Threat Intelligence Blog
Research, insights, and updates from the isMalicious team. Page 6 of 8.
Credential Stuffing Attacks: Why Stolen Password Lists Keep Working
Billions of breached username/password pairs are actively weaponized every day. Learn how credential stuffing differs from brute force, why it succeeds at scale, and how to stop it using IP reputation and anomaly detection.
Drone Defense Security: Mitigating Unauthorized UAV Threats
Unauthorized drones pose a threat to critical infrastructure, stadiums, and prisons. This post explores Counter-Unmanned Aircraft Systems (C-UAS), detection methods, and how strict "no-fly" zones are enforced electronically.
Building a Custom SOC Dashboard: Integrating Real-Time Threat Feeds
Enhance your Security Operations Center visibility. A step-by-step guide to aggregating threat data, enriching logs, and building custom security dashboards using modern Threat Intelligence APIs.
Why Your SaaS Needs to Block Disposable Email Addresses Immediately
Disposable and temporary email addresses can enable fraud, spam, and abuse. Learn how disposable-domain detection supports account controls and sender reputation.
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.
Smart City Security: Protecting Critical Infrastructure from Cyber Attack
Connected traffic lights, sensors, and water systems create a vast attack surface in modern cities. We examine the vulnerabilities of smart city infrastructure and the cascading failures a cyberattack could cause.
Domain Reputation Scoring: The First Line of Defense Against Phishing
Not all domains are created equal. Discover how real-time domain reputation scoring helps organizations proactively identify and block phishing infrastructure, fake websites, and parked domains used by cybercriminals.
Biometric Spoofing: Defeating Authentication in an AI World
Are fingerprints and facial recognition truly secure? We explore the techniques attackers use to spoof biometric sensors, from 3D-printed faces to synthetic voice cloning.
Industrial Control Systems (ICS) Malware Trends: The OT/IT Convergence Risk
Operational Technology (OT) environments are under siege. We analyze the latest ICS-specific malware strains targeting PLCs and SCADA systems, and offer defense strategies for critical infrastructure.
Satellite Internet Security: Vulnerabilities in Low Earth Orbit (LEO)
Attack surfaces expand vertically as LEO constellations integrate with enterprise networks. This post details orbital jamming, ground station spoofing, and the lack of encryption standards in commercial satellite systems for security engineers.
Quantum Computing Threats to Encryption: A 2026 Perspective
As quantum supremacy nears, the threat to RSA and ECC encryption becomes existential. This analysis explores Post-Quantum Cryptography (PQC) migration strategies for security teams and the immediate risks of Harvest Now, Decrypt Later (HNDL) attacks.
Penetration Testing vs. Vulnerability Scanning: What's the Difference?
Often confused, these two security practices serve very different purposes. Discover when to use automated scanning and when to invest in a manual penetration test.
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.
Building an Effective Incident Response Plan: A Step-by-Step Guide
When a cyberattack strikes, panic is your enemy. Learn how to create and test an incident response plan to ensure your team knows exactly what to do.
AbuseIPDB Alternative: IP Reputation, Domain, and URL Coverage
AbuseIPDB is strong for IP reputation, but it does not cover domains and URLs. Compare AbuseIPDB and isMalicious across coverage, API features, pricing, enrichment, and monitoring.
Cyber Threats 101: Understanding Online Dangers
A beginner's guide to common cyber threats. Understand malware, viruses, and hackers, and learn how to protect yourself online.
IP Reputation Check: How to Tell If an IP Address Is Malicious
Learn how to check IP reputation safely: what signals matter, how SOC teams triage malicious IPs, and when to use reputation APIs, blocklists, ASN data, and geolocation.
IAM Best Practices: Securing Identity and Access
Identity is the new perimeter. Discover specific best practices for Identity and Access Management (IAM) to prevent unauthorized access and privilege escalation.
Malicious Domains vs. Safe Sites: How to Tell the Difference
Can you tell a malicious domain from a safe one? Learn the key differences and tools to verify website safety instantly.
Phishing Explained: How to Check a Domain for Threats
What is phishing? Learn how to spot fake websites and check domains for threats before you enter your personal information.
Safe Browsing Guide: How to Check URLs for Hidden Threats
Don't click that link yet! Learn how to check URLs for hidden threats and ensure safe browsing on any device.
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.
Healthcare IoT Security: The Critical Risk to Patient Safety
Connected medical devices (IoMT) introduce life-critical vulnerabilities into hospital networks. From MRI machines to insulin pumps, this guide analyzes the unique challenges of securing legacy firmware and unpatched operating systems.
isMalicious vs Shodan: Threat Reputation vs Attack Surface Discovery
Shodan maps internet-connected devices. isMalicious checks if IPs and domains are malicious. Compare these complementary threat intelligence tools across features, use cases, and pricing to choose the right one.
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