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Email & Collaboration Security

Defending the Channel Attackers Rely on Most

Email is still the primary vector for ransomware, business email compromise, and credential harvesting — and as work moves into Microsoft 365, Teams, SharePoint, and Google Workspace, the attack surface now reaches far beyond the inbox. STSG’s integrated communications defense stops malicious actors before they can reach and manipulate your team.

24/7

Monitoring & Support

99.9%

System Uptime Goal

Proactive

Prevent Issues Before They Happen

Secure

By Design

//WHY IT MATTERS //

The STSG Security Promise:
Security Without Friction

Communication security must be layered, invisible to real conversations, and backed by real analysts. These three principles run through everything we manage.

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Multi-Layered by Design

A firewall configured and forgotten isn't a strategy — it's a gap waiting to be exploited. Our five-pillar architecture means that even if one layer is challenged, your critical assets stay shielded behind many others.

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Guardrails, Not Barriers

Security shouldn't slow your team down. Our solutions stay invisible to productive employees while remaining robust enough to stop malicious actors in their tracks.

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24/7 Human Oversight

Technology alone has limits. Our SOC analysts monitor your environment around the clock, filtering thousands of alerts to find what matters and hunting proactively for threats hiding in plain sight.

// WHAT'S INCLUDED //

What's Included in Managed Backup Strategies

Immutable architecture, air-gapped isolation, hybrid cloud redundancy, application-aware capture, and nightly verification — combined so a pristine copy of your data always survives.

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The 3-2-1-1-0 Backup Standard

Three copies, two media types, one off-site and one offline immutable copy — verified with zero errors through automated recovery testing on every cycle.

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Immutable Storage & Logical Air-Gapping

WORM object-lock and logical air-gapping create a recovery environment fully isolated from production — untouchable even by a compromised administrator.

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Cloud Disaster Recovery & Hybrid Redundancy

On-site flash storage delivers rapid file and VM recovery, while simultaneous replication to encrypted cloud regions protects against local and regional outages.

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// WHAT'S INCLUDED //

What's Included in Email & Collaboration Security

AI-driven inspection, fraud defense, cross-platform protection, and human-firewall training — combined so your team can collaborate freely without fear of the wrong click.

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01

Advanced Threat Protection & AI Inspection

Natural language processing analyzes the intent and tone of every message, flagging urgent wire-transfer requests and impersonation — while every link and attachment is detonated in a secure sandbox.

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02

Business Email Compromise Defense

VIP protection for executives, vendor relationship mapping, and rigorous DMARC, SPF, and DKIM management prevent domain spoofing and financial fraud.

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03

Collaboration Platform Security

Real-time file scanning in shared drives, link analysis in chat channels, and DLP guardrails extend protection across Teams and SharePoint.

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04

Security Awareness Integration

Automated phishing simulations and continuous micro-learning turn your workforce into a human firewall — without disrupting productivity.

 

 

// How We Work //

A Proven Process for Reliable Security

Every STSG engagement follows the same disciplined, transparent process — so you always know the next step and the reason behind it. It's the same proven approach used across the site.

Discover

We learn your business, your risk profile, and the threats that matter most to you.

Assess

We evaluate your current posture, surface gaps, and map exposure across every layer.

Plan

We design a layered security solution mapped to your needs, compliance, and budget.

Implement

We deploy, tune monitoring, and harden your environment with SOC oversight from day one.

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// More Than Managed IT //

Full-Spectrum Technology Solutions

From cybersecurity and cloud to infrastructure and consulting, STSGinc delivers end-to-end technology solutions that power your business forward.

  • Cybersecurity Built In
  • Cloud, Microsoft & Infrastructure Expertise
  • Strategic Guidance, Not Just IT Support
// Industries We Support //

Built Around Your Business

We provide managed IT services and support for businesses across a wide range of industries.

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We receive your info

You hear back within one business hour — from an engineer, not a call center.

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Discovery call

A 15-minute call to understand your setup, your pain points, and your goals.

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Free assessment

We review your network, security, and backups — and give you a plain-English report.

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Your plan

A fixed-price proposal that fixes what's broken and prevents what's next. No obligation.

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The Inbox Is the Battlefield — We Provide the Armor

Collaborate freely, without the constant fear of the wrong click.
// FAQ //

Email Security Questions? We've Got Answers

The questions we hear most about defending email and collaboration platforms.

Can’t locate the answers you need?

We work with a trusted network

Ask Your Question: contact@stsg.com

Default filters catch known bad links and attachments, but miss modern text-based social engineering and business email compromise. Our ATP analyzes the intent and tone of messages and sandboxes every link and attachment, catching what standard filters let through.

BEC is fraud built on social credibility — an email that looks exactly like your CFO or a trusted vendor asking for a wire transfer or sensitive data. We defend against it with impersonation protection, vendor mapping, and DMARC/SPF/DKIM so your domain can't be spoofed.

Both. Malicious files and links spread through Teams chats and SharePoint libraries just like email, so our protection scans shared files, analyzes chat links in real time, and applies DLP guardrails across the whole environment.

Yes. We run automated phishing simulations and short micro-learning modules that turn your team into a human firewall, creating teachable moments without disrupting their day.