ClearTrail explores the technical and operational difficulties associated with correlating PCAP (Packet CAPture) files with threat intelligence databases. A packet capture trace (PCAP) is a capture taken from a network interface for network analysis and troubleshooting.This is a crucial issue for law enforcement and intelligence agencies faced with increasingly complex information flows.

Massive volumes and data silos

ClearTrail is a company specialising in network traffic analysis and cybersecurity, serving government agencies and law enforcement. This companie emphasises that one of the first obstacles lies in the management of the considerable volume of data generated by network packet captures (PCAP). Without suitable tools, analysts find themselves overwhelmed by raw information that is often compartmentalised. The integration of external threat data exacerbates the complexity, slowing down analysis and response operations.

Lack of expertise and encrypted attack surfaces

Another critical point highlighted is the lack of internal expertise in the cross-analysis of PCAP flows and threat indicators. This lack of expertise can lead to blind spots in detection. In addition, the widespread use of network encryption limits the effectiveness of conventional tools, making the identification of suspicious communications more difficult.

Concrete solutions for security services

To overcome these challenges, ClearTrail recommends relying on platforms capable of automating threat prioritisation and dynamically correlating network data with Threat Intelligence sources. Combined with an increase in analyst skills, this approach offers agencies a strategic lever to gain in responsiveness and precision in the attribution of threats.

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Image credit: ClearTrail