Remote desktop is the ability to connect to a remote computer, see an image of that computer's desktop and interact with it as if it were local.

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48
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9answers
100k views

How secure is TeamViewer for simple remote support?

I'm deploying a web-based ERP system for a customer, such that both the server and the client machines will be inside the customer's intranet. I was advised in another question not to use TeamViewer ...
31
votes
2answers
919 views

Digging into DDoS attacks (includes hostile IP's from multiple honeypots)

I have been tracing a series of DDoS attempts, and am wondering if anyone else has seen anything like them. I've downloaded the following Powershell script which scrapes Terminal Server (RDP) Event ...
24
votes
6answers
7k views

Is it okay for our IT support contractor to remote in without authorization?

We are a healthcare IT company. My machine has PHI on it. Our IT contractor verbally asked if he could remote in to fix my printer so I said sure. I expected some sort of prompt to allow it but he ...
20
votes
1answer
3k views

Is mosh now recommended by the security experts? (2014)

Mosh has been around for a while now. Although it's claimed to be "a replacement for SSH" by its authors, mosh does actually depend on ssh to do the initial authentication, after which an instance of ...
20
votes
1answer
2k views

Is it secure to connect to a remote Windows Server using Remote Desktop only?

I have a Windows Server that I login to from my home. I only use the pre-installed Remote Desktop. Is this a secure way to remote login or should I improve it in some way? If I should improve it, ...
18
votes
3answers
106k views

How to figure out if someone has been using TeamViewer 8 to access my computer when I was not here?

I came to my computer today and have not been here since monday afternoon. I am using windows 7. There were some error messages showing even on the log in screen about memory violations done by ...
14
votes
5answers
1k views

Is a VM only as secure as its host?

Question If one installs a VM with "high security" on a host machine with "low security", will the VM be only as secure as the machine it's installed on, or will the high-security aspects from the VM ...
14
votes
2answers
5k views

Hiding user account names from unauthenticated RDP sessions

This is for a Windows 7 Ultimate system, which is not a member of a domain. When I log into the system locally, I am required to either manually enter my user ID or authenticate with biometrics. The ...
13
votes
3answers
10k views

Why would a remote desktop connection harm my PC?

When I try to connect to a remote desktop, a message appears which says something like "Make sure you trust this PC, connecting to untrusted computer might harm your PC". Why would it harm my PC? I ...
12
votes
3answers
612 views

Given SSH access, what should I do to protect a server and monitor (dangerous) user actions?

Context: Small business, mostly a software house for web applications but also some desktop software. Many external collaborators, so a variety of outside users with access to the servers. Single ...
11
votes
3answers
490 views

Is it insecure to have an SSH server on a workstation?

I know one systems administrator who runs SSH Server on his workstation to push files to it and check things from a phone but I think it is a bad idea for several reasons: An operations workstation ...
10
votes
1answer
1k views

unauthorized logging into my computer

I ve been suspecting someone logging into my computer because a couple of times, during the user log on screen I saw "Signed in remotely from.." The first timeIi saw some of my pictures copied on ...
8
votes
2answers
8k views

Does Microsoft Remote Desktop require a VPN to be secured?

I am connecting from my home Windows 7 machine to a hosted server Windows Server 2008 R2. I am connecting to it using Remote Desktop on a non-default port. I am wondering if I should go to the effort ...
8
votes
3answers
460 views

Does setting a user password on Windows XP help protect against remote exploits compared to no password?

In a typical home user situation with a PC connected to the internet via a router, suppose we are not concerned with protecting the machine from people with physical access. Does setting a password on ...
7
votes
4answers
956 views

How can Antivirus differentiate between a Trojan and a normal remote desktop application software?

RAT (Remote Access Tool, e.g. Sub7) are considered malicious by Antivirus software. How can it distinguish between such patches and a client application for commercial software like NetSupport School?...
7
votes
4answers
3k views

(SoHo) Multi-Factor Authentication for Remote Desktop Gateway

I am looking at implementing some sort of multi-factor authentication for a Remote Desktop Gateway at a small office (less than 20 users). Where would be a good place to start for a quality, ...
7
votes
2answers
206 views

Does using a VPN completely stop MITM (man in the middle) attacks? If not, what other defences should I consider?

