InQuest

InQuest is a cybersecurity company that provides network-based threat detection and prevention technology focused on data-in-motion inspection for enterprise environments.

• Deep file and content inspection platform for network security (network security)
• Detection and prevention of malware, exploits, and advanced threats in email and web traffic (email security / web security)
• Support for integration with existing security stacks such as secure email gateways, firewalls, and SIEMs (security integrations)
• Threat hunting, forensic analysis, and enrichment workflows for SOC and incident response teams (security operations)
• Tools and research for file-based threat analysis, including support for diverse file formats and protocols (threat research)

More About InQuest

InQuest focuses on deep content inspection and threat detection for enterprise and institutional networks, with an emphasis on data-in-motion security at email and web ingress and egress points. Its platform is typically deployed in front of or alongside secure email gateways, web proxies, firewalls, or other perimeter controls to analyze traffic at the content layer. This positioning targets environments with structured Security Operations (SecOps) centers, incident response teams, and compliance requirements for monitoring and controlling file and document flows.

The company’s offerings concentrate on extracting, decoding, and inspecting files and objects transported over common protocols such as Simple Mail Transfer Protocol (SMTP), Hypertext Transfer Protocol (HTTP), and related variants. InQuest’s technology focuses on reconstructing sessions, peeling apart nested content, and applying detection logic to embedded objects such as documents, archives, scripts, and binaries. This approach supports detection of malware, phishing payloads, exploit documents, and other file-borne threats that may pass through traditional signature-based or policy-based controls.

From an architecture perspective, InQuest’s platform aligns with network security and email security categories, and can operate inline for prevention or out-of-band for detection and analysis, depending on deployment design. It typically integrates with Security Information and Event Management (SIEM) systems, ticketing tools, and other SOC workflows through alerts, APIs, and data exports. This allows security teams to correlate InQuest findings with endpoint telemetry, firewall logs, or identity events and to trigger automated or manual response actions.

InQuest also provides tools and content for threat researchers and analysts focused on file-based and malware analysis. These capabilities support the extraction of Indicators of Compromise (IOC), examination of document structures, and enrichment of alerts with contextual metadata. The platform’s focus on complex file formats and layered content places it in the same broad solution category as advanced threat detection and content disarm and reconstruction (CDR) tools, while maintaining a focus on deep inspection rather than generic attachment filtering.

For directory and marketplace categorization, InQuest can be grouped under network security, email security, threat detection and response, and SecOps tooling. Its primary use cases include inspection of email attachments and web downloads, protection against file-borne malware and exploits, and support for SOC threat hunting and incident investigations.