Top Cybersecurity-Focused MSPs in the GTA: A Buyer’s Guide
Cybersecurity is not one service. Incident response, managed detection, penetration testing and compliance each call for a different provider strength. This guide scores GTA firms against the 13 baseline control areas the Canadian Centre for Cyber Security publishes, so you can run the same comparison yourself.
Written by Mike Pearlstein, CISSP, MSc Computer Science (AI), CEO of Fusion Computing. Microsoft Solutions Partner. Canadian-owned and operating from Toronto since 2012. Named to Canada’s 50 Best Managed IT Companies in 2024.
Disclosure and our own position: Fusion Computing publishes this guide and appears in 1 of the 5 categories below, the managed cybersecurity category for GTA small businesses with no in-house security team. We are openly not the recommendation in the other 4.
The scoring rubric is not ours either. It is the Canadian Centre for Cyber Security baseline control set for organizations under 499 employees, which any buyer can apply to any provider, including us. Third-party firms here are described only from claims on their own live sites, checked August 4, 2026. We list no competitor pricing, because we cannot verify it.
Why cybersecurity provider fit matters
According to Statistics Canada (2024), about 1 in 6 Canadian businesses were hit by a cyber security incident in 2023. Only 50 percent reported having cyber security employees, down from 61 percent in 2021. The most reported reason for having none was that consultants or contractors did the monitoring, at 47 percent.
Buying cybersecurity is not like buying helpdesk support. A firm that excels at penetration testing may not run a 24/7 detection service. A managed SOC built for enterprises is overpriced for a 60-person business in Mississauga. The 5 categories below map the GTA market to the decision a buyer faces.
We weighted 4 things across every firm below.
- Depth in the named discipline.
- Executive-level security credentials such as CISSP, CISM or OSCP.
- The client size the firm is actually built for.
- Whether it can also run the IT operations that security sits on top of.
How to compare GTA cybersecurity providers: criteria you can apply yourself
According to the Canadian Centre for Cyber Security, its baseline controls are written for organizations under 499 employees. They cover 13 control areas, from incident response planning through to secure cloud and outsourced IT services. Ask every firm on your shortlist to mark which of the 13 it will own.
That 1 exercise separates a security partner from a security vendor. A firm that puts a name against each of the 13 has done the work before. A firm that answers in adjectives has not. Whatever nobody claims is your real risk.
Run the marked-up sheet past whoever carries the risk, usually the CFO or the managing partner. In Toronto and Hamilton, the gaps that surface during a PIPEDA breach assessment are the ones both sides assumed the other owned.
| Scoring question | A strong answer | A weak answer |
|---|---|---|
| Which of the 13 CCCS baseline areas do you own? | A marked-up sheet with a named owner per area. | “We cover everything.” |
| Who answers an isolation decision at 02:00 on a Sunday? | A named human plus a written response target. | “Our platform handles it.” |
| What security credential does your leadership hold? | A named CISSP, CISM or OSCP holder you can meet. | “Our whole team is certified.” |
| Who files the PIPEDA breach report? | You do. We assemble evidence and hold the 2-year record. | “We handle compliance.” |
| Is our monitoring and log data stored in Canada? | A named region, in writing, in the contract. | “Our cloud is secure.” |
Best for GTA small businesses with no in-house security team: Fusion Computing
According to the Canadian Centre for Cyber Security (2024), ransomware is the top cybercrime threat facing Canada’s critical infrastructure. It directly disrupts an organization’s ability to deliver services. Security is the hardest capability for a 60-person GTA firm to hire for, which is why most of them buy it instead.
When this matters: you run a 10 to 150 employee business in the GTA and you have no dedicated security staff. You need cybersecurity plus the day-to-day IT it runs on from 1 accountable provider, with support for PHIPA, PIPEDA, FIPPA or CIRO obligations.
Fusion Computing runs both layers under a single engagement: monitoring and response, Microsoft 365 hardening with Defender, Entra ID and Intune, security governance, and a vCISO function. Fusion Computing is CISSP-led and has operated from Toronto since 2012.
Fusion Computing publishes managed cybersecurity at $180 to $250+ CAD per user per month, and fully managed IT with the security layer included from $180+ CAD per user per month. A fuller stack with advanced Microsoft 365 licensing runs about $230 CAD per user per month.
