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What is Network Detection and Response (NDR)?

17 September 2021

Gaining complete visibility into increasingly complex networks is critical to detecting and preventing threats to your organisation before they cause a breach. With this need for network visibility becoming a crucial issue, Network Detection and Response (NDR) is a great option for teams trying to prevent threat actors from lingering undetected in their networks leading to an eventual breach. 

Sapphire Cyber Security- machine learning network detection and response

Definition of Network Detection and Response  

Used by organisations to detect and prevent malicious activity in an organisation, Network Detection and Response describes a category of security solutions that are used to investigate and mitigate the risk of attackers. It is a progressive security solution providing a centralised machine-based analysis of network traffic and response solutions. 

NDR solutions provide a single solution for visibility across on-prem, remote, and cloud environments.  These non-malware threats include, but are certainly not limited to: 

  • Insider attacks 
  • Credential abuse 
  • Lateral movement 
  • Data exfiltration 
  • & more
Sapphire Cyber Security- finding unknown threats in enterprise networks

How Does Network Detection and Response Work?  

As suggested above, NDR works by integrating a set of detection, investigation, and response solutions to mitigate malicious activity in an organisation’s network.  

Detection  

Gathering data across an organisation’s various environments, NDR uses machine-led analytics to expose threats. For the most effective NDR solution possible, organisations can use multiple machine analytics, for example, scenario-based modelling for known tactics, techniques, and procedures (TTP) and deep inspection of traffic metadata against known indicators of compromise (IoC).  

Investigation  

NDR provides organisations with real-time network insights and analytics; it provides relevant, contextual information, which helps with the efficiencies of a team’s investigations into potential attacks. NDR solutions also provide network-based evidence, which allows the efficient identification of suspicious activity, making threat hunting easier.  

Response  

NDR solutions can also accelerate and automate an organisation’s security workflows utilising SOAR. This helps respond to potential threats become an automated process, allowing teams to focus on other security areas. Helping to reduce dwell time, NDR’s automated response to potential threats can lower manual intervention.  

Sapphire Cyber Security- network traffic analysis for detecting threats to your network

Does my Organisation Need an NDR Solution?  

If an organisation already has Security Information and Event Management (SIEM) and Endpoint Detection and Response (EDR), the thought of including an NDR in the solution package may seem overkill.  

However, Gartner has suggested that utilising all three of the solutions above can help create a Security Operations Centre (SOV) Visibility Triad, which helps to reduce the time threat actors are on an organisation’s network.  

Sapphire Cyber Security- machine learning network detection and response

Sapphire in Partnership with LogRhythm: Network Detection and Response Solution  

The MistNet solution provides network visibility and threat detection using cloud-based analytics. The distributed analytics allows organisations to managed security efforts as well as compliance needs from one centralised platform.  

With machine learning network threat detection and built-in MITRE ATT&CK™ Engine, MistNet helps organisations gain complete visibility of their networks, enabling them to be monitored in real-time.  

For more information about how Sapphire, in partnership with LogRhythm, can help you gain complete visibility for your networks using MistNet’s NDR solution, get in touch with us!

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