Packet-level data provides the underpinning of intelligence needed to understand the impact of business change on all parts of the infrastructure. Credit: NETSCOUT Many businesses have made rapid advancements in their digital transformation strategy and adoption of cloud/hybrid cloud environments. Although every organization is unique and has its own starting point, successful transformation requires network and security team collaboration and compromise.A recent study by Omdia, “Assessing the Role of Packet Intelligence in Securing the Modern Enterprise Network Environment,” breaks down this journey based on a sample of more than 100 participants from both network and security roles, representing enterprises of 5,000+ employees and varied geographical regions.Digital transformation is table stakes, and the only way to truly gain full visibility into these cloud environments is via packet-based data. Study participants identified a variety of benefits to this approach, including the ability to have a deeper view into traffic, allowing for faster investigation and resolution (see Figure 1).But the highest-rated benefits were that packet-level data made it easier to adapt operational processes to new environments (43%). In addition, packet-level data provided the ability to fill visibility gaps by deploying in-network environments/devices when it was not an option to deploy endpoint detection and response (EDR) agents such as IoT devices (35%). NETSCOUTFigure 1: Packet-level data benefits for security use casesIf organizations know the benefits and importance of providing consistent, useful information via packet-level intelligence, what is standing in the way of their digital transformation journey?Most respondents (51%) cited the biggest hurdle as staff limitations or finding the people with the correct skill set—with senior management (79%) pointing to this as the main roadblock. The other main issues, with responses ranging from 28% to 32%, were lack of scalability, poor query and analysis performance, operational costs ofpacket capture and storage, and inability to see encrypted traffic (see Figure 2). NETSCOUTFigure 2: Limitations and constraints of using packet-level dataDigital transformation is here to stay, and the companies with more actionable data will be the ones that can adapt faster and make better, quicker decisions to win. Companies need to address and implement the digital strategies that will help them stay with or ahead of their competition. “Packet-level data can provide the consistent underpinning of intelligence needed to understand the impact on all parts of the infrastructure—on-premises, the edge, and in the cloud—as it evolves to support the changes required by the business. This intelligence helps both those tasked with network performance and reliability and those concerned with security and data integrity to meet their goals.” — Fernando Montenegro, Senior Principal Analyst, Omdia.For more than two decades, NETSCOUT has managed the world’s most complex networks via patented deep packet inspection (DPI) and Adaptive Service Intelligence (ASI) technology. ASI technology converts raw packets into a robust set of layer 2–7 metadata in real-time that can be used for network/application performance analysis and cybersecurity. NETSCOUT’s Omnis Cyber Intelligence (OCI) leverages this technology to deliver an advanced, DPI-based network detection and response (NDR) solution.Why do we consider NETSCOUT Omnis Cyber Intelligence advanced NDR? The table here shows how it compares with legacy NDR.CharacteristicLegacy NDROmnis Cyber Intelligence Advanced DPI-based NDRSource of DataHeavy use of NetFlow or limited use of packetsAll packets, including those that are encrypted and those from hybrid cloud environmentsPacket-Capture PerformanceUses shortcuts, such as capturing only after an alert is triggered, not full line-rate and packet-slicing techniquesContinuous (before, during, and after attack) line-rate and full-packet captureMetadata Extraction, Storage, and AnalyticsLimited extraction of metadata; raw packets require massive amounts of storage; cumbersome analyticsReal-time extraction of layer 2–7 metadata from packets; intelligent indexing; packet compression enables longer-term storage and responsive analyticsDetection and Response CapabilitiesReal-time detection onlyReal-time detection and historical detection via investigation and integration with blocking devices at the network edge (firewalls, DDoS protection)IntegrationLittle integration into existing security stack; siloed dataFull integration into security stack, including sending alerts to SIEM/SOAR, investigating third-party alerts from SIEM/SOAR, and exporting metadata for combination with other data sets and custom analysis NETSCOUT OCI also allows organizations to overcome the barriers to using packet-based data that were mentioned in the Omdia report. For example:Staff shortage:With a consistent data source, security and network teams can collaborate and have quick access to the packet and metadata they need for faster, more efficient investigation, helping organizations optimize staff resources.Scalability: NETSCOUT Omnis CyberStream network instrumentation uses patented and proven technology to continuously capture full packets (not sliced or when thresholds are exceeded) at line rates up to 100 Gbps and can support any network environment, including hybrid cloud, to maintain a lower TCO.Poor performance:NETSCOUT OCI can quickly access, analyze, and retrieve robust metadata and packets from Omnis CyberStream instrumentation. Operational costs:NETSCOUT Omnis CyberStream network instrumentation uses patented indexing and compression technology to continuously capture and store full packets and associated smart metadata on local instrumentation.Encryption:NETSCOUT’s decryption appliances can be used to decrypt encrypted packets for analysis by OCI.Support for all environments:Omnis CyberStream probes can be deployed in any network environment, including public cloud environments such as AWS, Azure, or Google Cloud. Full integration and data export:Full integration into existing security ecosystems—for example, via security information and event management (SIEM); security orchestration, automation, and response (SOAR); and blocking devices such as firewalls—provides the ability to export metadata and packets for combination with other data sets (ie., EDR, SIEM logs, or threat intelligence) for custom analysis.NETSCOUT OCI is designed to ensure a consistent security operation center (SOC) analyst experience and create an analytics process that leads to faster threat detection, faster mitigations, and an improved security posture going forward, with quick access for analyzing saved packets and metadata for responsive analytics and long-term investigation.See how NETSCOUT Omnis Cyber Intelligence, network, and security solutions can make a difference in your organization. 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