Phishing, spoofing, business email compromise. Filtering, DMARC, click-time protection, and the post-incident playbook for the times something gets through.
Email is the path of least resistance for attackers, so we treat it that way. Most of the breaches that make the news started with a single message someone clicked, not a sophisticated zero-day. Good email security is several controls working together: stop the obvious junk at the gateway, authenticate the mail that claims to be from you, catch the clever impersonation that slips past keyword filters, and have a written plan for the day something still gets through. We run all of it on Microsoft 365 and Google Workspace.
Attachments detonated in an isolated environment before they reach a user, and links rewritten so we evaluate them at click time, not just at delivery. Attackers swap a clean link for a malicious one after the message lands, and click-time checking catches that.
Domain authentication configured properly so attackers can't send mail that looks like it came from you. We start in monitoring mode, fix the legitimate senders that break, then move DMARC to an enforcement policy that rejects the forgeries outright.
Lookalike domains, display-name spoofing, and the executive-fraud patterns that read as normal to a keyword filter. We watch for the "quick favor" from the CEO and the vendor whose bank details suddenly changed the week an invoice is due.
When something gets through, the response is written down, not improvised. Mailbox-rule check, password reset, session revocation, and a finance alert, all inside an hour, so a compromised account can't quietly forward your invoices to a stranger for weeks.
A clean way for users to see what was held and request a release, with the genuinely risky items kept out of reach. Real mail does not sit lost in a black hole, and dangerous mail does not get freed by a hurried click.
A report button in Outlook and Gmail that sends a suspect message straight to analysis. Suspicious mail becomes a signal we can act on across every mailbox, instead of a forward to a coworker asking "is this real?" More on training.
Endpoint protection has improved. Network controls have improved. Email is still where attackers find the easiest path, because email is where the humans are, and humans are reliably busy, trusting, and in a hurry. The defense is not one product you buy and forget. It is filtering, authentication, training, and a written response plan, all working together and all kept current as the attacks change.
We tune the filters against your real false-positive rate so the gateway blocks threats without burying legitimate mail, we monitor the DMARC reports that tell us who is sending email in your name, and we run the business-email-compromise playbook the first time someone almost wires money to the wrong account, so there is no second time. When a vendor's account is the one that got compromised, we treat the inbound invoice with the same suspicion we'd give a stranger.
The unglamorous truth is that email security degrades quietly. A new SaaS tool starts sending mail and breaks SPF. A filtering rule gets too aggressive and someone disables it without telling anyone. An exception added for a one-off campaign never gets removed. We watch for that drift, because the gap that lets the next phish through is usually one a busy team created months earlier without meaning to.
Email security runs on alphabet soup. Here's what the letters on this page actually mean.
SPFSender Policy Framework
A DNS record that lists which mail servers are allowed to send email for your domain. Receiving servers check it to catch messages forged in your name.
DKIMDomainKeys Identified Mail
A cryptographic signature added to the mail you send, so receiving servers can confirm it really came from you and wasn't tampered with on the way.
DMARCDomain-based Message Authentication, Reporting & Conformance
The policy that ties SPF and DKIM together. It tells receiving servers what to do with mail that fails those checks (for example, reject it) and sends you reports on who is sending email as your domain.
BECBusiness Email Compromise
A scam where someone poses as an executive, a vendor, or a coworker to trick a person into wiring money or handing over data. Often no malware at all, just a convincing message.
Email security matters most for businesses that move money or sensitive data by email, which is nearly all of them. We see the sharpest need at firms with a finance team that pays invoices and approves wires, professional-services offices where a single compromised mailbox exposes every client, and any organization where the owner's or CFO's name carries enough authority that an attacker would impersonate it. If you have ever received a message that looked just a little off from someone you trust, you already know the threat. This service runs on Microsoft 365 and Google Workspace, and it pairs naturally with awareness training for the human layer and ITDR for the moment a phishing link turns into a stolen session.
The built-in filtering is a real baseline and we use it, but it ships tuned for the average tenant, not yours. Targeted phishing, lookalike domains, and business email compromise routinely slip past default settings. We add sandboxing, click-time link checking, impersonation rules tuned to your people, and a monitored response plan on top of the platform you already pay for.
DMARC is the policy that tells receiving servers what to do with mail that fails authentication, and it stops attackers from sending email as your domain. Yes, you need it, and increasingly your partners and email providers expect it. We move you to an enforcement policy carefully, fixing legitimate senders first so real mail keeps flowing while forgeries get rejected.
BEC is a scam where someone impersonates an executive or vendor to trick a person into wiring money or sharing data, often with no malware at all. We defend against it with impersonation detection, alerts on banking-detail changes, and a written response playbook that locks a compromised account down inside an hour, before it can reroute your invoices.
That's the fear, and it's why we tune to your actual mail flow instead of cranking everything to maximum. Users get a clear quarantine view to see and request held messages, and we adjust rules against your real false-positive rate. The aim is fewer threats reaching inboxes without important mail vanishing into a void nobody checks.
Don't click, don't reply, and use the report button we install in Outlook and Gmail, which routes the message straight to analysis. If anyone already clicked or entered credentials, tell us immediately so we can reset the password and revoke active sessions. Speed matters more than certainty here. We would rather check a false alarm than miss a real one.
Bring a DMARC report or your tenant name and we'll come back with a written posture assessment, no commitment to switch.
Or call us directly: 904-639-0003
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