Extended Detection and Response: The Core Element of Zero-Trust Security

Extending and enhancing threat detection and response capabilities in the face of a growing attack surface is the primary result of XDR when it comes to security efficacy.
This outcome can contribute not only to comprehensive protection but also to better implementation of zero-trust security.
This approach does not trust any user or any device by default and only gives access to resources that need it.
To better understand what zero-trust and XDR have in common and how they can complement each other, let's take a deeper look.
This allows users to flexibly manage access and eliminate the uncontrolled spread of threats within the network.
According to the zero-trust concept, a potential threat is implicit whenever there is an attempt to gain access to corporate information.
For each session, the user must go through the authentication process and confirm their right to access the specific data needed for the task they are performing.
To effectively implement a zero-trust model, the IT department must be able to manage all work devices and applications.
Comprehensive Protection With XDR. Companies use multiple cybersecurity solutions to protect endpoints, networks and other assets from cyberthreats, and it is usually difficult to manage all these solutions simultaneously and effectively.
XDR can solve this problem as it aggregates and correlates data from all these multiple sources and provides a unified view of potential threats.
By identifying and investigating suspicious activity across different layers of the IT infrastructure, XDR helps organizations detect and respond to advanced and persistent threats more effectively.
XDR's greatest advantage is that it saves time, a crucial element when it comes to cyber resilience.
Using information from endpoint protection platforms, XDR extracts only those elements that need to be analyzed for potential anomalies and threats, simplifying and facilitating the timely analysis of potential malicious activity with unparalleled accuracy and speed.
Thus, security teams can more quickly prioritize threat data by severity.
When used together, zero-trust and XDR provide a powerful defense against cyber threats.
Zero-trust helps prevent unauthorized access to resources and applications or revoke access already granted if conditions have changed, while XDR helps detect and respond to potential threats that manage to bypass those initial access controls.
By using XDR to monitor all activity across the IT infrastructure, organizations can identify suspicious activity that may indicate a potential threat and take proactive steps to mitigate the problem.
If XDR detects an unusual pattern of activity on an endpoint device, it can trigger an alert that prompts zero-trust to require additional authentication and authorization before granting access to any resource or application.
This helps prevent the threat from spreading laterally within the network while XDR continues to monitor the endpoint and investigate the potential threat.
By adopting a zero-trust approach and implementing XDR solutions, companies reduce the number of incidents and improve the effectiveness of cybersecurity teams as they face a variety of challenges, including increasingly complex attacks, global skills shortages and alert fatigue.


This Cyber News was published on securityboulevard.com. Publication date: Wed, 20 Dec 2023 13:43:49 +0000


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