Where we are not the answer: if you need a CREST-accredited penetration test for an insurer or an enterprise client, hire a specialist. If you already run an internal IT team of 1 or more and want only a security layer over it, read our co-managed IT providers guide instead.
See what the managed cybersecurity engagement covers. →
Best for penetration testing: Packetlabs
According to Packetlabs (site checked August 2026), the firm is CREST-accredited and SOC 2 Type II attested. It staffs engagements to an OSCP-minimum standard and works from 401 Bay Street in Toronto. Packetlabs publishes a 100 percent manual-driven testing and 0 percent outsourcing commitment on its own site.
When this matters: you need a defined offensive security engagement. That means an infrastructure or application penetration test, a red team exercise or an adversary simulation, usually to satisfy an insurer, an enterprise client or a SOC 2 audit.
A penetration test is a deliverable with a start date and an end date, and a report on its own changes nothing. Most GTA firms retain a specialist for the test and a managed provider to fix what it finds. Our network penetration testing page explains where the 2 roles divide.
Best for enterprise managed detection and response: eSentire
According to eSentire (site checked August 2026), it protects more than 2,000 customers across 35 or more industries. It runs 24/7 threat hunters alongside automated response. Its site publishes no mean-time-to-contain commitment, so ask for that number in writing before you sign anything.
When this matters: you are past 250 seats or carrying OSFI or CIRO obligations, and you need enterprise-scale managed detection and response with a deep analyst bench.
Enterprise MDR is priced for enterprise risk. For a 40-person Vaughan firm it is more coverage than the risk justifies, and it leaves the IT operations underneath unmanaged. Ask which of the 13 CCCS control areas an MDR contract covers, because detection and response touches 3 or 4.
Best for endpoint and threat detection tooling: Field Effect
According to Field Effect (site checked August 2026), Field Effect MDR covers endpoint, cloud and network protection behind a 24×7 SOC. The company lists its head office at 979 Bank Street in Ottawa. It sells through an MSP partner program and directly to internal IT teams.
When this matters: you want Canadian-built detection tooling from a Canadian-headquartered vendor, bought through the managed provider who will operate it day to day.
Tooling and outcomes are 2 separate purchases. A platform generates alerts. Somebody still has to triage them at 02:00 on a Sunday and decide whether to isolate a laptop in Etobicoke. Ask whoever deploys it to name that person.
Best for incident response and breach recovery: a specialist DFIR firm
According to the Office of the Privacy Commissioner of Canada, PIPEDA requires you to report breaches posing a real risk of significant harm. Notification must go out as soon as feasible, and records of all breaches of security safeguards must be kept for 2 years. That duty stays with your business.
When this matters: you are in an active breach and need digital forensics, chain-of-custody evidence, and a defensible record for the OPC under PIPEDA and your insurer.
Fusion Computing coordinates the response and handles remediation for its own clients, and a full forensic investigation still belongs with a retained specialist. Our PIPEDA compliance guide covers the 2-year record and the notification test.
“I got the call no business owner wants. Our systems were locked and there was a ransom demand on every screen. I called Fusion in a panic at 9 PM on a Friday. They had someone working on it within the hour. By Monday morning our team walked in, sat down, and got back to work like nothing happened. Every file recovered. No ransom paid.”
What is the difference between an MSP and an MSSP in Canada
According to Statistics Canada (2024), Canadian businesses spent $11.0 billion CAD on prevention and detection in 2023, up from $9.7 billion CAD in 2021. Spending on recovery doubled to $1.2 billion CAD over the same period. Small and medium businesses carried roughly $600 million CAD of that recovery bill between them.
An MSP runs your IT operations. An MSSP runs security monitoring and response. Many Canadian providers do both, and the label matters far less than 2 things: who holds the security credential, and which of the 13 CCCS control areas the contract names.
Our guide to what an MSSP actually is carries the full definition and the coverage split. For GTA buyers under 150 seats, the question is whether you sign 1 contract or 2, and who answers when an alert fires at 03:00.
