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Security Breaks DevOps – Here’s How to Fix It

Traditional security strategies have proven to be too slow for DevOps environments. What do you need to look for to stay secure at the speed of DevOps?

· DevOps Zone

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The concepts of communication, collaboration, abstraction, automation and orchestration are cornerstones of the rapidly growing DevOps movement. At the same time reliance on virtualized infrastructure and Infrastructure-as-a-Service has exploded, making manual provisioning and management simply not feasible anymore; it takes too long and locks up too many resources. Modern DevOps methods and tools have emerged, allowing IT organizations to move faster and with higher quality, thus giving them the ability to respond to the business with more agility.

Now security teams have an opportunity to learn from the DevOps experience. Manual policy provisioning and security operations in highly dynamic IaaS environments simply doesn’t work, for the same reason it doesn’t work for DevOps teams – the pace of change is simply too to fast to handle manually.

Applying security policies based on static parameters and making manual rule changes just before production leaves little time for provisioning the policies. This impacts release quality, increases risk of errors and slows down the DevOps cycle. Trying to use DevOps orchestration tools to provision security can leave companies exposed since these tools lack critical controls and don’t integrate with the rest of the security infrastructure.

To solve these challenges, IT and security teams need to adopt platforms and processes that match the speed and agility of their DevOps brethren. Here are the key ingredients you should look for in security solutions that can move at the speed of DevOps:

  • Built-in Automation – Security automation means that any control (e.g. firewall policies, configuration vulnerability scans, intrusion detection, multi-factor authentication) can be deployed and managed without human intervention. Most desirable is full-lifecycle automation, in which policies are set once and tied to some context, after which underlying controls are 100% automated at each stage of the control’s lifecycle, from deployment to de-provisioning. Automated collection of audit and operational data is also critical, especially in environments where infrastructure components are only operational for short periods of time. Even though short-lived, these ephemeral resources are still in scope for auditor inspection, even if not running at audit time. Well-implemented automation enables security organizations to keep up with the scale and rate of change associated with dynamic infrastructure models. Security accuracy and effectiveness are both improved by automation, and potential for human error is removed—especially if API instrumentation enables cooperation of otherwise disparate technologies.
  • Security Orchestration – Platforms that enable security orchestration centrally manage the composition, deployment, and management of individual control components into more complex, service-oriented security systems. By composing many individual controls into a larger system, security orchestration is considered to be a higher order function than simple control automation. In many implementations, orchestration also addresses licensing, metering, chargeback, and other security resource consumption issues that are important in service-oriented cloud computing and software-defined infrastructure environments.
  • Instant Visibility & Continuous Enforcement at the Workload – Public clouds have no natural perimeter and network segmentation, which leaves individual servers exposed. In private clouds, malicious East-West traffic inside the network is undetected by perimeter tools and can become a serious threat. So choose a security platform that extends your investments in network security directly to the workload itself. The solution should be on-demand and easy to deploy. Many of these platforms have an agent-based model, so make sure the agent is ultra lightweight to eliminate drag on the virtual server, is non-intrusive to the workload and is easy to integrate into DevOps continuous deployment model. The agents should be deployable through orchestration tools, with scripts or manually, even on live systems without reboot, to speed up the process even further.
  • Flexible Policy Definition – A modern security platform should allow security policies to be defined by logical application groupings instead of static network parameters, which protects new workloads automatically and overcomes natural limitations of traditional network security tools.
  • Security at Every Stage – The DevOps model has multiple stages, many of which are conducted on various cloud services and on other virtualized architectures. This leaves assets vulnerable to attackers, so baking in security at each stage prevents this issue. Just as importantly, development teams need to know how security will impact the application being developed, so incorporating security early in the process makes a ton of sense.
  • Layered Approach – Having a platform that provides layered security (not just a firewall) in the DevOps model, is key. Integrating multiple functions from different vendors would prove enormously daunting from an orchestration perspective. So make sure layered security functions like file integrity monitoring, security configuration monitoring, strong access control and vulnerability management are baked into a single platform and included on every system throughout the lifecycle.
  • Seamless Integration with Orchestration Tools – Make sure your security platform integrates seamlessly with the orchestration tools you’re already using. Jumping back and forth between tools can slow things down, introduce errors and lower your overall security posture.

By implementing a security solution that incorporates all of these attributes, IT can bring security into the high speed, high quality DevOps model that is now required to provision and manage modern infrastructure.

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Published at DZone with permission of Tatiana Crawford, DZone MVB. See the original article here.

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