Southwest Networks - Managed IT Services & Cybersecurity
Email security illustration — protecting business inboxes from phishing, ransomware, and business email compromise across the Coachella Valley and Inland Empire
Email Security

Email Security That Stops Phishing, Ransomware, and BEC

Southwest Networks, headquartered in Palm Desert, provides managed email security to businesses across the Coachella Valley and Inland Empire — defending against phishing, ransomware, and business email compromise since 1996.

5-Star Rated on Google
CRN MSP 500 Award Winner
Avg. 15-Min Response Time
Local Desert Team
CISSP Certified
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The Problems Email Security Solves

An attacker spent two weeks inside our CFO's mailbox before anyone noticed. They almost rerouted a wire.

A staff member clicked a fake DocuSign link and ransomware encrypted our shared drives within an hour.

We get so much phishing now that nobody's sure what's real. People are afraid to open invoices.

You deserve email security that actually catches what gets through

Matt Disher, CEO of Southwest Networks and a CISSP-certified security professional with 30 years in the industry, leads a team that's stopped countless email-based attacks against Coachella Valley and Inland Empire businesses. We layer email filtering, anti-phishing technology, mailbox monitoring, and user training as part of a broader cybersecurity strategy — and because most business email lives in Microsoft 365, we tune our email defenses to match your cloud environment and your compliance requirements.
Matt Disher, CEO of Southwest Networks
Matt Disher
CEO, Southwest Networks
The Credential That Sets Us Apart

CISSP-Certified

Email security is one of the most technically complex domains in cybersecurity — covering SPF, DKIM, DMARC, content inspection, behavioral analysis, and user training. Our CISSP-certified leadership means your defenses are designed by someone who's mastered every layer.

Why Inland Empire Businesses Choose Southwest Networks

CISSP-Certified. 30 Years Local. Built for Your World.

We are not a general IT provider that added your industry to a brochure. We have been serving businesses in Riverside and San Bernardino Counties since 1996 — with certifications most IT providers don't have and a specialization in the compliance, security, and uptime demands of professional firms.

30 +
Years Serving Inland Empire Businesses
15 m
Average Response Time — Not Hours
3 ×
CRN MSP 500 — Consecutive Years
CISSP — Certified Information Systems Security Professional
CRN Fast Growth 150 — 2025
CRN MSP 500 — 3 Consecutive Years
MSP to Watch — 2025
KESQ News — Featured Cybersecurity Expert
CRN MSP 500 2026 — Top managed service provider in North AmericaCRN MSP 500 2025 award badgeCRN MSP 500 2024 award badgeCRN Fast Growth 150 — 2025 fastest growing solution providersChannel Futures NextGen 101 award badgeChannel Futures NextGen 101 2023 award badgeMSP to Watch 2025 Winner — Southwest NetworksMSP Titans of the Industry 2024 FinalistCISSP — Certified Information Systems Security Professional credentialHCISPP — HealthCare Information Security and Privacy Practitioner credential

Three Steps to IT Confidence

1

We audit your current email posture

We review your filtering, authentication (SPF/DKIM/DMARC), Microsoft 365 or Exchange security settings, mailbox rules, and recent threat history. Most businesses are surprised by what's exposed.

Book Your Free Email Security Review →
2

We deploy layered email defenses

Advanced filtering, anti-phishing analysis, attachment sandboxing, link-time URL inspection, encryption, and mailbox-rule monitoring — configured to your environment and tuned to stop targeted attacks.

3

We train your team and watch for what gets through

Quarterly phishing simulations, in-the-moment training when someone clicks, and 24/7 monitoring for the suspicious mailbox changes that signal a compromise in progress.

What's at Risk — and What's Possible

✓ With Southwest Networks
  • Advanced email filtering that catches phishing and BEC attempts before they reach inboxes
  • Mailbox-rule monitoring that detects compromise within minutes of an attacker's first move
  • Email encryption that keeps client and patient communications HIPAA-compliant
  • Trained employees who recognize phishing and report it instead of clicking it
  • A CISSP-certified partner who explains email threats in plain language
✗ Without Southwest Networks
  • A business email compromise attack that quietly redirects a six-figure wire transfer
  • Ransomware delivered through a phishing email that bypassed your spam filter
  • Compliance violations from sending unencrypted patient or client data
  • Staff so overwhelmed by phishing that they ignore real warning signs
  • Discovering an attacker had mailbox access for weeks before you noticed
Email Security deliverables from Southwest Networks

Everything You Get With Email Security

✉️

Advanced Email Filtering

Multi-layered filtering that catches phishing, malware, spam, and impersonation attempts before they ever reach your team's inbox.

🎣

Anti-Phishing & BEC Defense

Behavioral analysis and impersonation detection designed specifically to catch the targeted attacks designed to look like real vendors, clients, and executives.

🔐

Email Encryption

Encrypted email for HIPAA-compliant patient communications, attorney-client privilege, and financial data transmission — automatic when sensitive content is detected.

📢

Microsoft 365 & Exchange Security

Hardened Microsoft 365 and Exchange security configurations — including conditional access, MFA enforcement, and mailbox audit logging — for the platforms most businesses run on.

👁️

Mailbox-Rule Monitoring

Real-time alerting when mailbox forwarding rules, delegation, or unusual login locations appear — the earliest indicators that an attacker is inside an account.

🎓

Security Awareness Training

Quarterly phishing simulations, just-in-time coaching when someone clicks a test email, and tracked improvement metrics that turn your team into your strongest defense.

How Secure Is Your Business Right Now?

Take our free 25-point IT security self-assessment. Get instant results and a clear picture of where your business stands — no sales call required.

Take the Free IT Assessment

What Clients Say About Our Email Security

"If there are suspicious messages, the group at Southwest Networks is quick to analyze and respond with their recommended course of action."

Michael Marrakesh

"Southwest Networks recently replaced our server and migrated our exchange server to Office 365. It was a big job which they coordinated so smoothly we literally had no down time."

Leslie Stiles

"Zac at Southwest Networks has been just awesome! These guys handle all of our IT needs and having a CPA Firm we are obviously a target for criminals. They get it and have us locked down and secured."

Tim Taylor

Common Questions About Our Services

Southwest Networks office in the Coachella Valley desert

Ready to Protect Your Business?

Schedule a free consultation with our team. No obligation, no pressure — just a clear picture of where you stand.

Or take the free IT security assessment first — see exactly where you stand in minutes.