In-depth security guides
Long-form, step-by-step guides for IT managers – with sources, flows and checklists that take you all the way from plan to deployed protection.
The Complete Email Authentication Rollout: SPF, DKIM & DMARC from Zero to p=reject
A 6–10 week, step-by-step enforcement plan for IT managers: inventory every sender, publish correct SPF and DKIM, read DMARC reports, and ramp safely to p=reject without losing a single legitimate email.
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Hardening HTTP Security Headers: A Step-by-Step Implementation Guide
From an F grade to a hardened A: deploy HSTS, nosniff, frame protection and Permissions-Policy immediately, then roll out Content-Security-Policy in three safe stages – with nginx and Apache configs.
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Website Incident Response: A Step-by-Step Playbook for IT Managers
A complete NIST-based incident response plan sized for small IT teams: severity levels, contact cards, tested backups, containment without destroying evidence, GDPR 72-hour notification and blameless post-mortems.
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