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web security articles

25 articles

Learn how to check website security headers, inspect CSP, HSTS, and nosniff settings, and understand what a header check can and cannot verify.

Oct 28, 2026TidyURLs JournalRead article

JavaScript securityopen redirect

Learn to trace untrusted redirect parameters in JavaScript, reproduce the issue locally, and prevent open redirects with exact allowlists.

Oct 26, 2026TidyURLs JournalRead article

HTTP securitysecurity headers

Learn how to check website security headers with curl or browser tools, understand CSP, HSTS, and nosniff, and recognize the limits of header checks.

Oct 26, 2026TidyURLs JournalRead article

Next.jsenvironment variables

Keep Next.js secrets out of browser bundles: use .env files safely, understand NEXT_PUBLIC_ exposure, and configure secrets for deployment.

Oct 26, 2026TidyURLs JournalRead article

TLScertificate authorities

Learn how to interpret the eMudhra certificate incident, distinguish CA trust issues from key compromise, and check certificates safely.

Oct 25, 2026TidyURLs JournalRead article

HTTP headersweb security

Learn how to check website security headers, interpret CSP, HSTS, and X-Content-Type-Options, and understand what a header check cannot prove.

Oct 25, 2026TidyURLs JournalRead article