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Application Security

Security concerns of using the Node.js VM module as a sandbox

Node's vm module and vm2 were never a security boundary. Four critical CVEs and a 2023 deprecation prove why untrusted-code sandboxes need real isolation.

Apr 17, 20261 min read
Application Security

What is Application Security (AppSec)

Application security spans SAST, SCA, secrets and container scanning. See how AppSec differs from DevSecOps, why it's now board-level, and how Safeguard prioritizes fixes.

Apr 16, 20267 min read
Application Security

Static Application Security Testing (SAST)

SAST scans source code for exploitable flaws before deployment. Learn how it works, how it differs from DAST/SCA, and where it falls short.

Apr 16, 20266 min read
Application Security

How Does SAST Work? Stages of SAST Scanning

A stage-by-stage breakdown of how SAST scanning actually works — parsing, taint analysis, false positives — with real CVEs and benchmark data.

Apr 16, 20267 min read
Application Security

Dynamic Application Security Testing (DAST)

DAST tests running apps like an attacker would. Learn how it works, what it catches and misses, and how PCI DSS 4.0 now mandates it.

Apr 16, 20267 min read
Application Security

Enterprise SCA Platform Buyer Guide 2026

A 2026 buyer guide for enterprise SCA platforms covering language coverage, reachability, policy depth, integration surface, and how the consolidator market is shifting.

Apr 15, 20265 min read
Application Security

Interactive Application Security Testing (IAST)

IAST instruments running apps to catch injection flaws and unsafe data flows in real time. Here's how it works, its limits, and where it fits.

Apr 15, 20267 min read
Application Security

Runtime Application Self-Protection (RASP)

RASP blocks attacks from inside a running app. Learn how it works, how it differs from a WAF, its limits, top vendors, and where it fits with SAST/SCA.

Apr 15, 20267 min read
Application Security

SAST vs DAST: Key Differences

SAST reads code before it runs; DAST attacks it while it's live. Here's what each catches, what each misses, and when to run both.

Apr 15, 20266 min read
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