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Application Security

Reachability Analysis for Ruby and RubyGems in 2026

Ruby reachability under metaprogramming, Rails autoloading, and Bundler groups. What bundler-audit and modern tools handle, and where they punt to over-approximation.

Mar 19, 20265 min read
Application Security

What is API Security

API security explained: what it is, why APIs are the top breach vector, the OWASP API Top 10, real breaches, and how to test and monitor endpoints.

Mar 11, 20267 min read
Application Security

API Security Testing Checklist & Best Practices

A concrete API security testing checklist covering OWASP API Top 10 risks, BOLA, SSRF, testing cadence, SAST/DAST, and how Safeguard closes the gaps.

Mar 11, 20267 min read
Application Security

How to Secure REST APIs

REST APIs keep failing the same way: BOLA, weak auth, shadow endpoints. Real breaches (T-Mobile, Optus, Peloton) and concrete fixes for each.

Mar 10, 20267 min read
Application Security

What is GraphQL Security

GraphQL's flexibility creates unique risks—excessive data exposure, DoS via nested queries, and broken field-level authorization. Here's how to defend it.

Mar 10, 20267 min read
Application Security

OWASP API Security Top 10 Explained

The 2023 OWASP API Security Top 10 explained with real breaches — T-Mobile, Optus, Peloton — plus what changed since 2019 and how to prioritize fixes.

Mar 10, 20267 min read
Application Security

API Security Misconfiguration

API misconfigurations exposed 37M T-Mobile and 9.8M Optus accounts without a single exploit. Here's why it keeps happening and how to stop it.

Mar 10, 20266 min read
Application Security

Unsafe Consumption of APIs

OWASP's API10:2023 exposes a blind spot: teams sanitize user input but blindly trust API responses from partners, vendors, and internal services.

Mar 9, 20267 min read
Application Security

What is Broken Object Level Authorization (BOLA)

BOLA lets attackers swap an object ID in an API request to pull someone else's data. Here's how it works, real breaches, and how to stop it.

Mar 9, 20267 min read
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