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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194
votes
4answers
52k views

How does Windows 10 allow Microsoft to spy on you?

Windows 10 is perhaps the most Internet-connected and cloud-centric operating system released by Microsoft to date. This, of course, has caused many users to be concerned about how the OS respects ...
81
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2answers
20k views

Does Windows 10's telemetry include sending *.doc files if Word crashed?

I'm reading through the extensive description on which data is acquired by Microsoft's telemetry 1 including the following paragraph: User generated files -- files that are indicated as a potential ...
52
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10answers
19k views

Replacing Windows 7 security updates with anti-virus?

Microsoft has announced Windows 7 will no longer be receiving updates after January 14, 2020: Here. I hate windows 10's forced updates and telemetry so I have always stuck with Windows 7, but it may ...
33
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1answer
4k views

What are the privacy and security implications of Windows Telemetry

There have been quite a few news stories relating to the use of "Telemetry" in Windows 10 (and also now Windows 7/8) with suggestions that users would want to disable or remove these updates due to ...
31
votes
8answers
10k views

Is Windows 10 backup safe from ransomware?

Windows 10 stores its backups in a protected folder, e.g. E:\System Volume Information, and only the SYSTEM account has full access to it. Does this make it safe from ransomware that encrypts files? ...
18
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2answers
5k views

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 ...
16
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3answers
8k views

Can Microsoft access all private data if a user installs Windows 10?

According to this Forbes article by Gordon Kelly, a condition of using Microsoft's Windows 10 operating system is to agree to the following: [Microsoft] will access, disclose and preserve personal ...
15
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1answer
3k views

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 ...
14
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5answers
10k views

Can autoplay USB stick spread virus to windows 8 or 10?

Autoplay was a security hole on older versions of Windows, but can I trust newer version like Windows 8 or 10 to insert USB stick without turning autoplay off?
12
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1answer
52k views

How do I access a firewall log (Windows 10 w. Windows Defender) [closed]

I am going through some event logs (in event viewer), and noticed I can't seem to find any firewall logs. Windows Defender provides the firewall. How do I get to the firewall logs that should be ...
12
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2answers
8k views

Windows RDP over internet

I'm trying to figure out the risks of running RDP over the internet, using two windows 10 professional stations, and if a VPN is absolutely necessary to achieve good security. From the information I ...
11
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1answer
3k views

Does Logging out of Windows make my computer much safer than only locking?

I recently saw the following security tip on my company's intranet: When you are done using a computer, always Log Off, Restart, or Shut Down. If you only lock your computer, your account ...
10
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2answers
5k views

How to prevent Firefox and Chrome from opening ports in the firewall?

I have noticed that Firefox and Chrome have opened ports for unsolicited inbound traffic in the Windows firewall. This happened with Windows 7 x64 and Windows 10. (Here, I am talking about the ...
10
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3answers
2k views

With whom does my PC communicate at startup?

I've been reading about Windows 10 and its incessant desire to call home. I've tried putting some firewall rules in place. I am sure they are working but I got to thinking that many events probably ...
10
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1answer
329 views

How does CVE-2020-0601 (ChainOfFools/CurveBall) work to undermine ECC?

What is the recently patched and disclosed Windows 10 OS family Crypt.dll vulnerability CVE-2020-0601, nicknamed ChainOfFools and/or Curveball? I've read up on it and while I understand the basics (...
10
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1answer
3k views

How secure is Windows Hello when used with Intel 3D facial recognition?

Windows 10 mobile devices, Surface Laptops, and several other 3rd parties integrate an Intel Realsense 3D camera. Windows Hello extends this 3D camera to support user authentication. What ...
9
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2answers
441 views

How effective is Windows KDP for exploit mitigation in practice?

Windows Kernel Data Protection is a kernel security feature which appears to use Extended Page Tables (EPT, a hardware virtualization feature) to enforce read-only pages. How effective is this at ...
9
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1answer
2k views

Does Windows Update modify Hosts file?

