csp
Safeguard articles tagged "csp" — guides, analysis, and best practices for software supply chain and application security.
13 articles
Your Tag Manager Is a Second Deployment Pipeline With No Engineer In It
Engineering has code review, CI and branch protection. Marketing can execute arbitrary JavaScript on every page including checkout, by clicking publish. Nobody designed it that way.
Clickjacking vulnerabilities explained
A clickjacking vulnerability hides real buttons under a decoy iframe to hijack clicks. Here's how the attack works, real incidents, and fixes.
Polymarket Lost ~$3M Without a Single Smart Contract Bug
On 25–26 June 2026 attackers compromised a third-party vendor and injected malicious code into Polymarket's website frontend, manipulating users into approving fraudulent transactions. Roughly $3M in crypto drained. The smart contracts were never touched. Your client-side dependency tree is production.
Security Headers: A Practical Hardening Guide
Which HTTP security headers actually matter, what each one defends against, and copy-ready configuration to harden a site without breaking it.
Nuxt 3 Security Hardening: CSP, SSR Leakage, and Safe Server Routes
Nuxt 3's server runs as one long-lived Node process — a single misplaced ref() can leak one user's data into another user's response.
Clickjacking: A Prevention Guide
Clickjacking tricks a user into clicking something different from what they see by layering an invisible frame over a decoy page. Here is how to block it.
Content Security Policy (CSP) Explained (2026)
A Content Security Policy is your last line of defense against XSS. Here is how CSP works, why nonce-based strict policies beat allowlists, and how to deploy one without breaking your app.
HTTP Security Headers Explained (2026)
HTTP security headers are the cheapest defense-in-depth you can ship. Here is what each one does, the values to set in 2026, and how to verify they are actually present.
Angular Security Best Practices: Trusting the Sanitizer, Not Bypassing It
Angular sanitizes bindings by default — until a developer calls bypassSecurityTrustHtml. Here is how Angular's security model works and where teams break it.
React Security Best Practices: A Practical Checklist for 2026
React escapes JSX text for you, but XSS sinks, secrets in the client bundle, token storage, and a 500-package npm worm are still yours to handle.
Nuxt Security: Hardening Your Nuxt App Against Real Threats
A practical Nuxt security guide covering the nuxt-security module, Content Security Policy with SSR nonces, server-route risks, and dependency hygiene.
XSS Script Example: How Cross-Site Scripting Works and How to Stop It
A clear XSS script example shows how untrusted input becomes executable code in a victim's browser. Here is the anatomy of the three XSS types and the defenses that actually work.
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