Questions tagged [windows-10]

An operating system developed by Microsoft released July 2015 and designed to run across devices with multiple form factors - PC, tablet, smartphone, Xbox and HoloLens.

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Does a BitLocker recovery key have any use on removable media, a.k.a 'BitLocker to Go', other than if you forget your password?

I understand that there are multiple reasons that a recovery key might be needed on a system partition, but why would I want the extra security risk of having a way of circumventing my password for ...
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watch-video.net malware and preventing these types of infections at the network level [closed]

How does a computer get infected with watch-video.net malware, and why aren't popular tools like windows defender or malwarebytes able to detect and remove it? Is there a practical way to prevent ...
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How to run PrintSpoofer in memory from powershell?

PrintSpoofer uses named pipe impersonation to elevate on Windows 10 to SYSTEM from a user with SeImpersonatePrivilege (Local Service, Network Service, Administrator etc.). The compiled version is ...
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105 views

Does Windows log desktop application passwords?

The other day I logged into Discord on my friend's computer using the desktop application. Does Windows log these events somewhere? Does it store the password hash or some sort of authentication token?...
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1answer
56 views

Windows 10 master key folder empty

I am currently trying to decrypt my files from my old laptop. I have a backup of the user folder of the old laptop and I am trying to find the old user master key to decrypt my files based on mimikatz ...
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How safe is it to use SMB file share on a machine running up-to-date Windows 10 LTSC through the Internet?

Running Windows 10 LTSC. Forwarded 445 port on the router to Windows SMB. Assuming that: My machine has no viruses in it (fresh Windows installation) It has been updated to the latest OS release I am ...
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Is the ability to export HKEY_LOCAL_MACHINE\SAM and HKEY_LOCAL_MACHINE\SYSTEM as .reg files a security concern?

I am concerned that if it is possible to copy these as .reg files (without privs) and then (on another machine) reverse the .hiv files from them... this would probably be bad, which makes me think it'...
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Trojan “Win32/Tnega!MSR” found by Windows Defender - aliases used by other antiviruses?

Recently I had a Windows 10 (64 bit) PC where Windows Defender would report that if found and (apparently) removed a "threat" it calls Win32/Tnega!MSR. Unfortunately, the removal was ...
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If i click on a link could it contain a virus inside iphone + IOS 14.4 [duplicate]

I was searching for some articles on google using my iphone 11, IOS version 14.4 >> and i find a link inside google search result >> then i click on the link which is from a trusted site &...
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How to decrypt TLS traffic originating from a Windows service on my Windows 10 PC?

Some months ago I bought a peripheral device for my Windows 10 computer (think of something like a game controller). My home router has a function that allows it to capture all incoming and outgoing ...
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Where is ISRG Root X1 certificate on Windows 10?

Have a look here: https://letsencrypt.org/2018/08/06/trusted-by-all-major-root-programs.html First paragraph says: "As of the end of July 2018, the Let’s Encrypt root, ISRG Root X1, is directly ...
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102 views

Windows service with elevated privileges - Security concern

The company I work at uses a program on their Windows workstations that runs as the logged-in user but some tasks require elevated privileges. The user must be able to run these without having admin ...
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Is there use for Windows built-in file/folder encryption if the PC has only one user?

From what I gathered, Windows 10 built-in encryption decrypts file/folder when a specific user logs into Windows. In a PC that only has one user, I want to keep the files encrypted until the user is ...
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3answers
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How to technically introduce my boss to computer file security?

My boss truly believes that keeping files on paper and locked in his drawer is the safest place ever. He is the type of guy that processes a file in Word/Excel, prints it, delete the file and store ...
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How does this unsigned exe launch without the windows 10 SmartScreen warning?

So, I have been working on my own project for which I have been looking into certificates and such. While browsing reddit I found a game which I can launch the exe file, expecting to get a Windows 10 ...
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1answer
167 views

If I use my school's access key to activate Windows 10 Education on my personal computer (at home) will the school be able to monitor my activity?

I downloaded Windows 10 Pro (unactivated) when I first built my PC, but was given an activation key from my school's IT website after logging in. I entered the key which activated windows and now I am ...
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539 views

Is my Windows 10 infected with malware?

