Cybersecurity · Networks · Infrastructure

Secure systems. Clear decisions. Tested recovery.

HAI Consulting provides cybersecurity and IT consulting for organizations in Toronto and across Canada: secure systems, clear decisions about technology risk and tested recovery, with every change backed by evidence, review and a reliable way back.

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19+ years across enterprise network and security environments

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Start with the outcome

Choose the shortest useful path

Begin with consulting help, a focused engagement, or self-service guidance based on what you need now.

Consulting help

Assess or improve an environment

Review services for security, networks, firewalls, Cloudflare and recovery.

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Focused start

Answer one operational question

Compare bounded starter engagements with visible scope, deliverables and safeguards.

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Self-service

Browse the resource library

Find field guides, learning paths, templates and public diagnostic tools by topic or format.

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Core capabilities

Focused help for critical IT environments

Each service page explains the scope, deliverables, process and boundaries before a conversation starts.

Isometric diagram of a building under review: an evidence card, a magnifier with a verified check and a prioritized findings list.

Cybersecurity assessments

Assess current security controls, evidence and ownership, then turn verified findings into a prioritized and operationally realistic improvement plan.

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Network architecture and segmentation

Review traffic paths, trust boundaries and failure behaviour, then design network segmentation that can be implemented, supported and rolled back.

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Firewall policy review

Review firewall policy intent, effective access, ownership and observed use before making bounded cleanup or risk-reduction changes.

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How the work is controlled

Understand the delivery model before access is granted

Review representative structures, operating safeguards and information-handling boundaries before starting.

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Understand the evidence, decisions and validation in a bounded engagement.

Review the delivery approach

See how scope, change safeguards, verification and handoff are handled.

Read the trust centre

Check information handling, administrative access and production-change safeguards.

Latest field notes

Practical guidance for real change windows

Original HAI Consulting articles focus on assumptions, implementation boundaries, validation and recovery.

Isometric update cloud sending patches to a small pilot group of devices first and then to the rest of the fleet, with an urgent lane for exploited flaws and a checklist confirming every install.

Security OperationsOctober 9, 20267 min read

Patch management for small businesses: a routine that holds

Patching fails when nobody owns it. A monthly routine for small businesses: update rings and deadlines, a fast lane for exploited flaws, and proof it worked.

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Isometric email with a protective shield passing an invoice to finance, where a payment to new bank details is blocked and two approvers confirm the payee by a call-back check.

Email SecurityOctober 7, 20267 min read

Business email compromise: stopping payment fraud

Business email compromise turns a trusted email thread into a payment to the wrong account. The Microsoft 365 settings and payment checks that stop it.

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Isometric Intune cloud managing a company laptop with a security shield and protecting work apps on a personal phone with a lock, beside a compliance checklist.

InfrastructureOctober 5, 20267 min read

Intune rollout: what to decide before you enrol devices

Before enrolling devices in Intune, settle ownership, app protection, Autopilot and compliance rules. A rollout plan for Canadian small businesses.

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Free initial consultation

Need a second set of eyes on a security or infrastructure decision?

Describe the environment, the risk and the outcome you need. The first conversation is free, with no obligation to go further.

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