Layered endpoint security. Managed by us.
Attackers look for whichever door is open—browser, unpatched system, backup, or inbox. MESP brings every layer of your defense into one coordinated program, backed by our team for the IT work that keeps it all running.

What’s behind the program, and why?
From ground-up custom software to Microsoft platforms you already own, all designed around how your business actually works.
Microsoft-aligned platform
Built on Microsoft Defender for Endpoint and Office 365 (P2). Best-in-class protection today, ready to grow into Microsoft Defender XDR when you’re ready.
Layered defense, one program
Endpoint, email, network, data, identity, and operations. Every layer of your defense coordinated under one managed program. No vendor sprawl.
IT support included
MESP isn’t just security tools. Annual support, user onboarding, and proactive feature updates from our team are built in.
Every attack surface needs its own defense.
Browsers, unpatched systems, and backups each get attacked differently. Real protection means covering every entry point on its own terms, not hoping one tool catches everything.
49%
of organizations suffered successful browser-based attacks in the past year. As endpoint, email, and network defenses hardened, attackers moved to the browser, the layer most teams don’t watch.
Source: Omdia, 2026
31%
of incidents start with an unpatched vulnerability, the single most common way attackers get in. AI has shrunk the window to exploit from months to hours.
Source: Verizon 2026 DBIR
48%
of breaches involve ransomware. Zero-Trust ransomware protection paired with immutable, isolated backups is what stops a single human error from becoming a full shutdown.
Source: Verizon 2026 DBIR

When clients call us
Most MESP conversations start with a specific trigger: a bad experience, a gap that finally caused a problem, or pressure from outside. These are the situations we see most often:
“Our last MSP wasn’t responsive or thorough enough.”
Slow answers, security as an afterthought. We build annual support into the program, not billed by the hour.
“Our previous provider didn’t have the security depth we needed.”
Antivirus and a firewall isn’t a security program. MESP coordinates endpoint, browser, email, and network tools into one program.
“Our cyber insurance is asking for stronger controls.”
MFA, Managed Endpoint protection, and verified backups. MESP gives you the controls insurers demand.
“We don’t have an IT team and need someone to handle everything.”
MESP covers the whole stack—the security tools and the day-to-day IT support your people actually call about.
Four layers. One managed program.
Every tool in the stack has a job. Together they close the gaps a single product leaves open, and our team keeps all of it running.
Network & Access
Controls who and what gets in.
Endpoint & Email Protection
Defends the devices and inboxes attackers aim at first.
Data Resilience
Protects the data itself and gets you back fast.
Operations & Productivity
Monitored, supported, and kept current by our Solution Center.
Available add-on: CodeTwo email signature management.
How we get you there.
Discovery
We map your users, devices, cloud apps, and current tools.
Assessment
We examine how everything is configured, document the gaps, and rank them by real-world risk.
Recommendations
You get a clear plan: what we deploy, in what order, and why.
Remediation
We deploy and tune the full layered stack across your environment.
Maintain
We monitor, update, and support it year-round. IT help included.
Everything in every MESP program.
One annual contract, priced per protected endpoint, with security and support built in together.
Layered security stack
2 integrated tools covering endpoint, email, network, data, and access from day one.
Annual IT support
Troubleshooting, user onboarding, and proactive adjustments from our team are built in.
Remote support
Fast remote monitoring and remediation when an issue arises.
Simple per-endpoint pricing
One annual contract, priced cleanly per protected endpoint.
SōtirIS just handles it. I don’t have time to manage IT, and with them, I don’t
have to. Their support is responsive, there’s never any pressure, and they
only bring solutions that genuinely add value to my business. That’s exactly what I was looking for.
Vicki Ott
A Plus Settlement Services
Ready to bring every layer of your defense into one program?
Tell us about your environment. We’ll show you what’s covered and what it costs, with no obligation.

