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Insights & Research
Security Blog
Expert analysis on DNS security, TLS configuration, email authentication, and security posture monitoring — from the CyberShield team.
wafWAF Detection and Fingerprinting: How CyberShield Identifies Web Application Firewalls
Understanding what web application firewall protects a target is essential context for any security assessment. Learn how CyberShield passively fingerprints 15+ WAF vendors through header analysis, error patterns, and behavioral signatures.
CyberShield Team
7 min read
vulnerability-assessmentWeb Vulnerability Assessment: What Passive Analysis Reveals Without Firing a Single Exploit
Passive web analysis uncovers OWASP-relevant vulnerabilities -- information leaks, form weaknesses, exposed files, and redirect flaws -- without touching a single exploit.
CyberShield Team
9 min read
security-postureSecurity Posture Monitoring: Why Point-in-Time Scans Aren't Enough
A single security scan shows where you stand today. But infrastructure drifts daily. Here's why continuous monitoring catches what periodic assessments miss.
CyberShield Team
8 min read
tlsBeyond the Padlock: What a TLS Audit Actually Reveals
The browser padlock means your connection is encrypted — but encryption alone does not mean secure. Here's what a proper TLS audit examines.
CyberShield Team
8 min read
email-securityEmail Authentication Deep Dive: SPF, DKIM, and DMARC Explained
Email spoofing remains a top attack vector. Learn how SPF, DKIM, and DMARC work together to protect your domain from phishing and business email compromise.
CyberShield Team
9 min read
dnsDNS Security: What Your Domain Configuration Reveals to Attackers
Your DNS records are public. Here's what attackers learn from them and how to lock down your domain configuration.
CyberShield Team
8 min read
http-securityHTTP Security Headers: The Complete Hardening Guide
Most web servers ship with minimal security headers. Learn which headers protect against XSS, clickjacking, MIME sniffing, and other browser-side attacks — and how to configure them correctly.
CyberShield Team
8 min read
port-scanningOpen Ports and Attack Surface: What Exposed Services Reveal
Every open port is a potential entry point. Learn how attackers enumerate services, why unnecessary exposure is dangerous, and how to minimize your external attack surface.
CyberShield Team
8 min read
dnsSubdomain Takeover: How Dangling DNS Records Become Attack Vectors
Forgotten CNAME records pointing to deprovisioned services are one of the most overlooked vulnerabilities. Learn how subdomain takeover works and how to prevent it.
CyberShield Team
8 min read
whoisWHOIS and Domain Intelligence: What Your Registration Data Exposes
Domain registration records reveal more than you think. Learn how attackers use WHOIS data for reconnaissance and how to protect your domain registration details.
CyberShield Team
8 min read