Virtualization is the creation of a virtual (rather than actual) version of something, such as an operating system, a server, a storage device or network resources.

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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 ...
4
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1answer
208 views

VMware server 4.1 -how can I prevent VMs being exposed to each other through VMCI?

I have realized there are issues such as virtual machines being exposed to other VMs within the same system when they're connected to the VMCI socket interface. How do we prevent this ?
5
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1answer
463 views

Setting up home lab with Snort and Vyatta - looking for resource recommendations or advice

I'm looking to turn a new desktop (Ubuntu 12.10-64bit) I built into a virtual home lab for testing and experimenting with various security things. The first setup I would like to try running is the ...
5
votes
2answers
377 views

Segmenting Virtual Network Traffic

I have a basic to moderate understanding of VLAN's and their pros and cons as they relate to network segmentation but I'm wondering where to start as one moves into virtualized environments. From a ...
6
votes
2answers
204 views

Firewall on a VM

I know I could use a software firewall on the guest to achieve a situation similar to this, but is there a way to emulate a firewall (protecting multiple Guests) between a host and guests on a ...
1
vote
1answer
150 views

Breaking out of the virtualization layer

Problem So I set up a virtual backtrack machine using VMware Workstation - I'm trying to launch an attack against the host OS (Ubuntu Linux) from the virtualized host (backtrack), but I do not ...
3
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1answer
2k views

Full Disk Encryption within a VM, how secure is it?

Just a quick query on basically how to secure a VM for a home computer for a number of uses (such as securing work related data in a good enough fashion whilst in its native environment). I'm not ...
0
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3answers
216 views

Using a VM to access internet when malware blocks internet access?

My computer was recently infected by some malware which had blocked internet access. I had a virtualization software with an OS in it. Surprisingly, I could access the internet from the VM. I know ...
0
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3answers
76 views

Is there a way to make changes to a virtual machine, test it out, and automatically make same changes to normal machine?

Is there a way to install programs and make changes to a virtual machine and if they work ok have them applied to the "actual" machine? For example in this question when fiasco_averted says "...only ...
3
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5answers
1k views

Building a Security Training Simulation environment

My university is keen to build a security training simulation environment/platform and it will be a good learning experience for students. I Googled around to find out how it is built, but I only ...
2
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3answers
275 views

Boot or reboot to clean state on Windows each time?

I use virtual box to securely surf the web, but it's easy to get lazy and use the same image more than once. Currently, I have a golden Win 7 image that I built and loaded my required software. I ...
7
votes
1answer
751 views

How isolated are files on a VirtualBox virtual machine from the host filesystem?

When transferring ownership of a computer from one party to another, it's advisable to perform steps to clean out personal data from the hard drive. Depending on needs, the type of data, and/or level ...
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1answer
71 views

Configuration for a server [closed]

I would like to configure a server and need guidance in assembling a server. I do not wish to spend much but at the same time I do not wish to compromise on performance. The purpose for my server ...
0
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2answers
134 views

Setting up a remote test environment correctly

My setup: - Main Box (connected to network) - VM1 : Linux - VM2 : Windows 7 Both the VMs are running off VM Player and using Bridged: connected directly to the physical network and replicating ...
5
votes
1answer
201 views

How does virtualisation (IaaS) protect from CPU microcode updates and firmware changes?

Is it safe to assume that it's impossible for CPU Microcode updates and firmware updates to be initiated from a guest VM? What software or hardware technologies protect my guest OS from altering or ...
2
votes
1answer
139 views

Why must VMX instructions trap?

What would happen if each of these instructions didn't trap into VMX root when executed in VMX non-root? INVEPT, INVVPID, VMCALL,VMCLEAR, VMLAUNCH, VMPTRLD, VMPTRST, VMREAD, VMRESUME, VMWRITE, ...
2
votes
5answers
782 views

How will microvirtualisation change the security field, if at all?

Will this reduce the number of exploitable vulnerabilities in common operating systems? Will the only path in be to exploit the VM itself? Marketing blurb from Bromium's website below. ... ...
2
votes
1answer
446 views

VMware Workstation 9 Security Best Practice Guides

Could someone please be able point me in the direction of where I could find some best practice security guides for VMware Workstation 9 please? I've searched the VMware site and to say it's badly ...
6
votes
6answers
1k views

Is it safe to use virtual machines when examining malware?

