Security Guides
In-depth guides and analysis on security guides from the Safeguard engineering team.
100 articles
SSRF Prevention in Go: Blocking Metadata, Redirects, and DNS Rebinding
A single unvalidated URL passed to net/http can hand an attacker your cloud metadata credentials. Here's how SSRF actually works against Go services — and the DialContext-level defense that stops it.
The npm Supply Chain Security Guide
How the npm supply chain actually gets attacked — install scripts, maintainer takeovers, typosquatting, and dependency confusion — and a phased program to defend it from developer laptop to production.
Vue Security Best Practices: v-html, Dynamic Components, and SSR
Vue escapes mustache templates automatically, but v-html, dynamic component names, and SSR hydration open real XSS holes. Here is how to close them.
Spring Security Configuration Guide: The Modern SecurityFilterChain Approach
A practical Spring Security configuration guide for 2026 using the component-based SecurityFilterChain, method security, CSRF, CORS, and password encoding.
OWASP A04: Insecure Design — A Deep-Dive Guide
Insecure Design is a new OWASP Top 10 (2021) category at #4. A deep dive into design flaws vs implementation bugs, threat modeling, real cases, and prevention.
OWASP A03: Injection Explained — A Deep-Dive Guide
Injection ranks #3 in the OWASP Top 10 (2021) and now includes XSS. A deep dive into SQLi, command injection, real CVEs, and how to detect and fix it in 2026.
NumPy Security Guide (2026)
NumPy is the numerical foundation of the Python data ecosystem — and while many of its CVEs are disputed, the pickle-based numpy.load deserialization risk is real and worth understanding.
Auditing Maven Dependencies with OWASP Dependency-Check
OWASP Dependency-Check is the classic way to scan Java and Maven projects against the NVD. Learn to run it, tame its false positives, and move beyond CPE matching.
Kotlin Security Best Practices: Beyond Null Safety on the JVM and Android
Null safety is a reliability win, not a security boundary. A Kotlin app inherits every JVM supply-chain CVE and the full Android attack surface — here's what the type system doesn't do for you.
JavaScript Security: The Common Pitfalls That Keep Burning Teams
The recurring JavaScript security mistakes that show up in real breaches — unsafe deserialization, injection sinks, prototype pollution, and trusting client input — each with vulnerable and fixed code.
Java Deserialization Vulnerabilities: How Gadget Chains Work and How to Stop Them
Native Java deserialization can turn a single readObject() call into remote code execution. Here's how gadget chains work and how to shut them down.
Preventing Command Injection in Go: Allowlists, Argument Safety, and Sandboxing
os/exec keeps the shell out of your way — but user-controlled binaries, flag injection, and PATH tricks still get Go services popped. Here's the prevention playbook, not just the theory.
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