ShieldCore
Resources

Practical security material, not marketing filler.

Everything here exists to help you fix something specific.

Latest articles

Recently published

Guides

Hardening guides

Beginner

Domain Security Hardening Guide

DNS, registrar locks, and email authentication in the right order.

Intermediate

Quarterly Attack Surface Review

A repeatable process for validating your external inventory.

Intermediate

API Security Baseline

Authentication, rate limiting, and versioning practices for production APIs.

Beginner

Phishing Response Playbook

Triage, containment, and user communication steps.

Advanced

Secret Rotation Runbook

How to rotate exposed credentials without breaking production.

Beginner

Security Onboarding: First 30 Days

What to inventory, measure, and fix when you inherit an environment.

Checklists

Security checklists

Small Business Security Checklist

Practical baseline controls for teams without dedicated security staff.

24 items

Startup Due Diligence Checklist

What to prepare before your first enterprise security questionnaire.

18 items

Domain & Email Security Checklist

SPF, DKIM, DMARC, DNSSEC, and registrar hardening.

16 items

API Security Checklist

Authentication, authorization, exposure, and lifecycle checks.

22 items

Employee Offboarding Checklist

Access, devices, credentials, and third-party accounts.

14 items

Incident Readiness Checklist

Roles, contacts, evidence handling, and communication templates.

20 items