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55 results found. Search results for “rollback”.
Consulting
Bringing firewall changes under control
A representative firewall-policy review that restores ownership, requires validation and gives every approved production change a rollback path.
ServiceCloudflare security and edge services
Review and improve Cloudflare DNS, TLS, WAF, access and edge configuration with controlled rollout, evidence and a practical rollback path.
Starter engagementCloudflare Security Baseline
A read-first review of agreed Cloudflare zones and edge controls, followed by prioritized, rollback-aware configuration recommendations.
ServiceIndependent design and change review
An independent read of a migration, policy change or platform decision before you commit: assumptions checked, failure paths worked, rollback tested.
ServiceSafe infrastructure automation
Introduce automation to infrastructure safely: bounded scope, tested rollback, approval paths and evidence that each change did what was intended.
Starter engagementAI-Agent Infrastructure Access Review
A threat-led review of how an AI-enabled workflow discovers, recommends or performs infrastructure operations without receiving unrestricted authority.
ServiceCloud services
Azure and AWS design, migration and review for Canadian organizations: landing zones, identity, networking, backup and cost visibility.
IndustryCybersecurity and resilient infrastructure for healthcare
Strengthen access, networks, and recovery around sensitive health information and systems that staff need to deliver care.
Starter engagementFirewall Policy Health Check
A bounded review of firewall policy intent, ownership, exposure and change readiness before cleanup or a larger redesign.
ServiceFirewall policy review
Review firewall policy intent, effective access, ownership and observed use before making bounded cleanup or risk-reduction changes.
Work examplesIllustrative engagement examples
Representative cybersecurity and infrastructure engagements showing scope, evidence, deliverables and validation.
ServiceIT 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.
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.
Starter engagementRansomware Recovery Readiness Review
A focused review of whether priority services, identities, clean administration and backups can support a defensible recovery decision.
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.
ServicesSecurity and infrastructure services
Toronto IT consulting for cybersecurity, networks, firewalls, Cloudflare and recovery.
Starter engagementsStarter security engagements
Bounded cybersecurity reviews for firewall policy, ransomware recovery, Cloudflare and AI-agent access.
ServiceUnified communications
Plan and move business phones and meetings: Microsoft Teams Phone, SIP trunking, call routing and number porting, cut over in agreed windows.
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.
Resource library
DNS 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.
ResourceFirewall change and rollback record
Plan, approve, test, and close a firewall change with the business reason and rollback path in one record.
ArticleFirewall change planning with a tested rollback
A practical change-window method that separates validation, implementation, verification, and rollback before production traffic is at risk.
ArticleCloudflare DNS migration without losing the rollback path
Inventory records, lower risk before delegation changes, validate critical services, and preserve a clear route back.
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.
Learning pathChange with confidence
A four-part path for planning firewall, edge and DNS changes with evidence, staged validation and a usable rollback route.
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.
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.
ArticleCisco access control readiness before enforcing 802.1X
Prepare identity, certificates, profiling, fallback, and support workflows before moving wired access from visibility to enforcement.
Knowledge topicCloud and Edge
Treat edge security as an operated control plane with explicit ownership, safe changes, origin protection and evidence of intended behaviour.
ArticleCybersecurity Assessment Scope: A Buyer’s Evidence Checklist
Define the decisions, service boundaries, evidence, testing depth and deliverables that turn a cybersecurity assessment into an actionable plan.
ArticleDeploy SPF, DKIM, DMARC, MTA-STS, and BIMI Without Breaking Mail
Roll out SPF, DKIM, DMARC, MTA-STS and BIMI in an order that will not break mail, with the checks to run before each enforcement step.
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.
ResourceIncident-readiness questionnaire
Find the practical gaps that can slow decisions, communications, containment, evidence handling, and recovery during a cyber incident.
KnowledgeKnowledge from the field
Cybersecurity, network, infrastructure, Cloudflare, Palo Alto, Cisco and practical AI guidance.
ArticleMicrosoft 365 backup: what native recovery will and won't restore
Microsoft 365 recycle bins and retention are not a backup. What native recovery covers, where it stops, and how to plan restores you can rely on.
ArticleMicrosoft 365 Email Authentication: A Controlled SPF, DKIM, and DMARC Rollout
Configure SPF, DKIM and DMARC correctly in Microsoft 365, including the alignment details that quietly cause legitimate mail to fail.
Knowledge topicNetwork Security
Make network and firewall controls understandable, attributable and safe to change without losing the path back.
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.
ArticlePalo Alto policy review: find risk before adding another rule
Review rule order, application visibility, profiles, logging, and stale access before expanding a PAN-OS policy base.
ResourcesPractical security and infrastructure templates
Templates for firewall changes, security assessments, incident readiness and recovery tests.
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.
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.
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.
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.
Learning pathsSecurity learning paths
Connected guides for controlled changes, recovery, identity, email trust and segmentation.
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.
ResourceService recovery test plan and evidence record
Test whether a service can be restored under defined conditions, with safe boundaries, timestamps, acceptance criteria, and follow-up actions.
ArticleSeven Zero Trust Implementation Mistakes—and How to Correct Them
Seven zero trust mistakes that stall real deployments, why each one happens, and the correction that keeps the program moving.
ResourceThird-party remote access review
Review vendor and partner access from business purpose through identity, network path, session evidence, expiry, and safe removal.
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.
ApproachHow HAI Consulting works
A bounded consulting approach with evidence, decisions, validation and ownership.
Trust centreTrust and engagement safeguards
Information handling, administrative access, change safeguards, website privacy, accessibility and responsible disclosure.