We want to study for the CEH program and have downloaded 12 DVDs that 6 DVDs are software key-loggers, Trojans, etc. that are all detected by antivirus. This prevents us from examining them and ...
3
votes
2answers
405 views

Can a malware jump from a virtual to the physical machine? [duplicate]

Possible Duplicate: How secure are virtual machines really? False sense of security? I found out that malware authors check if the hard drive volume name, or network card MAC matches ...
2
votes
1answer
650 views

VMWare Fusion Encryption and Snapshotting

VMWare Fusion 5 has an encryption feature that I have enabled, with what I would consider a hard-to-brute-force-crack password. How secure is the data in this VM? If I shut down the VM each time ...
4
votes
2answers
681 views

Memory Dumping - Cause for concern in Virtualization?

Recently, I started exploring threats to Virtual machines in general. The first question that popped into my head was whether a host machine can dump its entire memory onto a file, and inspect the ...
4
votes
3answers
282 views

What are the security precautions taken to ensure a virtualized domain can't compromise its host

I recently started learning about xen and became more interested in visualization. I read a few whitepapers, did a search here, but couldn't find an answer. My guess is someone will link me to some ...
2
votes
3answers
203 views

Find changes and modifications made to system by application or virus,

I would like to use either Hyper-V or Vmware to take a Clean Base snapshot and a snapshot after an application or virus has made changes so I can then see what was changed between the two images. ...
6
votes
4answers
439 views

Would running VMs inside of VMs be a more secure way to study viruses, etc?

I was reading this post on SuperUser, and it made me wonder about security. I've read somewhere else that some viruses/malware/whatever CAN break outside of a VM... and then infect the host OS. BUT, ...
2
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1answer
235 views

Windows 8 in a VDI environment and the use of Secure Boot

I have a question, How would secure boot be implemented in a virtulized environment, say XEN hypervisor with multiple guest OS's including Windows 8 guest VM? does the guest VM need access to the ...
3
votes
4answers
2k views

Is dual-booting an OS more or less secure than running a virtual machine?

I run two operating systems on two separate disk partitions on the same physical machine (a modern MacBook Pro). In order to isolate them from each other, I've taken the following steps: Configured ...
1
vote
2answers
393 views

Can a TCP connection with a VM be “escaped from” to reach the host? [duplicate]

Possible Duplicate: How secure are virtual machines really? False sense of security? If a VM (e.g. VirtualBox) on host A opens a TCP connection to a hacker Z, are there any possible ...
9
votes
3answers
911 views

Can a hypervisor rootkit enable hardware-assisted virtualization when it has been disabled by the BIOS?

I was recently reading An Introduction to Hardware-Assisted Virtual Machine (HVM) Rootkits (PDF), and it wasn't entirely clear about the conditions under which the hypervisor rootkit can start ...
4
votes
1answer
1k views

Physical machines not detected from a Backtrack VM

Some time back I asked about using metasploit on a virtual machine here. This question is a kind of 'part 2' of it. My test bed set up consists of 3 physical machines: A, B and C. Each of them have ...
5
votes
4answers
951 views

Obtaining the IP address of a virtual machine to use Metasploit

I am beginning to learn Metasploit and, to play safe, am practicing it out on a virtual machine. The target machine, which is a virtual machine, is under NATing. How do I access it/ connect to it- ...
2
votes
2answers
424 views

I've just purchased a VPS to use for developing and managing my clients hosting packages. What necessary steps do I have to take?

The VPS is running CentOS and I have full access. I only looked around using the cPanel installation and already disabled anonymous FTP access. What other security risks are there with a default VPS ...
0
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1answer
103 views

Changing malware trends in VM

I recently came (Dunno, since when it was happening) to know that malwares can detect if they are running inside a VM like Vmware, and thus can change their behaviour. So my question is how the ...
0
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2answers
1k views

Will virus downloaded to guest OS affect Host OS? [duplicate]

Possible Duplicate: How secure are virtual machines really? False sense of security? If I download a file in Guest Windows XP machine in Vmware Workstation, which is a virus. Can it affect ...
7
votes
4answers
3k views

What do I need to configure, to make sure my software uses /dev/urandom?

