What is Threat Intelligence?
Curated, actionable information about current and emerging threats, including indicators of compromise (IoCs), attacker tactics, techniques, and procedures (TTPs), and contextual analysis that informs security decisions.
Threat intelligence feeds are the data that powers detection across every SASE component. The SWG uses URL and domain reputation databases. The IPS engine uses exploit signatures derived from vulnerability research. The malware engine uses file hash databases and behavioral indicators. DNS security uses domain reputation and newly-observed domain feeds. All of these are forms of threat intelligence, ranging from tactical (block this IP address) to strategic (this threat actor targets financial services using these TTPs).
SASE vendors differentiate heavily on threat intelligence. Some maintain large in-house research teams (Cisco Talos, Palo Alto Unit 42, Check Point Research) that discover zero-day vulnerabilities and produce proprietary intelligence. Others rely primarily on third-party feeds and open-source intelligence. The practical difference shows up in detection speed: how quickly does a newly discovered phishing domain or malware variant get blocked across the platform?
When evaluating threat intelligence in SASE, focus on the feedback loop. The best implementations are bidirectional: the platform consumes intelligence to make blocking decisions and contributes telemetry from its customer base back to the intelligence pipeline. Cross-customer telemetry, anonymized, is particularly valuable because an attack seen at one customer can be blocked for all customers within minutes.
A cloud or on-premises proxy that inspects all web-bound traffic for malware, enforces URL filtering policies, and prevents data exfiltration over HTTP/HTTPS.
A security layer that analyzes and filters DNS queries and responses to block connections to malicious domains, prevent DNS-based data exfiltration, and disrupt command-and-control communications.
A platform that aggregates, normalizes, and correlates security event logs from across the enterprise, providing real-time alerting, historical analysis, and compliance reporting.
A security platform that correlates telemetry across endpoints, network, cloud, email, and identity sources to detect multi-stage attacks and provide unified investigation and response.
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