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34 results found. Search results for “change management”.
Consulting
IT project and program management
Run infrastructure and security projects to a defined outcome: scope held, dependencies surfaced early, risks tracked, and a cutover with a rehearsed way back.
ServiceRetained IT and security management
Ongoing scheduled review, maintenance planning and advisory support under a retainer, so security and infrastructure work continues after a project ends.
ServiceVulnerability and patch management
Turn scanner output into a prioritized, owned remediation plan: what is genuinely exploitable here, who fixes it, in what order, and how it gets verified.
ServiceFirewall policy review
Review firewall policy intent, effective access, ownership and observed use before making bounded cleanup or risk-reduction changes.
IndustryCybersecurity and reliable networks for retail
Improve security and uptime across stores, head office, cloud services, payment environments, Wi-Fi, and connected devices.
ServiceCybersecurity assessments
Assess current security controls, evidence and ownership, then turn verified findings into a prioritized and operationally realistic improvement plan.
ServiceManaged IT services
Hands-on IT operations during Canadian business hours: patching, backup checks, account and device administration, and current documentation.
ServiceMicrosoft 365 security and administration
Microsoft 365 security and administration for Canadian organizations: Entra ID, conditional access, mail security, sharing, Intune and licensing.
ServiceNetwork architecture and segmentation
Review traffic paths, trust boundaries and failure behaviour, then design network segmentation that can be implemented, supported and rolled back.
ServicesSecurity and infrastructure services
Toronto IT consulting for cybersecurity, networks, firewalls, Cloudflare and recovery.
ServiceSecurity policy and governance
Write or review security policy that matches how your organization actually operates, with each statement mapped to the control meant to enforce it.
ServiceUnified communications
Plan and move business phones and meetings: Microsoft Teams Phone, SIP trunking, call routing and number porting, cut over in agreed windows.
Resource library
Firewall change planning with a tested rollback
A practical change-window method that separates validation, implementation, verification, and rollback before production traffic is at risk.
ArticleFirewall Rule Review: A Checklist That Produces Defensible Change
A firewall rule review that produces defensible change: what to collect, how to judge a rule, and how to retire one without an outage.
ResourceFirewall change and rollback record
Plan, approve, test, and close a firewall change with the business reason and rollback path in one record.
Resource librarySecurity and infrastructure resource library
Browse HAI Consulting field guides, learning paths, templates and diagnostic tools by topic, technology or format.
ResourceSecurity assessment scoping and evidence worksheet
Define what an assessment must answer, gather evidence consistently, and separate verified findings from assumptions.
ArticleA safer starting point for AI agents in infrastructure operations
Start with read-only evidence collection, narrow tool permissions, and reviewable change proposals before an agent can alter production.
ArticleSecure AI-Agent Access to Infrastructure: Put Authorization Outside the Model
How to give AI agents infrastructure access without losing control: scoped credentials, approval paths, audit trails and reversible change.
ArticleAzure migration: what to settle before moving servers
Before moving servers to Azure, map dependencies, settle identity, network and data residency, and agree rollback. A readiness checklist for Canadian SMBs.
ArticleDeploying Cloudflare WAF Without Breaking Production
Deploy Cloudflare WAF without breaking production: staged rollout, rule tuning, false-positive handling and a rollback you have actually tested.
ArticleDNS Migration With a Rollback Plan That Can Actually Work
A DNS provider migration runbook covering zone discovery, TTLs, DNSSEC, delegation, split authority, validation and the time-dependent realities of rollback.
ArticleIntune 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.
KnowledgeKnowledge from the field
Cybersecurity, network, infrastructure, Cloudflare, Palo Alto, Cisco and practical AI guidance.
ArticleNetwork Segmentation for SMBs: A Minimum-Viable Architecture That Can Grow
A staged segmentation design for small and midsized businesses that contains compromise without creating an unmanageable firewall-rule maze.
ResourcePrivileged access and emergency access review
A worksheet for reviewing privileged access: who holds it, why, when it was last confirmed, and what evidence supports keeping it.
ArticleProxmox Backup and Recovery: Design for a Restore, Not a Green Job
Design Proxmox backups around a proven restore rather than a green job: retention, isolation, verification and the failure modes that matter.
ArticleRansomware Recovery Readiness: A Checklist You Can Prove
A practical checklist for proving ransomware recovery works: what to test, what evidence to keep, and which assumptions usually fail under pressure.
ResourceSecurity logging coverage and retention worksheet
Map the events needed to investigate material incidents, verify collection and retention, and expose blind spots before an alert or outage.
ArticleSecurity logging coverage and retention: design for the investigation
Build a logging plan from investigation questions, evidence paths and response ownership instead of collecting high-volume data without a use case.
ResourceThird-party remote access review
Review vendor and partner access from business purpose through identity, network path, session evidence, expiry, and safe removal.
ArticleThird-party remote access: control the whole connection lifecycle
Turn vendor and support access into an owned lifecycle with named identities, narrow paths, visible sessions, expiry and a tested shutdown method.
About HAI
Clear technical advice, tied to the way your organization works
HAI Consulting is a Canadian cybersecurity, networking, and infrastructure consultancy serving organizations in Toronto, Ontario, and across Canada. We help organizations understand their current environment, decide what deserves attention, and carry changes through with less guesswork.
OverviewHAI Consulting
Toronto cybersecurity and IT consulting for organizations in Canada.