Cyber Security Analyst – Network Security Intelligence

Location: Spain

Work model: Remote, with occasional on-site presence in Madrid.

Mission

Analyze and classify malicious domains blocked by a network-level cybersecurity solution. You’ll identify threat type, intent, and behavior , and help transform this analysis into automated insights used in dashboards, reports and threat intelligence.

You’ll work independently on investigations while collaborating closely with Data & BI teams to scale your findings.

What You’ll Do

• Analyze blocked domains and URLs to identify threats (phishing, malware delivery, scams, adware, C2, fraud, crypto scams).
• Investigate threats using VirusTotal (API/Enterprise) and other TI sources.
• Correlate domains, IPs, URLs, and detections to identify campaigns and patterns.
• Define and maintain threat classification rules with data engineers.
• Validate automated classifications through m...