous version, Windows 8.1 , prevents your computer from running suspicious (or evidently dangerous) programs and websites, blocks them immediately and uses pop-up notifications to warn you of the danger. When installing any application, opening a webpage in Microsoft Edge browser or using the application store Microsoft Store the SmartScreen filter will check them for compliance with security settings in the Microsoft database, and will immediately block a suspicious action or suggest the user to decide whether to perform such actions or consider them safe. Device security. Every computer device has a kind of built-in equipment used by Windows 10 operating system to ensure additional security. In this page, users can see one of the three messages indicating additional security options for your device: