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Web Security

File Upload Vulnerability Prevention: A Practical Guide

File upload functionality is one of the most dangerous features in web applications. This guide covers the attack vectors, bypass techniques, and layered defenses needed to handle file uploads securely.

Jan 8, 20267 min read
Vulnerability Analysis

Kubernetes validating admission webhook bypass (CVE-2021-25735)

CVE-2021-25735 let attackers bypass Kubernetes validating admission webhooks on Node objects via a kube-apiserver flaw. Here's the fix and detection path.

Jan 8, 20267 min read
Container Security

Hardening Oracle Kubernetes Engine (OKE) clusters

A practical, command-by-command guide to OKE security best practices: locking down the API endpoint, network security lists, pod security policies, IAM, and image signing.

Jan 8, 20268 min read
Open Source Security

OpenSSF Alpha-Omega Project: Securing Open Source at Scale

The Alpha-Omega Project, backed by $5M from Google and Microsoft, aims to improve security of the most critical open source projects. Here's what it means for the ecosystem.

Jan 8, 20265 min read
DevSecOps

CI/CD Pipeline Audit Logging: What to Capture and Why

Your CI/CD pipeline is a high-value target. Without proper audit logging, you will not know when it has been compromised until it is too late.

Jan 8, 20266 min read
Vulnerability Analysis

Kubernetes kubelet symlink volume mount escape (CVE-2021-25741)

CVE-2021-25741 lets attackers escape subPath volume mounts in Kubernetes kubelet via a symlink race, exposing host files and enabling privilege escalation.

Jan 8, 20267 min read
DevSecOps

Ephemeral Environments for Security Testing: A Modern Approach

Ephemeral environments — short-lived, on-demand copies of your application stack — are transforming how teams approach security testing. No more fighting over shared staging environments.

Jan 8, 20265 min read
Cloud Security

Designing least-privilege IAM policies in Oracle Cloud In...

How to design least-privilege OCI IAM policies: dynamic groups, compartment scoping, and the audit habits that keep permissions from silently sprawling.

Jan 8, 20267 min read
Supply Chain Attacks

npm Supply Chain Attacks: 2022 Q1 Report

The first quarter of 2022 saw a surge in npm malware — from protestware to dependency confusion to credential-stealing packages. Here's a roundup of the most significant incidents and emerging trends.

Jan 8, 20265 min read
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