The Small Business Cybersecurity Checklist for Canadian SMBs

Small businesses are attractive targets for cybercriminals precisely because they're perceived as under-defended. They hold real data, client records, financial information, employee files, but often lack the security tools and processes that larger organisations take for granted.

Canada's privacy legislation, PIPEDA at the federal level, and provincial equivalents like BC's PIPA and Alberta's PIPA, requires organisations to implement appropriate safeguards to protect personal information. "Appropriate" is proportional to the sensitivity of the data and the risks involved. For most businesses, this means having a meaningful security baseline in place.

• [ ] Multi-factor authentication (MFA) on all accounts, Email, remote access, cloud applications, and any system containing sensitive data should require MFA. This is the single most effective control for preventing account takeover. No exceptions.
• [ ] Unique passwords via a password manager, Staff should not be reusing passwords across accounts. A managed password policy, enforced through a password manager, eliminates a major class of credential risk.
• [ ] Principle of least privilege, Users should have access only to the data and systems they need for their role. Admin accounts should be used only for administrative tasks, not for everyday work.
• [ ] Offboarding process, When an employee leaves, their access is revoked promptly, email, cloud apps, VPN, and any shared credentials they knew. Lingering access is a significant and often overlooked risk.

• [ ] Endpoint detection and response (EDR) on all devices, Standard antivirus is not sufficient. EDR provides behavioural analysis and active threat containment that signature-based antivirus cannot. Every managed device should have EDR.
• [ ] Mobile device management (MDM) for mobile devices, Phones and tablets accessing company data should be enrolled in an MDM solution so they can be remotely wiped if lost or stolen.
• [ ] Encryption on laptops and workstations, Full-disk encryption (BitLocker on Windows, FileVault on Mac) ensures that a stolen laptop doesn't mean a data breach.

• [ ] Operating system patches applied within 30 days, Unpatched systems are the entry point for a significant proportion of cyberattacks. A defined patching cadence is essential.
• [ ] Application patches applied on a regular schedule, Web browsers, productivity suites, and business applications need to be kept current, not just the OS.
• [ ] Regular vulnerability scans, A vulnerability scanner identifies unpatched software, misconfigured systems, and known weaknesses before an attacker does.

• [ ] 3 copies of data, Your original plus two backups
• [ ] 2 different media types, e.g., local backup and cloud backup
• [ ] 1 copy offsite, Physically or geographically separated from your primary systems
• [ ] 1 copy offline or immutable, An air-gapped or immutable backup that ransomware cannot reach or encrypt
• [ ] 0 unverified backups, Every backup is tested. If a restore hasn't been verified recently, the backup is theoretical.

This is the 3-2-1-1-0 framework. The last digit, zero unverified backups, is the one most businesses fail on.

• [ ] Phishing awareness training for all staff, Phishing is the most common way attackers get into a business. Training should include regular simulated phishing exercises, not just annual videos.
• [ ] Clear process for reporting suspicious emails, Staff need to know who to contact and how to report a suspicious message quickly. Friction in the reporting process means threats go unreported.
• [ ] Email security filtering, Inbound email scanning that catches malicious attachments and links before they reach staff inboxes.

• [ ] Dark web monitoring for your domain, Compromised credentials from third-party breaches often end up on dark web marketplaces. Monitoring alerts you when your staff's credentials appear, so you can act before an attacker does.

• [ ] A written incident response plan, When something happens, staff need to know what to do. Who do you call? What do you shut down? Who communicates with clients? An untested plan is better than no plan.
• [ ] Your IT provider's emergency contact is known to key staff, It sounds obvious, but in a panic, people can't find the right number. Post it. Write it down.
• [ ] Cyber insurance reviewed, Cyber insurance policies vary widely. Understand what yours covers and whether your security controls meet the policy's requirements.

Print it, share it with your leadership team, and work through it honestly. For each item you can't check off, ask: what would it take to fix this, and how urgent is it?

The items with the highest impact-to-effort ratio are MFA, EDR, and verified backups. If you can only do three things, start there.

If you're looking at this list and realising how much is missing, that's not a failure, it's information. Most businesses in this position can move from exposed to reasonably secure within a managed IT engagement in a matter of weeks.

Book a free cybersecurity assessment with North Star IT Services. We'll review your current security posture against this checklist, identify your highest-priority gaps, and give you a clear plan. Call 672-983-1174 or reach out online today.

Verified: Tuesday, June 16, 2026. Hard limits: Title ≤ 60 chars, Meta ≤ 158 chars, Body ≥ 900 words. All posts passed.

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