In our interconnected world of mobile and cloud computing, particularly with the rise of governmental spying, corporate espionage, and theft of data by organized crime syndicates, security is more important than ever. Many claims are being made about the security of open-source cloud technologies: How can administrators, users, and developers separate fact from fiction?
This talk will equip the audience with the principles needed to evaluate security claims. We will talk the nature of risk, of vulnerabilities and exploits; the various factors that reduce the risk of vulnerabilities in software; and about TCB, threat models, and defense-in-depth.
We will then apply these principles to three open-source cloud technologies: containers, KVM, and Xen, to see how they stack up. These will be backed up with numbers: lines of code, security advisories, entry points, and so on.
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LCNA14: Security in the Cloud: Containers, KVM, and Xen - George Dunlap, Citrix Systems UK Ltd
1. Security in the Cloud:
Xen, KVM, Containers
Or, Surviving and the Zombie Apocalypse
2. “Some people make the mistake of thinking of containers as a
better and faster way of running virtual machines. From a security
point of view, containers are much weaker.”
–Dan Walsh (Mr. SELinux)
3. “There's contentions all over the place that containers are not
actually as secure as hypervisors. This is not really true. Parallels
and Virtuozo, we've been running secure containers for at least 10
years.”
–James Bottomley, Linux Maintainer and Parallels CTO
4. “Virtual Machines might be more secure today, but containers are
definitely catching up.”
–Jerome Petazzoni, Senior Software Engineer at Docker
5. “You are absolutely deluded, if not stupid, if you think that a
worldwide collection of software engineers who can't write
operating systems or applications without security holes, can then
turn around and suddenly write virtualization layers without
security holes.”
–Theo de Raadt, OpenBSD project lead
6. "Some people make the mistake of thinking of containers as a better and faster
way of running virtual machines. From a security point of view, containers are
much weaker." -Dan Walsh
"There's contentions all over the place that containers are not actually as secure
as hypervisors. This is not really true. Parallels and Virtuozo, we've been running
secure containers for at least 10 years.” -James Bottomley
"Virtual Machines might be more secure today, but containers are definitely
catching up." -Jerome Petazzoni
"You are absolutely deluded, if not stupid, if you think that a worldwide collection
of software engineers who can't write operating systems or applications without
security holes, can then turn around and suddenly write virtualization layers
without security holes." -Theo de Raadt