How much managed cybersecurity costs in the GTA, and what it requires from you
According to the Government of Canada Job Bank, an information systems manager in Toronto earns a median $67.69 CAD per hour. Those wages were updated on November 19, 2025, and 1,950 hours puts the role near $132,000 CAD a year before benefits. Most 60-seat GTA firms cannot justify that for security leadership alone.
Fusion Computing charges $180 to $250+ CAD per user per month for managed cybersecurity, and from $180+ CAD per user per month for fully managed IT with the security layer included. For a 60-seat Toronto firm, that band works out to roughly $93,600 CAD to $129,600 CAD a year.
A managed security contract also requires 3 things from your side, and buyers routinely forget to budget for them.
- Name 1 internal owner who signs the control-area sheet.
- Send that person to the monthly review, every month.
- Agree a credential-governance rule before onboarding, because shared admin logins turn a PIPEDA incident into an unanswerable question about who did what.
Small and medium businesses carried about $600 million CAD of the $1.2 billion CAD recovery bill in 2023, which is what the whole economy spent in 2021. Weigh that against a $93,600 CAD annual security contract.
Where a cybersecurity MSP is not the answer
According to the Canadian Centre for Cyber Security, the 13 baseline controls include incident response planning and employee awareness training. Read that list before you shop. Several of the 13 need a decision-maker inside your business, and no contract moves that off your desk.
4 situations call for something other than a managed cybersecurity contract, and saying so up front saves everybody a wasted quarter.
- You are breached right now. Call the insurer and the breach coach. Onboarding takes 30 to 60 days.
- You need an attestation, not a service. A SOC 2 Type II or ISO 27001 certificate comes from a licensed auditor. A provider can prepare you, not issue it.
- You are under 10 seats. Microsoft 365 Business Premium plus disciplined MFA and backup covers most of the 13 baseline areas for far less.
- You only want the tool. With staff to triage alerts, buy the platform through a partner and keep the work in house.
Questions to ask any GTA cybersecurity provider
According to Statistics Canada (2024), only 50 percent of Canadian businesses had cyber security employees in 2023. Most buyers are therefore judging a discipline they do not staff. These 8 questions separate answers you can verify from answers you cannot.
- Is your security leadership CISSP or CISM certified, and can I meet them? Executive-level credentials signal real depth.
- Do you do security only, or can you also run the underlying IT? Under 150 seats, 1 accountable provider is simpler and cheaper.
- Which of the 13 CCCS baseline control areas will you own in writing? A marked-up sheet beats any capability slide.
- What is your incident response time commitment? Get the SLA in writing. Fusion Computing commits to a 1-hour priority response.
- How do you audit SharePoint and OneDrive permissions before Copilot is enabled? Oversharing is the Microsoft 365 problem firms find after rollout.
- Is your monitoring and log data stored in Canada? Matters for PIPEDA, PHIPA, FIPPA and CIRO obligations.
- Who files the breach report, and who keeps the 2-year record? The answer must be your business, with the provider assembling evidence.
- What does onboarding look like in the first 30 days? Ask for named milestones.
Taking this list to 3 providers? Ask us the same 8 questions and compare the answers →
FAQ
Do I need a dedicated cybersecurity firm or can my MSP handle it?
What is the difference between an MSP and an MSSP?
How much does managed cybersecurity cost for an SMB in the GTA?
Is Fusion Computing the same as Fusion Cyber Group?
Do I need a penetration test or a managed security service?
What security credentials should a GTA cybersecurity provider hold?
Who reports a PIPEDA breach, my provider or my business?
Does managed cybersecurity cover Microsoft 365 and Copilot?
Do I need a 24/7 SOC at 50 employees?
How long does onboarding a managed security service take?
Is my security monitoring data stored in Canada?
What do the 13 Canadian Centre for Cyber Security baseline controls cover?
Talk to Fusion about SMB cybersecurity
If you need cybersecurity and the IT it runs on from 1 accountable CISSP-led provider in the GTA, talk to us. If you need a pen test or enterprise MDR, the firms above are the better first call.
Book a consultation or call (416) 566-2845
Microsoft Solutions Partner. CISSP-led since 2012. Related: questions to ask before hiring an MSP, top MSPs in Canada 2026.
