Microsoft 365 Security Consultants For Toronto Small Business

Microsoft 365 Security, Set Up Right And Kept That Way

NIST-aligned email and data security, built with the tools inside Microsoft 365 Business Premium. Most setups are built for convenience, not security. We set yours up for both.

Toronto Microsoft 365 security experts - Kieran
Sound familiar?

Signs Your Microsoft 365 Needs A Security Review

A Client Sent You A Security Questionnaire

They ask how you classify data, enforce encryption and wipe lost devices. A standard subscription doesn’t include the tools needed. Even if you upgrade licences, default settings don’t do the job. You have no documented answer to any of those questions.

A Stolen Password Still Opens The Door

Without Conditional Access, Microsoft 365 does not check whether the sign-in comes from a managed, encrypted device or from somewhere it has never seen. A stolen password is all an attacker needs.

Offboarding Means 15 Separate Logins

When an employee leaves, someone logs into every system one by one to remove access, and nobody can see who still has access to what.

The heart of what we do

Microsoft 365 Security Controls We Configure And Manage

Microsoft 365 Business Premium already holds the tools to protect your email, devices and data. They do nothing until someone configures them. We set up all six, in order, because each control builds on the one before it. Every managed client gets Entra ID, Intune and Conditional Access as standard.

Email

Domain And Email Security

SPF, DKIM and DMARC on your domain, plus Microsoft Defender for Office 365, so nobody can send email as you and phishing stops before your inbox.

What we configure at the domain level:

  • SPF records: Verify emails are sent from authorized servers, preventing email spoofing.
  • DKIM: Ensures emails aren’t tampered with during delivery.
  • DMARC: Controls what happens to suspicious emails, protecting your domain from impersonation.

What we configure in Microsoft Defender:

  • Safe Links with real-time scanning.
  • Safe Attachments.
  • Advanced anti-phishing.
  • Advanced message encryption.
  • Advanced data loss prevention.
  • Advanced auditing.

Why this matters for your domain: Your domain name is the foundation of your entire online presence. It controls your website, your email, and much of your brand identity. If an attacker gains control of your domain, they can redirect your website traffic, intercept business email, impersonate your company, or hold your domain for ransom.

Domain security is one of the highest-priority, lowest-cost actions you can take to protect your business against domain hijacking, accidental loss, and unauthorized transfers.

Why this matters for email: Billions of spam and phishing emails are sent each day, and AI is making things worse, fast.

Microsoft Defender for Office 365 blocks threats and keeps updating its security graph in real time to protect your accounts.

Identity Management

Identity And Access (Entra ID)

Your user identities control access to every business application, file and email. This is where security starts.

What we configure:

  • Multi-factor authentication (MFA) beyond basic SMS codes.
  • Separate, protected administrator accounts with stricter sign-in rules.
  • Single sign-on (SSO) across business applications.
  • Automated provisioning and deprovisioning when employees join or leave.
  • Password policies that satisfy compliance requirements.
  • Location-based access: block sign-ins from countries you do not work in.

Why this matters: Without Entra ID, you’re managing individual computers, not an organization. Users have different passwords for every app. You can’t enforce MFA across the company. When an employee leaves, you’re manually logging into 15 different systems to disable access. You have no central visibility into who can access what.

Entra ID is the control plane for everything else, from Conditional Access to DLP and compliance reporting. It’s your foundation.

Endpoints — PC

Device And Endpoint Security (Intune)

Every Mac, PC and phone that reaches your data is enrolled, encrypted and managed. Before you control where data flows, you control which devices touch it.

What we configure:

  • Device enrollment (Windows, Mac, iOS, Android).
  • Enforce encryption (BitLocker, FileVault) on all devices.
  • Require antivirus and firewall configuration.
  • OS update policies keeping devices current.
  • Application management (deploy business apps, block risky apps).
  • Remote wipe if a device is lost or stolen.
  • Security baseline enforcement for all managed devices.

Why this matters: Peace of mind and modern data security frameworks require “Do you enforce encryption? Can you remotely wipe lost devices?” Intune provides automated enforcement. This means that even if a device is stolen, a remote wipe removes business data within minutes. Encrypted devices also put you in a much stronger position if a laptop goes missing.