When i use google chrome occasionally appears about 5 different McAfee's notification (I don't have McAfee installed), one of those: ATTENTION! Your computer is in danger. We detected a virus on your ...
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Are there known escapes to get disc access when a Bitlocker-encrypted password is locked at the Windows login screen?

So on a bitlocker-encrypted single drive on a laptop, if the laptop is booted and waiting at the login screen, is there a way to escape from here to get disc access, possibly excluding that of ...
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112 views

How to have full drive encyption that is unlocked while a USB device is plugged in?

I'd like a solution that autounlocks Bitlocker, VeraCrypt or similar FDE on Windows 10 while I have a device plugged in. When it's not plugged in (or I lose/destroy the device) it should just ask for ...
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1answer
115 views

Trojan detected in windows 10 can it affect dual boot Ubuntu

My windows defender detected this trojan: win32/credentialaccess!rfn and I tried to remove it. I use dual boot with Ubuntu: can this also effect ubuntu? If i reset my windows completely can it come ...
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52 views

Permissions to set for Secure internet browsing in Windows 10 (Pro)

In the recent past I have been a victim of virus/malware attacks on my home computer running Windows 10 (Home), since I used the same account with high access rights to also browse the internet. ...
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Third-party P3P extension for Internet Explorer or Edge

P3P has been removed from Internet Explorer and Edge in Windows 10. Is there a third-party browser extension that, as a cookie filter, reads compact privacy policies and allows or blocks cookies based ...
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111 views

Why does my antivirus keep alerting me that someone attempted to remote access my computer?

I have purchased AVG's premium service to use on a Windows 10 operating system, but it almost seems like since I have gotten it, (had it for about a month now) it keeps alerting me that it has blocked ...
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1answer
142 views

What are the security risks to have admin rights for a user account on Windows 10?

I am considering the security risks to have a standard user added to the Administrators group on an enterprise Windows 10 machine that is dedicated to that user. This is related to security only, so ...
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Are there remote exploits that are easier to perpetrate than installing a keylogger on a standard win10 laptop?

I'm trying to improve my wife's password hygiene, and have now finally got her to use different passwords for different sites. She now has trouble remembering to keep the book of them to hand. She ...
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New Win10 and Old YubiKey4; trying to configure GPG Sign for existing key

I have been using a YubiKey 4 to sign git commits for a few years on Ubuntu. I am setting up a new Windows10 machine and want to use the same signing key from Windows; however I cannot seem to point ...
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2answers
560 views

Is it safe to run online, multi-person game as administrator on Windows 10?

The newly released computer game Genshin Impact must be run as administrator on Windows 10. Millions of people have downloaded this game. It runs on multiple platforms, however I assume that a ...
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1answer
437 views

Windows 10 IPSec VPN not respecting configured parameters (notably: encryption method)

I am currently trying to establish a VPN connection from my Windows 10 Enterprise 1909 to a remote VPN gateway, using the built-in Windows VPN / IPSec client. Since the UI does not provide all options ...
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1answer
400 views

How am I supposed to interpret a VirusTotal result of “some engines think this is malware”? [closed]

I just scanned another installer/EXE with VirusTotal. I've come to depend on this crappy service owned by the evil Google, in spite of its ambiguous messages and extremely confusing interface, because ...
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Are Chinese character registry entries evidence of malware? [duplicate]

I have googled the below and could not find clear answers, although other people in forums were guided through to either dead ends or evidence of corrupted registry entries. I am ignorant of registry ...
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Why does Windows not always force me to confirm my password when changing it?

If I can change my password with cmd net user example * without needing to confirm my old password, why, when I change my password in the usual way (via settings or control panel), do I need to ...
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1answer
2k views

Windows Certificates - where is private key located?

In Windows 10: When I load a certficate into the "Current User" store, it puts a private key file here: C:\Users\[userID-A]\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-xxx\...
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1answer
124 views

How am I supposed to check Defender's capability when it trusts me blindly after I mark a test malware file as “allowed”?

With enormous amounts of fighting with Windows/Microsoft Defender, I finally managed to download the "test virus" file from https://www.ikarussecurity.com/en/private-customers/download-test-...
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1answer
128 views

Why did my DoS attack fail against Windows 10?