I have Avira installed with Hosts file protection enabled. I've noticed a pattern where Avira warns me of an attempted modification of the Hosts file (but alas doesn't tell me which process did the ...
9
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4answers
6k views

Can an intruder still possibly succeed with pass-the-hash or pass-the-ticket on Windows 10 / Server 2016 networks where Credential Guard is enabled?

In sum: Does Credential Guard make passing-the-hash and passing-the-ticket attacks effectively unavailable on networks of Windows 10 / Windows Server 2016 machines? If not, how do you still acquire ...
8
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2answers
1k views

What are the new security features in Windows 10?

Title says it all really. I realise I can Google this, but the top links don't cover all the new features I am aware of, so people will benefit from a canonical answer here.
8
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3answers
9k views

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 ...
8
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7answers
2k views

Does Windows 10 leak information about your IP address?

There are various reports of Windows 10 automatically sending out data when the user opens the start menu. Can that information or other information that Windows 10 automatically sends out to the ...
8
votes
2answers
7k views

Why does Windows 10 have so many open ports by default?

Looking at Windows 10's firewall settings, I see dozens of authorized applications, for most of which I can't find a good reason to allow incoming traffic. For example, I don't want Xbox, Twitter, ...
8
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3answers
4k views

Replacing cached domain credentials in SECURITY hive

Windows stores the (NTLM) hashes of local users' passwords in the SAM hive. By booting from a live system (for example), one can not only extract those hashes for offline cracking, but also simply ...
8
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2answers
1k views

Is posting Windows dumpfiles online a privacy or security threat?

I have a Windows 10 machine that keeps crashing. I am thinking of posting the dump files (.dmp) publicly online for help. Can this be a security or privacy concern, and if yes, how can I censor the ...
8
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1answer
293 views

What are the potential consequences of the Windows 10 "Golden Key" attack to end users, in simple terms?

Today, tech media outlets are discussing the discovery of an integrated backdoor hidden within the SecureBoot feature of mobile Windows 10 operating systems. It seems that, from a surface reading of ...
7
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2answers
643 views

Win10: Access other logged on users' memory

How easily can admin users access the data of other users' running processes on Windows 10? Especially webpages loaded by Chrome. Example Context Bob and Alice share a single Windows 10 ...
7
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2answers
896 views

Information collected by Windows 10 at maximum privacy configuration

I am thinking about installing Windows 10 on a machine. However I am concerned about the information that it actually collects. I have searched a bit but haven't been able to find what information ...
7
votes
1answer
455 views

Was granting myself this permission a security risk?

In a PowerShell script in Windows 10 Pro 64, I'm getting access-denied errors on several folders, such as: C:\Windows\System32\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content....
7
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2answers
4k views

Does Windows Subsystem for Linux provide additional security (VM-like isolation) over running native Windows programs?

On a Windows 10 machine, is it safer to run the Linux version of a browser using Windows Subsystem for Linux instead of running the Windows version? I'm asking because I've read the Wikipedia article ...
7
votes
1answer
8k views

How to add AltName from csr file to crt file using "openssl x509 -req"?

I'm a webdeveloper and want to test my websites locally with a self signed SSL certificate. Everything was working great until a few days ago, when chrome started complaining about a missing AltName ...
7
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2answers
5k views

How secure is a Windows 10 PIN not needing enter?

I've searched around about Windows 10 PINs and although have seen a few answers regarding the security of them as a whole, I haven't found any discussing the fact that when I type in my PIN, the ...
7
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1answer
6k views

LastPass installer scary message about sideloading

I've been using LastPass for years, generally through the original Chrome extension. In recent months, certain features of the extension have been totally broken, such as the ability to share ...
7
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2answers
4k views

How to prevent Windows Update from suspending BitLocker encryption?

I was quite shocked today to see that a Windows 10 Pro machine that I recently set up with BitLocker (startup PIN + TPM with full disk encryption) suddenly didn't have BitLocker enabled anymore: And ...
6
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4answers
4k views

Is this powershell script an infection?