Identity Management

Advanced Conditional Access Policies

Control who signs in, from where and on which device. Conditional Access combines Entra ID and Intune to enforce Zero Trust security.

What we implement:

  • Device compliance requirements: require managed, encrypted devices for business data.
  • Location-based controls: require VPN or office network for sensitive data.
  • Application-specific policies: financial data requires a company device plus MFA, email is accessible with MFA only.
  • Risk-based access: block sign-ins from unfamiliar locations without additional verification.
  • Block non-compliant devices: if a device isn’t encrypted or updated, access is blocked.

Why this matters: Even if an employee password is compromised, attackers can’t access data from unauthorized devices or locations. Multi-layered authentication and device compliance requirements dramatically reduce breach risk. If one security control fails, others prevent data loss.

Project Documents

Data Loss Prevention (DLP)

With identity secured, devices managed and access controlled, DLP stops your protected data from going where it shouldn’t.

What we can configure:

Cloud DLP (no Intune required):

  • Block emails containing credit card numbers to external recipients.
  • Prevent file uploads to personal OneDrive or cloud storage.
  • Restrict external sharing in SharePoint and Teams.
  • Require encryption for emails with sensitive data.

Endpoint DLP (requires Intune):

  • Control copy and paste of sensitive data between applications.
  • Block saving confidential files to USB drives.
  • Prevent printing of highly sensitive documents.
  • Monitor screen captures and clipboard operations.

What can be detected:

Credit card numbers, SINs, banking information, client contracts, financial statements, legal documents, intellectual property, source code, product designs, health information (PHI), personal data (PII).

Why this matters: Protecting your organizational and client data shields both from harm and helps you meet vendor security requirements.

Project Documents

Sensitive Data Protection

Sensitivity labels classify your most important information, so the protection travels with the file wherever it goes.

What we can implement:

  • Sensitivity labels (Public, Internal, Confidential, Highly Confidential).
  • Automatic protection based on content (documents with “confidential” automatically labeled).
  • Encryption and rights management for confidential documents.
  • Visual markings (headers, footers, watermarks).
  • Control who can view, edit, print and forward documents.

How it works:

  • An employee creates a proposal with client financial data.
  • Label automatically applied: “Confidential – External”.
  • Document encrypted automatically.
  • Forwarding disabled, expiration set.
  • Client can view but can’t forward to competitors.

Why this matters: Security questionnaires ask “How do you classify sensitive data? Do you encrypt confidential information?” Sensitivity labels provide documented classification.

External collaboration is made secure when you can share protected documents with clients and partners. Recipients access files without needing Microsoft 365. Control remains with your organization. Audit trails exist of external access. These are IT risk management and compliance gold standards.

Where Microsoft 365 Meets Your Compliance Requirements

The controls above are the same controls a compliance framework asks you to evidence. NIST, ISO 27001 and PIPEDA all want to know who has access, how devices are managed, where sensitive data sits and who reviewed it last. Configured properly, Microsoft 365 answers most of those questions for you, and the audit trail already exists.

For clients with IT Compliance requirements or annual security audits, we use Microsoft Purview to track compliance alignment, monitor progress and produce audit-ready reports, so you stay prepared all year. Compliance work is for clients on our fully managed IT service, either as part of onboarding or once you are a client.

Law Society Of Ontario (LSO)

Rule 3.3-1 requires lawyers to protect client confidentiality, including the technology that holds it. No certification to pass. The standard is “reasonable steps”. Conditional Access and Intune cover the MFA, access and encryption items on the LSO Cybersecurity Checklist.

PIPEDA

Canadian privacy law for any business holding personal data. Sensitivity labels classify personal data, DLP prevents inappropriate disclosure and retention policies enforce the data lifecycle.

CIRO (Investment Dealers And Advisors)

Investment dealers report a cyber incident to CIRO within 3 days, then file a full report within 30. Entra ID sign-in and audit logs answer the 3-day questions with facts.

Beyond security

Everything Else We Handle In Microsoft 365

Once your Microsoft 365 is secure, the same in-house team in Toronto and Durham Region looks after the rest of it.