Just for added context, I am curious about connecting to a remote desktop using a VPN but if there are any major differences that can be highlighted for other services I would be interested in that ...
7
votes
1answer
2k views

How to deal with tunnel applications such as TeamViewer on the corporate network

Our IT department uses TeamViewer to provide support to users at remote locations. More recently we've noticed that users are using TeamViewer to get support for their lab equipment from vendors. ...
6
votes
2answers
6k views

Is opening port 3389 on a router and forwarding this to a Windows SBS 2003 server secure?

I know of a company who has port 3389 open on their router and forwards this to a Windows SBS 2003 server. The server has the Windows firewall switched on, is patched and has an up to date antivirus ...
6
votes
1answer
155 views

Incident Response - Which logs are of most interest following a social engineered remote desktop attack

Unfortunately, someone in my family fell for a phone scam after data was leaked from TalkTalk. As a result, they allowed remote access to two computers and transferred money from their bank account to ...
5
votes
3answers
2k views

How to use VNC with SSH tunnel - “is this howto secure”?

PC-A: the local machine, from where i want to see the remote machine [Fedora] PC-B: the remote machine, where the vnc server will be [Ubuntu] install a vnc client [from where you want to connect] on ...
5
votes
1answer
4k views

Is indirect access to a computer as bad as direct?

I'm deploying a web-based ERP system for a customer, such that both the server and the client machines will be inside the customer's intranet. I was advised not to allow the server machine to connect ...
5
votes
1answer
224 views

User Account Control and outside processes

I was using TeamViewer (a remote desktop client) to log in to a remote computer running Windows 7. While logged in, the Java updater prompted me for administrator access to run an update check. Out ...
5
votes
2answers
819 views

What is considered an acceptable, secure method of remotely connecting to a Linux system?

Given that VNC and X11 were not developed with security in mind, what do people typically see done to remotely connect to a Linux system where a GUI is required. While SSH access alone might be ...
5
votes
3answers
2k views

Verifying NLA support on Remote Desktop

What is the best way to verify if an MSRDP server has NLA enabled or not? My understand is that if enabled, it will not show a graphical screen when trying to connect, but ask for credentials first. ...
4
votes
4answers
90k views

Is Teredo in my router a back door?

I use the school computer, which I bought from school, administered by the IT-department. I opened a port to my computer when I stumbled upon this: It points to my computer IP. (I have a static IP ...
4
votes
4answers
23k views

How does Team Viewer establish a Remote Desktop Connection?

I am wondering how is it possible for Team Viewer to establish the remote desktop connection over the internet even if the user has not enabled the 3389 port ? I am searching over the internet but ...
4
votes
2answers
629 views

Can malware provide hidden remote access to a user's desktop?

Is there a possibility that malware on a computer could be providing remote access to an external party without the computer user being aware? I.e., some kind of hidden active remote access tool? I.e....
4
votes
4answers
1k views

If a remote user types in a password in a LogMeIn session, can the controlled computer extract the characters?

Assume I have root/administrator access to a given computer which is currently being controlled via LogMeIn from an outside location. I see a password being typed into a browser (as little black dots)...
4
votes
3answers
2k views

Is there a compelling reason to ssh tunnel RDP connections?

We don't run any Microsoft products natively in our office, but there are a few folks who use a linux RDP client to access an application on remote virtual desktops with a service provider. Would it ...
4
votes
3answers
598 views

What implementations are possible for dual control?

An organization requires employees to use 2 person authentication in some scenarios. That is, when accessing, say, a server, secret knowledge from 2 people should be used for authentication. No one ...
4
votes
1answer
4k views

How do I verify exactly which cipher suite is in use for this Remote Desktop session?

You can configure Windows to use only certain cipher suites during things like Remote Desktop sessions. Cipher suites such as RC4 56 bit, RC4 128 bit, Triple DES 168 bit, etc. SSL/TLS is not in play ...
3
votes
1answer
979 views

Why does the linux XRDP module use a 512 bit RSA key?

