Vantus field guide / 14 entries

Email And Identity

Reading order

Start with the operating context, then move into the tradeoffs and implementation evidence you actually need.

Intro

Start here / 10 entries

Build the operating context before making a technology decision.

Business Email Compromise: How $50K-$250K Walks Out Your DoorBEC scams cost Gulf Coast SMBs more than ransomware. Learn how these attacks work, who gets hit, and what stops them.8 minRead
DNS Basics: What You're Paying For Every YearDNS is the phone book of the internet. Learn what it does, why it matters for your email, and what happens when it's wrong.7 minRead
Email Security Fundamentals: Protect Your Primary Business ChannelSPF, DKIM, and DMARC explained—what they do, what breaks them, and how to set them up without disrupting your email.9 minRecommended entry pointRead
How Email Impersonation Actually WorksStep-by-step breakdown of how attackers fake your email address—and what stops them.7 minRead
How to Secure Your Domain RegistrarYour domain registrar is the gatekeeper to your entire online presence. Here's how to lock it down.7 minRead
Identity Basics: Admin Roles and Least PrivilegeNot everyone in your company needs admin access. Here's why that matters and how to fix it.7 minRead
MFA for Email Admins and Business OwnersYour admin accounts are the most valuable targets. Here's why MFA matters more for them than anyone else.6 minRead
SPF, DKIM, and DMARC in Plain EnglishThe three controls that stop people from faking your email address. Explained without the jargon.7 minRead
What Is MFA and Why It MattersMulti-factor authentication stops most account takeovers. Here's what it is, what types exist, and what to enable first.7 minRead
Why a Branded Email Address MattersUsing free email services for business costs you credibility and exposes you to impersonation. Here's the real impact.6 minRead

Intermediate

Go deeper / 4 entries

Connect the underlying systems, tradeoffs, and ownership boundaries.