Migration

Move To Microsoft 365

We move your email and files to Microsoft 365 as part of your onboarding, with security built in from the start.

IT Compliance

Teams And SharePoint Cleanup

Organize sprawling Teams and SharePoint sites and fix who can see what.

Training

Copilot And AI Readiness

Copilot can surface any file a person already has access to. Before you turn it on, decide which AI tools are approved and what business data they can reach.

Cloud

Secure Desktops For Remote Staff

A secure company desktop for contractors and remote staff, reached from any computer. Windows 365 Cloud PCs for most teams, Azure Virtual Desktop for legacy Windows apps.

Microsoft 365

Microsoft Secure Score

Secure Score rates the security settings in your tenant and lists what to fix. We work through the gaps and tell you which ones matter for your business.

Training

Microsoft 365 Apps Training

Over 4,000 hours of micro lessons on the Microsoft 365 apps, in 10+ languages, included for your whole team.

How we secure your Microsoft 365

We Fix Your Microsoft 365 Setup First. Then We Keep It Fixed.

Most businesses set up Microsoft 365 to get email and files working, and once everyone can sign in, nobody goes back to the security settings. That is normal, not careless. We dig into your whole tenant, fix every issue we find and lock it down with Zero Trust. Most onboarding projects take 6 to 12 weeks, depending on your team size and where you’re starting, and your proposal includes your exact roadmap. This work is part of our fully managed IT service. The same in-house people who set up your security look after it every day, with no outsourcing, not even after hours.

Week 1

Computer Security And Backups

Within the first week, every computer gets ransomware protections with MDR 24/7 threat detection and response. We also back up all emails and Microsoft OneDrive, SharePoint and Teams files.

Weeks 1-2

Dig Into Your Tenant And Make A Plan

We do a full deep dive into your Microsoft 365 tenant and fix every issue we find: old accounts nobody closed, files shared with anyone who has the link, staff with admin rights they don’t need.

The Middle Weeks

We Build, Test And Deploy Your Security Framework

We learn what data you work with, what is sensitive and who needs access from where. Then we configure Intune and Conditional Access to match your real workflows. We pilot the controls with a few of your staff, refine, then roll out to the whole team.

The Final Weeks

Document Your Systems And Policies

We document your systems and help your HR team create acceptable use policies for your staff.

What you can expect

From Default Settings To Audit Ready

Rated 5 out of 5

our transition to Microsoft 365 seamless

“Changing how you do things for over 25 years can be difficult, but Adam and the TUCU team made our transition to Microsoft 365 seamless. Very professional and took to the time to answer all my questions… and I had many! Great company!”

letter icon C
Centro Staff
Lawyer
Rated 5 out of 5

extraordinarily professional

“Adam and his team were extraordinarily professional and were able to help configure some of our systems we were not able to do ourselves. Thank you for your efficient turnaround.”

letter icon M
MW F

Client Spotlights

Real businesses who needed a professional IT company to work as an extension of their team, and got results that matter.

Vendor Security for Macs Toronto

Passed An Information Security Screening From Their Largest Client

A Mac-based firm aligned with the NIST framework and positioned itself to win more work from global enterprises.

Explorer Research Logo Client Spotlight

Built The Secure IT Needed To Win Major Corporate Clients

Explorer Research grew from startup to a go-to shopper research agency on infrastructure built to pass client reviews.

Client logo vizio consulting

Removed Security Friction From The Sales Process

Vizio protected client data and kept its team supported while it focused on growth and expansion.

Microsoft 365 Resources

Helpful articles and guides from our Microsoft 365 specialists.

Microsoft 365 Security FAQ

No. A Business Premium licence gives you the security tools, and it does not switch them on. Conditional access policies, Intune device compliance, data loss prevention rules and sensitive data labelling all have to be configured, tested and then maintained as staff and devices change. A tenant running default settings has the licence cost and very little of the protection, which is the most common gap we find when we take over an environment.

Microsoft 365 provides technical controls supporting NIST Cybersecurity Framework (most flexible for Canadian SMBs), PCI DSS (mandatory if processing credit cards), PIPEDA (Canadian privacy law), and ISO 27001 (international standard) without requiring formal certification for most vendor requirements.

