Explore Microsoft Cybersecurity Services

Microsoft 365 cybersecurity means protecting your email, identities, files, and devices across the Microsoft 365 environment from attacks such as phishing, ransomware, and account takeover. It combines the security tools built into Microsoft 365 with expert setup, monitoring, and response. The goal is simple: keep your people productive while keeping attackers out of your tenant.

Microsoft 365 includes strong security features, but they do not protect you on their own. Many sit switched off by default, misconfigured, or unmonitored, and attackers count on that. We turn on the right controls, watch your environment every day, and respond to threats quickly, so the protection you already pay for actually does its job.

We manage the full Microsoft 365 security stack so the pieces work together instead of in isolation. That includes Microsoft Defender for Office 365 for email, Microsoft Entra ID for identity, Microsoft Purview for data protection, and Microsoft Intune for devices. As a Microsoft Solutions Partner for Security, we configure and tune each tool to match your actual risk.

Email is the most common way in, so we lock it down with Microsoft Defender for Office 365, which screens links and attachments, blocks spoofing, and catches business email compromise. We pair that with security awareness training and simulated phishing, so your team becomes a line of defense instead of the weak point attackers rely on.

Stolen passwords cause most breaches, so we protect identity first. Using Microsoft Entra ID, we enforce multi-factor authentication, set conditional access rules, and apply Zero Trust principles that verify every sign-in. If a password does leak, these controls keep it from turning into a full account takeover and limit how far an attacker can reach.

Yes. Microsoft keeps the platform running, but your data, meaning emails, files, and Teams content, is your responsibility under its shared responsibility model. Accidental deletion, departing employees, and ransomware can all cause permanent loss. We add independent backup and recovery for Microsoft 365, which fits alongside our Microsoft 365 and Azure managed services.

Secure Score is Microsoft's measure of how well your Microsoft 365 environment is protected, and a low score points to gaps attackers can use. We review your current score, prioritize the changes that reduce real risk, and put them in place without disrupting your team. Then we keep raising it as new threats and features appear.

Our modern Security Operations Center (SOC) watches your Microsoft 365 signals 24/7 using Microsoft Sentinel and Defender. We correlate activity across email, identity, and devices to catch threats early, cut down false alarms, and act before an issue spreads. Cyberattacks do not keep business hours, so neither does our monitoring.

Speed decides how much damage an attack does. TrnDigital provides 24x7 coverage with guaranteed response times at every priority level, and our highest-priority issues get a response within 30 minutes. Quick action inside your tenant, such as disabling a compromised account, limits the spread and protects the rest of your data.

Yes. Microsoft 365 includes compliance tools, and we put them to work for frameworks such as HIPAA, SOC 2, and NIST. Using Microsoft Purview, we classify sensitive data, apply data loss prevention, and keep audit-ready records. For life sciences clients, we add experience with GxP-validated systems and 21 CFR Part 11.

Cost depends on your number of users, the Microsoft 365 licenses you hold, and the level of monitoring and compliance you need. Most providers price per user each month, which keeps spending predictable. We scope a plan to your actual risk after a free security assessment. For a fuller breakdown, see our cybersecurity pricing guide.

Microsoft 365 is what we do best. We hold five Microsoft Solutions Partner designations, including Security and Modern Work, plus SOC 2 Type II certification and deep experience across regulated healthcare, biotech, and financial services. Businesses across Boston and Newton rely on our certified specialists to keep their Microsoft 365 secure and compliant.