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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OpenVPN and running other services on same server

What security implications should I know about/look for when running OpenVPN on the same server as my network cloud controller and apt-cache-ng? I plan on using the same server to run apt-cacher-ng ...
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Virtualization / Cloud-Stack fingerprinting from running VM

How can the host environment (not just the OS) be identified from a running guest VM. To determine what the underlying host and virtualization stacks being used actually are. I.e. whether there's a ...
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Enabling virutalization, addressing the bluepill risk?

Background to this question is the ambivalence I assume with virtualization. Also to start directly with clarity: the term bluepill should here be a placeholder to denote "malware that uses ...
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What are the steps to securing encryption keys/databases on an unsecured DAAS provider?

Most Desktop As A Service providers store their virtual hard drives and the VMs RAM in a way that allows them to access their contents. Choosing a provider who offers a 'no-knowledge of server' ...
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Firewall in virtual machine

I'm putting my server to use as a file server and a firewall. I'm looking at KVM or Xen VM setup where file server and firewall get their own VMs and host is just supplying the hardware (so Xen way, I ...
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Is there any security risk with adding a **root's** public key to the local user's authorized_keys (so root to login as a user non-interactively?)

Background: I want to try unprivileged lxc containers a try on my small web server (hosting 2-4 users). Since the server is shared among friends, we decided to separate our services from the machine ...
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Are Hyper-V Memory Snapshots secure/encrypted?

When dealing with encryption tools (TrueCrypt, Bitlocker and any successors) the passwords are always somewhere in memory. Therefore when there are memory dumps on a hard disk, for example in the ...
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How to manage security for multiple PC and VM?

I have a firewall VM which creates I have used to setup subnet for different purposes. For example: (fake ips, of course) 1.1.2.1/24 DMZ 1.1.3.1/24 Internal 1.1.5.1/24 security/logging I use ...
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Sandboxing IE on metro interface

I hold a tablet with Windows 8.1. When I'm on the desktop interface I do use Sandboxie for normal internet usage to prevent having Windows infected. I wonder if there is a way to do the same with the ...
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How to get a completely isolated virtual time using Xen?

Referring to the following quote https://www.kernel.org/doc/Documentation/virtual/kvm/timekeeping.txt 4.8) Covert channels and leaks In addition to the above problems, time information will ...
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Virtual Machine Introspection for VirtualBox

Is possible use Virtual Machine Introspection (VMI) for monitoring system calls and internal system operations in Oracle VirtualBox machine (if I use Linux as quest system) in this time? I have read ...
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VPN Server Inside VPN client on Router

This is a different context of an already asked question: In a few words: Sub-VPN or VPN SubNetwork... VPNsception? So I am using DD-WRT flashed router which connects as a client to VPN server ...
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Is it possible to lock guest VMs (or processes) to sticks of physical RAM to prevent row hammer attacks?

I was wondering if it is possible through some means to isolate processes (or preferably guest VMs) to physical sticks of RAM. This would be to prevent row hammer like attacks from using physical ...