When setting up a server, what configuration changes do I need to make sure that all of the software uses /dev/urandom instead of /dev/random? Some servers don't have much entropy in the entropy pool ...
8
votes
4answers
636 views

Source code security

We have about 20 developers working in a heterogeneous environment, mostly using company laptops or desktops. We run Windows 7 on desktops/laptops and a mixture of Linux distros (Ubuntu/CentOS). ...
2
votes
1answer
262 views

VPS Safety in the Cloud

Imagine you are running a web server on a Virtual Private Server (VPS) hosted in a datacenter. Could the people running the datacenter covertly read files from my VPS's hard disk? Could an attacker ...
2
votes
2answers
295 views

How can I protect content distributed on a linux virtual machine?

What assets am I trying to protect? An unofficial pre-alpha software prototype provided as a reproducible example for evaluation during the scientific peer-review process. The software will be ...
0
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2answers
115 views

Protecting LAN from remote controlled VMs

I am making a virtual network setup for my high school cybersecurity team to practice. I am connecting all the VMs together through a VPN and then people who are practicing will VPN in and ssh/remote ...
4
votes
1answer
3k views

VirtualBox Pen Test Lab Setup

So i'm trying to set up a pen test lab in virtual box on my windows 7 host. I have 3 guest OS's installed: 1.) BackTrack5 2.) Centos 5 Server/Snort (My Snortbox) 3.) Win XP (Unpatched) I have 3 ...
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vote
3answers
281 views

Deploying vulnerable web application onlineā€

I am deploying a vulnerable web application for students (about 100) in a university, that they can test online and am collecting all the traffic for research purposes. I am deploying this machine on ...
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1answer
164 views

How Does VMWare Protect Passwords? [closed]

I am interested what features VMWare uses to protect passwords inside the virtual machine.
39
votes
5answers
3k views

Is it safe to install malware in a VM

Is it safe to install malware in virtual machines? I would like to investigate malware, but I don't want to infect my own computer. Can I install the malware in a VMWare VM, maybe even without ...
3
votes
1answer
221 views

How secure is to store encryption keys or SSH Keys on LPAR?

I want to store SSH keys (used to connect to some devices that have sensitive data) and the encryption/decryption keys of a database application. They will be inside a LPAR (logical partition) in our ...
9
votes
2answers
707 views

Protection of Keys/Passwords on Virtual Hardware (XEN, KVM, VMWare, etc.)

Is there any reasonable way to secure data on virtual hardware? What I mean by "virtual hardware" is the various hosted systems that one can rent from various online hosters, that run on top of XEN, ...
3
votes
4answers
2k views

Reboot to clean state daily, on Windows

I already know that this can be done on Linux, One can boot to a flash drive that is write protected. Live modify folders can be symlinked to to a swap partition, and this prevents viruses from being ...
1
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1answer
511 views

Is Intel AESNI supported by Xen in VPS/Cloud hosting environments? [closed]

I'm having trouble determining whether when using a hosting company that uses Xen virtualization and Intel processors with AESNI embedded encryption, I would have access to AESNI (i.e., is it an ...
6
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4answers
692 views

if the hypervisor is hacked are all guests affected as well?

I'm guessing that all guests would be screwed, if the hypervisor is hacked. I found this article, but it seems to be more focused on privilege escalation of guests. I'm more interested to hear about ...
3
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1answer
279 views

Is there a way to use multiple firewalls / antivirus for penetration testing?

I don't really know how to do either, but I was wondering if it was possible to have multiple firewalls / virus scanners installed at once, and use a 3rd party program to specify which one is running ...
6
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2answers
1k views

Is BitLocker on a virtual machine still FIPS 140-2 compliant?

BitLocker can be used as a cryptographic module to fulfill FIPS 140-2 security level 1 compliance. In a common setup, USB thumb drives can be used to unlock drives encrypted by BitLocker on startup. ...