Last week, Microsoft has announced the general availability of the Azure Security Center – the company’s integrated solution for monitoring, threat detection and incident response for Azure cloud resources. Initially announced last year as a part of Microsoft’s new cross-company approach to information security, Azure Security Center has been available as a preview version since December 2015. According to Microsoft, the initial release has been used to monitor over 100 thousand cloud subscriptions and has identified over a million and a half of vulnerabilities and security threats.
So, what is it all about anyway? In short, Azure Security Center is a security intelligence service built directly into the Azure cloud platform.
- It provides security monitoring and event logging across Azure Cloud Services and Linux-based virtual machines, as well as various partner solutions;
- It enables centralized management of security policies for various resource groups, depending on business requirements or compliance regulations;
- It provides automated recommendations on addressing most common security problems, such as configuring network security groups, installing missing system updates or automatically deploying antimalware, web application firewall or other security tools in your cloud infrastructure;
- It analyzes and correlates various security events in near real-tome, fuses them with the latest threat intelligence from own and third party security intelligence feeds and generates prioritized security alerts when threats are detected;
- It provides a number of APIs, an interface to Microsoft Power BI and a SIEM connector to access and analyze security events from the Azure cloud using existing tools.
In other words, Microsoft Azure Security Center is a full-featured Real-Time Security Intelligence solution “in the cloud, for the cloud”. Sure, other SIEM and security analytics solutions provide integrations with cloud resources as well, but, being a native component of the Azure cloud infrastructure, Microsoft’s own solution has several obvious benefits, such as better integration with other Azure services, more efficient resource utilization and much lower deployment effort.
In fact, there is nothing to deploy at all – one can activate the Security Center directly in the Azure Portal. Moreover, basic security features and partner integrations are available for free; only advanced threat detection (like threat intelligence, behavior analysis, and anomaly detection) is priced per monitored resource.
With Azure Security Center now available for all Azure subscribers, offering new partner integrations (for example, vulnerability assessment by companies like Qualys) and new threat detection algorithms, there is really no reason why you should not immediately turn it on for your subscription. Even with the basic free functions, it provides a useful layer of security for the cloud infrastructure, but with the full range of behavior-based and anomaly-detection algorithms and a rich set of integration options, Azure Security Center can serve either as a center of your cloud security platform or as a means of extending your existing SIEM-based security operations center to the Azure cloud.
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