Technical Ebooks
Free Guides
Practical guides for engineering teams and managers dealing with real production systems — authentication, security, incident response, and modernization.
MFA Done Right
What engineering teams actually need to know
MFA methods compared, phishing-resistant authentication, enrollment and recovery design, legacy system integration, and a practical rollout plan. Written for teams deploying MFA across real, messy environments.
- TOTP, push, FIDO2, passkeys compared
- Phishing-resistant vs. phishable MFA
- Legacy environment integration patterns
- Rollout planning and lockout prevention
Zero Trust in Practice
Moving beyond the perimeter
A practical architecture guide for engineering teams — identity, device trust, network segmentation, and application access patterns. How to migrate from perimeter-based security to Zero Trust without a multi-year flag-plant.
- The five pillars of Zero Trust
- ZTNA vs. VPN compared
- Device trust and conditional access
- Practical migration roadmap
The Incident Management Playbook
Systems that fail gracefully, teams that respond well
On-call design that doesn't burn people out, incident response mechanics, runbooks that stay useful, blameless postmortems that actually drive change, and observability as a debugging discipline — not a dashboard collection.
- Sustainable on-call rotation design
- Incident roles and response mechanics
- Postmortems that produce real change
- Observability for debugging under pressure
Modernizing Legacy Systems Without Breaking Production
Practical patterns for teams that can't afford a rewrite
Why rewrites fail, how to actually understand what you have, strangler fig in practice, zero-downtime database migrations, API modernization, and authentication upgrades for apps that weren't built for them.
- The strangler fig pattern in practice
- Zero-downtime database migrations
- API modernization and versioning
- When incremental isn't enough
Working through one of these challenges?
These guides cover the concepts. If your team is in the middle of an MFA rollout, a Zero Trust migration, or a legacy modernization effort, we work as engineering partners — not advisors who hand off a deck.