NIST framework is not certification-based but provides documented security controls that satisfy most enterprise vendor questionnaires at lower cost than formal ISO 27001 certification. Implementing NIST or ISO 27001 controls in Microsoft 365 gives documented security through configuration reports, Secure Score tracking, and policy documentation that vendors and auditors accept.

Formal certification is only necessary when clients explicitly require certified ISO 27001 or SOC 2 Type 2 reports.

No, basic DLP for email, SharePoint, OneDrive, and Teams works without Intune device enrollment and covers most small business needs for preventing sensitive data exposure. Endpoint DLP (controlling copy and paste, USB drives, printing, and screen captures on Windows and Mac devices) requires Intune device management. Most vendor security screenings are satisfied with cloud-based DLP policies that detect credit card numbers, SINs, and confidential data in emails and files. Intune endpoint DLP provides additional protection for businesses handling highly sensitive information or meeting strict compliance requirements like PCI DSS Level 1.

For most small businesses, very little. Both include Entra ID P1, which provides Conditional Access, and both include Defender for Office 365 Plan 1 for email protection. The main difference is size: Business Premium is for organizations with up to 300 users, and E3 has no user limit. Risk-based sign-in policies, Entra ID Protection and Privileged Identity Management need Entra ID P2, which comes with Microsoft 365 E5 or with the Microsoft Defender Suite add-on for Business Premium.

For a team under 300, Business Premium covers the controls most vendor questionnaires ask about.

Yes, we help Toronto businesses answer SOC 2, ISO 27001, and custom vendor security questionnaires. Our process maps Microsoft 365 capabilities (Entra ID MFA, Conditional Access, DLP, Intune device management) to specific vendor requirements like “Do you restrict administrative access?” or “Do you encrypt sensitive data?” We provide configuration implementation and documentation that satisfies vendor security reviews. Most vendor questionnaires ask similar questions about identity management, device security, data protection, and access controls that Microsoft 365 addresses when properly configured.

This work is for clients on our fully managed IT service, either as part of onboarding or once you are a client.

Yes, we use Microsoft Purview to track your alignment with frameworks like NIST, ISO 27001, and HIPAA, generating audit-ready reports showing implemented controls and compliance status.

We provide pre-audit security reviews, gap analysis, and remediation roadmaps to ensure you’re prepared before auditors arrive.

Several clients use our continuous compliance monitoring for their annual audits, maintaining ongoing compliance rather than scrambling before each audit cycle.

No, when implemented in proper sequence with phased rollout and user training before enforcement. MFA setup requires users to authenticate once per device then work normally. Conditional Access policies are tested with small groups first and configured to warn before blocking. DLP policies notify users about policy violations with an option to explain the business need, rather than blocking legitimate work on the spot. Intune device enrollment happens during scheduled maintenance windows with security baselines applied gradually. Our layered implementation approach (identity, then devices, then access control, then data protection) minimizes disruption by ensuring each security control works properly before adding the next layer.

No. We handle complete migrations from on-premises email servers, Google Workspace, GoDaddy, Rackspace or other platforms as part of onboarding to our fully managed IT service. Our certified Microsoft specialists ensure smooth transitions with minimal disruption, typically 1-2 days for small teams with full data transfer and security configuration.

Week 1 covers your computer security and backups. The full Microsoft 365 security setup, including Conditional Access, data loss prevention and sensitivity labels, happens during our 6 to 12 week onboarding, depending on your team size and where you’re starting. Your proposal includes your exact roadmap.

Ongoing management includes security monitoring, Secure Score optimization, license management, user support, a video training library for your staff, IT inventory tools, policy updates as threats evolve, and strategic guidance. We become an extension of your team: you know us by name, and we know your environment inside out.

Learn more about our Switch To Microsoft 365 Services.

Not sure yet? See our managed IT pricing ranges.

Security driven. People powered.

Ready For A Great Managed IT Provider?

Book a free discovery call to review your fully managed IT needs. If we’re a good fit, we’ll send you a tailored proposal and quote.

Book A Discovery Call

Tell us about your IT challenges. Let’s discuss how TUCU might help.