While I was sitting in front of the computer not using it,my Windows 10 machine quickly flashed a few terminal windows, and then gave me a Windows Security popup, asking for my password. I have no ...
6
votes
4answers
11k views

How long should Windows 10 pins be?

Pins in other contexts seem to usually be only four or six characters long, but this seems to be vulnerable to brute force attacks. However, I am not very knowledgeable about this, so there may very ...
6
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2answers
12k views

How can Windows 10 not have the password in memory?

I have read that Windows 10 does not hold the password in memory from the creator of mimikatz: Starting with 8.x and 10, by default, there is no password in memory. Exceptions: When DC is/are ...
6
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1answer
6k views

What is Windows Watchdog and what do we know about it?

Today I came across this term "Watchdog", and something about "DPC_WATCHDOG VIOLATION" errors in Windows. I tried googling around but I only found posts on how to fix Watchdog errors, but nothing on ...
6
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2answers
1k views

Is it safe to use a Windows executable with expired SHA256 certificate but valid SHA1 certificate?

Microsoft's Media Creation Tool to create Windows 10 installation media has a SHA1 digital signature and a SHA256 digital signature (shown via file properties). However, the certificate for SHA256 ...
6
votes
2answers
605 views

What information is collected because of signing into Windows 10 with a Microsoft account?

The question is specifically as stated - "because of signing into Windows 10 with a Microsoft account". Not including what is collected even when using a local account. And not including what is ...
5
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1answer
6k views

Can you recognize this virus?

Yesterday i noticed a folder with a strange name, it looked like this from the inside: I was cautions not open any of the files, but i opened the .sql in a text-editor, to realize it's not SQL but ...
5
votes
1answer
452 views

VeraCrypt mounted container safety

If I mount encrypted container, it stays in encrypted state until file is opened. At this moment, file is fetched in memory and decrypted - VeraCrypt - Beginner's Guide. Can malicious program open a ...
5
votes
1answer
3k views

Why does Windows 10 not have the secure attention key as default?

My understanding of the CTRL + ALT + DEL keyboard combination is that it is "hard wired" into the bios and triggers an interrupt which historically caused the PC to reboot but in Windows was used to ...
5
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0answers
319 views

Windows Defender catches Trojan right after clean install

I recently upgraded some desktop PC components (GPU, SSD). I decided to perform a clean install of Windows 10 onto the SSD. I used a USB created using the Installation Media tool provided by Microsoft,...
4
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3answers
6k views

How does Logitech Options software automatically launch from a mouse dongle?

I recently purchased a Logitech MX Master 2S mouse. I had no intention of installing the "options software" that came with the mouse. I simply desired a wireless mouse that wasn't cheap and flimsy. ...
4
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3answers
1k views

Should I be worried about rootkits?

*Note: My question is quite specific to my situation. Although there may be an answer out there, I am unsure how to search it. * I am curious to understand more about optimizing my internet speed for ...
4
votes
2answers
399 views

Chicken-and-egg-problem: What's the intended secure way of installing anti-virus software with online installers?

In various places (notably, the English Microsoft Answers forums1), people are quick to note that a Windows machine should not get connected to the internet without any anti-virus software installed. ...
4
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1answer
1k views

Can someone identify this login screen? It ain't normal Windows 10 screen

This is what comes up on colleague's Windows 10 HP laptop, can anyone identify this as a keylogger or HP bloatware or something else?
4
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2answers
12k views

Adding network drive to trusted intranet sites security hole?

We have a shared network drive that is mapped, and when we open certain files we get a dialog like I found this site which explains that adding the network path to Local Intranet trusted sites for ...
4
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1answer
6k views

Is EFS on Windows useless?

So, after reading through the dialog from one the EFS Windows--after encrypting certain files on my system--I ran into a possible complication. If I'm not mistaken, the encrypted file or folders are ...

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