Why does the linux XRDP module use a 512 bit RSA key? 512 bit RSA keys are broken by now. How can this be safe?
3
votes
4answers
32k views

How to check if computer is controlled remotely

My laptop has windows 7 installed. One Saturday night I couldn't fall asleep and was just lying in bed. Then suddenly at around 2 in the morning I heard the fan of the laptop start up and lights on ...
3
votes
2answers
498 views

Using Remote Desktop to bring a 3rd party application to all my employees

Recently I have been approached by various SaaS (Software as a service) providers offering me different scenarios to deliver their solutions. One in particular has my 50 employees accessing the ...
3
votes
3answers
4k views

How to block user from using GoToMyPC or Teamviewer

Recently, we found our users install GoToMyPC and Teamviewer on their workstations. What is the standard approach to block users' personal use of remote desktop control?
3
votes
1answer
45 views

Possible security measures to put into place before allowing screen sharing

I have someone who is having their non profit small company receive a financial audit. They are prepared for it but the financial auditors have asked to also do part of it remotely and would like to ...
3
votes
1answer
291 views

How to exfiltrate data over remote desktop

I sometimes come across systems that are segregated in a way I know to be flawed. The arrangement usually looks like this: There is a general IT environment, which follows best practice: patching, ...
3
votes
2answers
320 views

Tor and remote desktop viewing

If I am using tor for anonimity, does this prevent staff at a place of employment or an educational institution from remotely viewing my desktop and seeing what I am doing on Tor? If so how can I get ...
3
votes
1answer
625 views

Saving connection parameters in an RDP file

For connecting to a remote Windows Server 2008 I use a standard Windows 7 RDP remote desktop connection. In an RDP dialog there is an option to save connection parameters to an RDP file to use it ...
3
votes
1answer
323 views

unexpected thumbprint when connecting via remote desktop - what now?

I have an Amazon EC2 instance in a VPC. I have not logged into it for some time, so I used the Amazon EC2 CLI with ec2-get-console-output to check what the thumbprint should be when I connect. To my ...
3
votes
1answer
6k views

How To Track Down Who Initiated A Remote File Transfer Via TeamViewer If I Have Log File

Walked into my office an hour into a Remote File Transfer initiated by an unknown user. I disabled it right away and looked through the files they transferred, which include a blank check with my ...
3
votes
1answer
268 views

What are the tradeoffs in cost, effort, and value in moving a database server to a virtualized DMZ environment?

I am quite new to the DMZ concept and working on a project as part of my master thesis where Remote access is required for the Development environment. However, there is a functional requirement for ...
2
votes
3answers
410 views

Remote Connection Tampering

My small high street laptop repair/service/maintenance shop has been up and running for about 3 years. It's doing quite well so I'm looking to expand into other areas of the PC market. One area I ...
2
votes
2answers
462 views

Citrix security flaws

Are there any security weaknesses associated with using Citrix XenApp 6.5, Citrix Storefront and Citrix Receiver as a remote access tool? I.e, I know it uses RC4-MD5 and DES-CBC3-MD5 ciphers, which ...
2
votes
1answer
5k views

Risks of Microsoft Remote Desktop access behind a secure VPN

This is mostly for my own education, but a scenario has came up at work that has me skeptical. I'd like for the security experts to tell me if this policy is overbearing or not. I remote into a VPN ...
2
votes
1answer
189 views

how much of a security threat would this be?

If I set up a Domain Controller server to be accessible from the internet via Remote Desktop Connection (through port forwarding in the router), how much of a threat would that be? and if I have a ...
2
votes
2answers
864 views

Can a virtual machine program view a host machine's connections?

I don't really know anything about computers. I need to run a virtual Windows machine inside an Ubuntu system. My current setup uses a stripped down version of Windows XP on VirtualBox. I intend to ...
2
votes
2answers
237 views

Can someone using (the Join Me) screen sharing software use it to access my PC's files?

When using Join Me, can a file on a desktop be stolen by those viewing? I was using Join Me and another person was communicating with me to set up log in and access to My Vault, when I noticed a ...
2
votes
0answers
85 views

How to access files or getting rights access with NJrat

When I'm using NJrat to control my own computer, I can't delete, open or move some files. Are there some kind of security access I need to stop first? How can I change this to allow full access?