This means that content in any of these folders cannot be accessed or changed by any unknown or untrusted apps. If you add additional folders, they become protected as well. Learn more about using Controlled folder access. In those rare instances you can add an exclusion for them.
Learn more about adding an exclusion to Windows Security. Windows Security will send notifications about the health and safety of your device. You can turn these notifications on, or off, on the notifications page. See Windows Security notifications.
Security intelligence sometimes referred to as "definitions" are files that contain information about the latest threats that could infect your device. Windows Security uses security intelligence every time a scan is run. Microsoft automatically downloads the latest intelligence to your device as part of Windows Update , but you can also manually check for it. How malware can infect your PC. Microsoft Security help and learning. Need more help? Expand your skills. Get new features first. Was this information helpful?
Yes No. Thank you! Any more feedback? The more you tell us the more we can help. Can you help us improve? Resolved my issue. Hacktool: A type of tool that can be used to gain unauthorized access to your device. Macro virus: A type of malware that spreads through infected documents, such as Microsoft Word or Excel documents. The virus is run when you open an infected document. Obfuscator: A type of malware that hides its code and purpose, making it more difficult for security software to detect or remove.
Password stealer: A type of malware that gathers your personal information, such as usernames and passwords. It often works along with a keylogger, which collects and sends information about the keys you press and websites you visit. Ransomware: A type of malware that encrypts your files or makes other modifications that can prevent you from using your device.
It then displays a ransom note that states you must pay money or perform other actions before you can use your device again. See more information about ransomware. Rogue security software: Malware that pretends to be security software but doesn't provide any protection. This type of malware usually displays alerts about nonexistent threats on your device.
It also tries to convince you to pay for its services. Trojan: A type of malware that attempts to appear harmless. Unlike a virus or a worm, a trojan doesn't spread by itself. Instead, it tries to look legitimate to tricks users into downloading and installing it.
Once installed, trojans perform various malicious activities such as stealing personal information, downloading other malware, or giving attackers access to your device. Trojan clicker: A type of trojan that automatically clicks buttons or similar controls on websites or applications. Attackers can use this trojan to click on online advertisements.
These clicks can skew online polls or other tracking systems and can even install applications on your device. Worm: A type of malware that spreads to other devices. Worms can spread through email, instant messaging, file sharing platforms, social networks, network shares, and removable drives. Sophisticated worms take advantage of software vulnerabilities to propagate. Microsoft believes that you should have control over your Windows experience.
Software running on Windows should keep you in control of your device through informed choices and accessible controls. Microsoft identifies software behaviors that ensure you stay in control.
We classify software that doesn't fully demonstrate these behaviors as "unwanted software". You must be notified about what is happening on your device, including what software does and whether it's active. Fail to clearly indicate when the software is active. It might also attempt to hide or disguise its presence.
Software must not mislead or coerce you into making decisions about your device. It is considered behavior that limits your choices. In addition to the previous list, software that exhibits lack of choice might:. Make misleading or inaccurate claims about files, registry entries, or other items on your device. Display claims in an alarming manner about your device's health and require payment or certain actions in exchange for fixing the purported issues.
You must be able to control software on your device. You must be able to start, stop, or otherwise revoke authorization to software. Must be signed into a Microsoft account. Otherwise, internet access required. Fees may apply. OneDrive files are restored to the state they were in before the attack occurred. File versions created up to 30 days in the past can be restored at any time for any reason. Requires Microsoft account.
Location permissions must be active; driving safety available only in the U. From the box to startup to browsing, Windows helps you stay secure Next-generation antivirus and malware defense. Secure sign-in with Windows Hello Forget your passwords. Edge online privacy Tracking prevention helps you manage how websites track you and gives you control over your privacy settings. Set it and forget it Windows PCs can automatically backup precious files to the cloud in OneDrive—allowing for selected files to be made recoverable in the event of a cyberattack.
Empower and protect Stay connected with your loved ones, develop stronger safety habits, and create a safer online space with the Microsoft Family Safety app.
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