SecurityXXE in Modern Web Applications: Where XML Still Hides in APIs, Uploads, SOAP, and SAML
XXE still matters wherever applications parse XML. Review SOAP, SAML, SVG, office files, feeds, DTDs, XInclude, schemas, and parser egress.
Security Insights Blog
Expert articles on web security, vulnerabilities, and best practices
Security
SecurityWhy Vulnerability Scanners Miss Business Logic Flaws, and How to Test What Automation Cannot Understand
Understand why business logic flaws require application context, then test workflow order, pricing, roles, race conditions, quotas, recovery paths, and state transitions.
SecurityYour API Has More Endpoints Than You Think: Finding Forgotten Swagger, OpenAPI, and Legacy Routes
Find shadow and zombie APIs by checking documentation artifacts, frontend code, subdomains, certificate history, gateways, and old versions.
SecurityGraphQL Security Checklist: Introspection, Query Depth, Batching, Authorization, and DoS
Secure GraphQL APIs by controlling introspection, query depth, cost, batching, resolver authorization, error detail, uploads, and resource consumption.
SecurityWhy Forwarded Email Breaks SPF and DMARC: Alignment, DKIM, Mailing Lists, and ARC
Understand why SPF often fails after forwarding, how DKIM can preserve DMARC alignment, what mailing lists change, and where SRS and ARC fit.
Best PracticesSecurity Checks Before Buying or Reusing a Domain: DNS, Subdomains, Certificates, and Reputation
Before buying or reusing a domain, inspect registration, DNS, subdomains, dangling services, certificates, CAA, email authentication, and reputation.
Platform SecuritySecurity Testing for Multi-Tenant SaaS: What Automated Scanners Can Check and What Still Needs Manual Testing
Separate public-surface scanning from tenant isolation testing. Learn how to test cross-tenant authorization, roles, caches, files, jobs, and integrations.
TutorialsGoogle Safe Browsing Warning on Your Site: What to Check Before Requesting Review
Respond to a Google Safe Browsing warning by confirming the issue, finding the root cause, cleaning the site, validating externally, and only then requesting review.
Best PracticesStaging and Preview Environment Security: Why Test Sites Become Production Backdoors
Find and secure staging, preview, demo, and forgotten subdomains before they become a weaker route into production systems or data.
Platform SecurityWeb Cache Security Behind CDNs: Poisoning, Deception, and Cache-Key Mistakes
Understand how CDN and origin disagreements lead to cache poisoning, web cache deception, tenant leakage, and unsafe cache-key decisions.