Learn About IP Reputation & Threat Intelligence
Everything you need to understand IP reputation, threat intelligence, and how to protect your infrastructure from malicious actors.
Fundamentals
Core concepts and terminology
What is IP Reputation?
Learn how IP reputation works, why it matters for security, and how organizations use it to protect their infrastructure.
DNSBL and IP Blocklists: Complete Guide
Comprehensive guide to DNS-based Blocklists (DNSBL) and IP blocklists. Learn how they work, types of blocklists, and how to protect your mail servers and applications.
How IP Scoring Works
A deep dive into how Fraudcache calculates IP confidence scores and what different scores mean.
IPv4 vs IPv6 Security Considerations
Understand the security differences between IPv4 and IPv6, and how to protect your infrastructure against threats on both protocols.
Understanding CIDR Notation for IP Security
Learn CIDR notation basics and how network ranges are used in IP blocklists, firewall rules, and threat intelligence.
IP Geolocation for Security: Location-Based Defense
Discover how IP geolocation enhances security by identifying suspicious geographic access patterns, enabling geo-blocking, and detecting VPN usage.
Threat Intelligence Sharing: Collaborative Security
Discover how sharing threat intelligence between organizations strengthens collective defense and enables faster response to emerging cyber threats.
IP Whitelisting Best Practices for Security
Learn IP whitelisting strategies, when to use allowlists, implementation best practices, and how to maintain secure access control for trusted sources.
Understanding Threats
Common attack types and malicious actors
Understanding Spam Sources
Learn about the different types of spam, where it comes from, and how to protect your infrastructure.
Protecting Against Botnets
Learn what botnets are, how they operate, and how to protect your infrastructure from botnet attacks.
Web Application Attacks
Understand common web application attacks, how they work, and how to protect your websites and APIs.
DDoS Attack Prevention & Mitigation Guide
Comprehensive guide to understanding, preventing, and mitigating Distributed Denial of Service (DDoS) attacks in 2026.
Authentication Attacks: Credential Stuffing, Brute Force & Account Takeover
Complete guide to authentication attacks including credential stuffing, brute force, SSH attacks, and account takeover. Learn detection and protection strategies.
Phishing and Email Fraud Prevention
Understand how phishing attacks work and learn strategies to protect your organization from email fraud and social engineering.
Malware Distribution Networks Explained
Learn how malware distribution networks operate, how to detect them, and strategies to protect your infrastructure.
Cryptomining Attacks & Cryptojacking Defense
Learn about cryptomining attacks, how attackers hijack computing resources, and strategies to detect and prevent cryptojacking.
API Abuse and Web Scraping Protection
Learn about API abuse, data scraping, and rate limiting strategies to protect your web services from automated exploitation.
Bot Detection: Identifying Automated Threats
Learn how to detect and block malicious bots while allowing legitimate automated traffic. Comprehensive guide to bot detection techniques and protection.
Protection & Best Practices
Strategies to defend your systems
Email Server Security Best Practices
Comprehensive guide to securing your email server using SPF, DKIM, DMARC, and IP reputation filtering.
Firewall IP Filtering Best Practices
Learn how to effectively use IP blocklists with your firewall for network-level protection against malicious traffic.
Rate Limiting Best Practices for Security
Implement effective rate limiting to protect against DDoS attacks, credential stuffing, and API abuse.
Zero Trust Security Model Explained
Understand the Zero Trust security model and how IP reputation fits into a comprehensive zero trust architecture.
Using Threat Intelligence Feeds Effectively
Guide to selecting, integrating, and maximizing value from threat intelligence feeds for improved security posture.
Integration Guides
Step-by-step technical tutorials
Integrating IP Blocklists with Nginx
Step-by-step guide to blocking malicious IPs in Nginx using geo modules, maps, and automated blocklist updates.
Postfix Spam Filtering with DNSBL
Configure Postfix mail server to block spam using DNS-based blocklists and IP reputation filtering.
Fail2ban IP Blocking Configuration Guide
Learn how to configure Fail2ban for automated IP blocking and integrate external blocklists for enhanced protection.
Cloudflare IP Access Rules Integration
Configure Cloudflare firewall rules and IP Access Rules using threat intelligence for enhanced website protection.
Apache IP Blocking Integration Guide
Complete guide to integrating Fraudcache IP blocklists with Apache HTTP Server for web application protection.
HAProxy IP Blocking Integration Guide
Complete guide to integrating Fraudcache IP blocklists with HAProxy for high-performance traffic filtering.
AWS WAF Integration Guide
Complete guide to integrating Fraudcache IP blocklists with AWS Web Application Firewall for cloud-native protection.
Azure Firewall Integration Guide
Complete guide to integrating Fraudcache IP blocklists with Azure Firewall for cloud-native protection.
pfSense IP Blocking Integration Guide
Complete guide to integrating Fraudcache IP blocklists with pfSense firewall using URL aliases.
OPNsense IP Blocking
Configure OPNsense firewall for IP-based threat blocking.
iptables and nftables IP Blocking
Linux firewall configuration for IP-based filtering.
Docker and Kubernetes Security
Securing containerized applications and orchestration platforms.
Traefik IP Filtering
Configure Traefik reverse proxy for IP-based access control.
Caddy IP Blocking
Configure Caddy web server for IP-based filtering.
ModSecurity WAF Integration
Integrate IP blocklists with ModSecurity web application firewall.
