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Concepts

Agent-Based vs Agentless Scanning: What's the Difference?

Agent-based scanning installs software on each system to watch it from the inside. Agentless scanning inspects from the outside with no installation. One sees deeper; the other deploys faster.

Jul 7, 20266 min read
FAQ

Affordable SCA Tool FAQ: Real Software Composition Analysis for $1

How to get affordable software composition analysis in 2026 — what SCA should cost, why free scanners aren't really free, and how Safeguard's $1 Starter plan delivers real SCA.

Jul 7, 20266 min read
Cloud Security

Why You Need a Kubernetes Admission Controller

RBAC decides who can call the Kubernetes API — it has no concept of what a pod spec contains, which is why privileged containers still slip through into clusters every day.

Jul 7, 20266 min read
Application Security

The Python pickle security model, explained

Python's own docs warn that unpickling can execute arbitrary code — yet pickle is still the default weight format behind millions of ML model downloads.

Jul 7, 20266 min read
DevSecOps

Software Composition Analysis Best Practices for Engineering Teams

CVE-2017-5638 was patched by Apache in March 2017, two months before Equifax was breached through it. Point-in-time SCA scans miss exactly this kind of drift.

Jul 7, 20267 min read
Application Security

Securing Python Virtual Environments

A single sudo pip install can overwrite files an OS package manager owns — PEP 668 exists because that anti-pattern was common enough to break Linux distros.

Jul 7, 20267 min read
DevSecOps

Reducing Docker image build time without sacrificing security

Multi-stage builds and minimal base images can cut CI build times dramatically — and they're the same changes that shrink your CVE attack surface.

Jul 7, 20266 min read
Application Security

Preventing SSRF in Node.js applications

A single unvalidated URL in a fetch or axios call can let an attacker reach 169.254.169.254 and steal cloud credentials — as the 2019 Capital One breach showed.

Jul 7, 20266 min read
Application Security

Preventing SQL injection in Node.js applications

CWE-89 is a 25-year-old bug class, but Node's template literals make it trivially easy to reintroduce in mysql2, pg, and even Sequelize's raw-query escape hatch.

Jul 7, 20267 min read

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