I have multiple devices - a Samsung and a Lenovo tab, an Amazon Alexa, an HP laptop running Windows 7, and another running Windows 10. Bored, I tried to DoS my Windows 10 laptop using my Windows 7 ...
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427 views

What is “Your Phone” in Windows 10 Advanced Firewall?

I have an Outbound Rule in my firewall called "Your Phone". Settings: All programs. In Customize Application Package Settings, it has "Apply to app package..." set with a long ...
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Setup guide for Privileged Access Workstation on Windows 10

I am setting up a Privileged Access Workstation (PAW) to access a whitelist of websites. Currently I have been following this guide on Github by unassassinable and applying the latest Windows 10 ...
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3answers
251 views

IT department says our windows 10 server is 100% going to be hacked because of port-forwarding my software

We have a local virtual windows 10 server hosting some custom software. This VM is only hosting this service and nothing else. This software is made of: An ASP.Net core web app, public API, only ...
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2answers
133 views

How do you verify the key given by remmina (libfreerdp2)

This morning I took an update to remmina and started getting a "fingerprint changed" warning. When using xfreerdp (from freerdp-x11) I get they old key. The old key being 20 bytes and the new key ...
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1answer
1k views

Is Windows Sandbox a viable alternative to conventional VM solutions considering its design?

The idea of having a fast, disposable VM at the palm of my hand appeals to me very much. It makes adding an extra layer of security to any thing I want to do so easy - just launch the sandbox ...
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1answer
166 views

Should I worry about a cmd opening and typing “echo off”?

I some days see a cmd.exe opening and typing "echo off", then disappear. My computer is slow, but I'm not sure if a program running with first line "echo off" would be so slow as to let me see it ...
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what is an example of out of bounds read in order to leak sensitive information?

I Am trying to understand a little bit better behind the scenes on bypassing aslr by reading the bytes in the memory of a process, but how can I make an example of an info leak in WIN32? my code does ...
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3answers
325 views

Folder level encryption on a Windows 10 Pro laptop

Most of the stuff on my laptop is benign; and the hassle of full disk encryption is not worth it. On the other hand, one or two folders I would love to encrypt and password protect. What's the best ...
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TPM & Windows BitLocker: how does it work and is it secure?

When starting a BitLocker-encrypted machine with a TPM and Windows 10 installed, you aren't prompted to enter a decryption key. The system relies on Windows lockscreen for authentication instead. My ...
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54 views

FIDO2 Windows vs Linux

I am using a Yubikey 5C as a MFA & smartcard for various application. On my Windows 10 desktop I have set up a FIDO2 PIN - so if I would like to use it within Firefox for example, I have to enter ...
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1answer
101 views

How I can encrypt Windows if I use a SSD and HDD?

I need to encrypt my Windows Disks with full disk encryption. Windows is already installed and all drives have data. My Drives/Disks: 1 SSD - C: drive 1 HDD - D: drive and I have a drive where Linux ...
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1answer
76 views

Why do people warn of putting unknown USBs in your device [duplicate]

People keep saying never put a random USB in your device because it could ruin it with a virus. Hackers are able to program USBs to automatically run a virus when it is put in a device. So I decided ...
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Windows 10 encryption virus: Extension .lktja99122 [duplicate]

My Windows 10 Surface Laptop 1 i7 has been affected by a ransomware that says it has encrypted my hard drive. Here is what the README says: ---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your ...
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Which Windows 10 login protects secure data?

Windows can protect sensitive data using CryptProtectData, which according to the Windows docs, encrypts data for a given program using the user's login password. But Windows 10 has several forms of ...
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1answer
136 views

Finding mechanism of unauthorized data access on OneDrive/Windows 10

An ex-girlfriend has demonstrated an ongoing ability to access files stored only on my Windows 10 x64 PCs and Microsoft OneDrive. How can I find or trace the mechanism by which she is doing this? ...
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596 views

System Process PID 4 Attempt to connect to Public IP using port 445

I was cross checking my environment and i found that System process PID 4 establishing Outbound connection to public IP using Port 445 is that a normal behavior? OS: Windows 10 1909 System PID 4 ...

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