Threat Intelligence Blog
Research, insights, and updates from the isMalicious team.
IOC Enrichment APIs: A Security Operations Guide to Faster Triage, Fewer False Positives, and Measurable ROI
An indicator without context is a ticket without an owner. Learn how IOC enrichment APIs work, which fields SOC teams need at each tier, and how to wire them into case management without building a data swamp.
The Rise of API Attacks: Protecting the Modern Attack Surface
APIs are the connective tissue of the modern web, and they are under attack. Explore the unique vulnerabilities of APIs and how to secure them.
How to Automate Malicious IP Blocking with Threat Intelligence APIs
Stop relying on static blocklists. Learn how to integrate real-time threat intelligence APIs into your firewalls and application logic to automatically detect and block malicious IP addresses before they strike.
VirusTotal Alternative for IP and Domain Reputation APIs
Compare VirusTotal and isMalicious for IP, domain, URL, and file-hash reputation workflows. See when VirusTotal is better for malware analysis and when an API-first alternative fits SOC automation.
AlienVault OTX Alternative: API-First Threat Intelligence Without Vendor Lock-In
AlienVault OTX is a useful community threat intelligence platform. Compare OTX and isMalicious for API access, IOC enrichment, integrations, monitoring, and vendor independence.
Best Threat Intelligence API Comparison (2026): Pricing, Limits, and Use Cases
Compare the best threat intelligence APIs in 2026 — isMalicious, VirusTotal, AbuseIPDB, AlienVault OTX, Shodan, and URLhaus. See pricing, free tiers, rate limits, API coverage, and best-fit use cases.
API Security Best Practices: Defending Against the OWASP Top 10
APIs are the backbone of modern applications but are often left vulnerable. Learn how to secure your APIs against common attacks like broken object level authorization and injection.
API Integration for Threat Intelligence: Automate Your Security
Discover how integrating threat intelligence APIs can transform your security infrastructure. Learn best practices for automated threat detection, real-time monitoring, and seamless integration with your existing systems.
Expert Threat Intelligence Analysis
Our blog features in-depth analysis from our threat research team. Each article is backed by real data from our analysis of millions of malicious domains, IPs, and URLs across the global threat landscape. Topics include ransomware campaigns, phishing techniques, malware distribution networks, and emerging threat trends. We publish actionable intelligence that security teams can immediately use to improve their defenses.
Practical Security Guidance
Beyond threat analysis, we share practical guidance for security practitioners. Our tutorials cover API integration, SIEM configuration, threat hunting techniques, and building effective threat intelligence programs. Whether you're a SOC analyst, security engineer, or CISO, you'll find content tailored to your role and experience level.
Stay Ahead of Emerging Threats
The threat landscape evolves constantly. Our blog keeps you informed about the latest attack techniques, newly discovered vulnerabilities, and emerging threat actors. Subscribe to our newsletter for weekly digests of the most important developments in cybersecurity.
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