Suricata and Snort IDS Integration
Integrate threat intelligence with intrusion detection systems.
WAF Integration with Threat Intelligence
Learn how to enhance your Web Application Firewall with threat intelligence feeds for proactive protection against known malicious IPs and attack sources.
Compliance & Legal
Regulations and best practices
GDPR Compliance for IP Address Handling
Understand GDPR implications for IP address collection, storage, and use in security applications.
Understanding and Handling False Positives
Learn about false positives in IP blocklists, why they happen, and how to remediate incorrectly blocked IPs.
Security Compliance Frameworks: Meeting Requirements
Guide to security compliance frameworks including SOC 2, ISO 27001, PCI DSS, and NIST. Learn how threat intelligence supports compliance requirements.
Threat Deep Dives
In-depth analysis of specific attack types
SQL Injection Attacks Explained
Learn how SQL injection attacks work, common techniques, and how to protect your applications.
Cross-Site Scripting (XSS) Attacks
Understanding XSS vulnerabilities, attack types, and protection strategies.
CSRF Attack Prevention Guide
Learn about Cross-Site Request Forgery attacks and how to protect your applications.
DNS Spoofing and Cache Poisoning
Understand how DNS attacks work and how to protect your network.
Man-in-the-Middle Attack Prevention
Learn how MITM attacks intercept communications and how to protect against them.
Ransomware Prevention and Response
Comprehensive guide to protecting against and responding to ransomware attacks.
Session Hijacking Prevention
Protect user sessions from theft and unauthorized access.
Port Scanning Detection and Defense
Detect and defend against network reconnaissance through port scanning.
Magecart Skimming Attacks
Protect e-commerce sites from payment card skimming attacks.
Supply Chain Attack Protection
Defend against attacks targeting software and service dependencies.
Insider Threat Detection and Prevention
Identify and mitigate security risks from within your organization.
Industry Security
Sector-specific security guidance
WordPress Security: Complete Protection Guide
Comprehensive WordPress security guide covering threats, hardening, plugin vulnerabilities, brute force protection, and Fraudcache integration.
E-commerce Security: Protecting Online Stores from Fraud and Attacks
Comprehensive guide to e-commerce security covering payment fraud, bot attacks, data breaches, and PCI DSS compliance for online retailers.
SaaS Security Best Practices
Security considerations for building and operating SaaS applications.
Gaming Server Security Guide
Protect game servers from DDoS attacks, cheaters, and abuse.
Financial Services Security
Security requirements and best practices for financial institutions.
Healthcare Security and HIPAA
Protecting patient data and meeting healthcare security requirements.
Education Sector Security
Protecting schools, universities, and educational technology.
API Security Best Practices
Protect your APIs from abuse, attacks, and data leaks.
IoT Device Security
Securing Internet of Things devices and networks.
MSP Security Guide
Security best practices for Managed Service Providers.
Cloud Infrastructure Security with Threat Intelligence
Learn how to secure cloud infrastructure using threat intelligence. Best practices for AWS, Azure, and GCP security with IP reputation integration.
Protocols & Standards
Technical protocols and security frameworks
TCP/IP Fundamentals for Security
Understanding TCP/IP networking from a security perspective.
HTTP Security Headers
Essential HTTP headers for web application security.
TLS/SSL Security Guide
Understanding and implementing secure TLS configurations.
DNS over HTTPS (DoH)
Understanding encrypted DNS and its security implications.
DNSSEC Explained
Understanding DNS Security Extensions and implementation.
BGP Security and Route Hijacking
Understanding Border Gateway Protocol security risks.
STIX and TAXII Threat Sharing
Standards for sharing threat intelligence.
MITRE ATT&CK Framework
Using MITRE ATT&CK for threat modeling and defense.
CVE and Vulnerability Management
Understanding CVE identifiers and vulnerability management.
SOC 2 Compliance and Security
Understanding SOC 2 requirements for security programs.
Security Operations
SOC practices and security monitoring
Security Log Analysis & Monitoring: Complete Guide
Comprehensive guide to security log analysis and monitoring, including log types, indicators of compromise, SIEM integration, and best practices.
SIEM Integration Guide
Integrating threat intelligence with SIEM platforms.
Honeypots for Threat Detection
Deploying decoy systems to detect and study attackers.
Threat Hunting Fundamentals
Proactive search for hidden threats in your environment.
Incident Response Planning
Preparing for and responding to security incidents.
Security Automation Guide
Automating security operations for efficiency and speed.
Vulnerability Scanning Guide
Identifying security weaknesses through automated scanning.
Penetration Testing Basics
Understanding penetration testing for security assessment.
Backup and Recovery Security
Securing backup systems and recovery processes.
Advanced Topics
Expert-level security concepts
Machine Learning in Threat Detection
How AI and ML enhance security threat detection.
Behavioral Analysis for Security
Detecting threats through behavior pattern analysis.
Threat Modeling Guide
Systematic approach to identifying security threats.
Defense in Depth Strategy
Layered security approach for comprehensive protection.
Security Hardening Guide
Reducing attack surface through system hardening.
Network Segmentation Guide
Dividing networks to contain breaches and improve security.
VPN Security Best Practices
Securing VPN deployments for remote access.
Proxy and VPN Detection
Identifying traffic from proxies, VPNs, and anonymizers.
Tor Exit Node Blocking
Managing access from the Tor anonymity network.
Geographic IP Blocking
Using geolocation to control access by region.
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