This document describes Virtus Group’s standard for this area and how it is applied in practice. It is derived from our internal policies and standards and is intended for both reviewers and operations.
| Tier | Examples |
|---|---|
| Tier‑0 | Identity platform, MFA, privileged access boundary |
| Tier‑1 | Core Infra: AD DS, DNS/DHCP, firewall/SD‑WAN, site connectivity |
| Tier‑2 | Key Applications (ERP/CRM), shared file services, collaboration |
| Tier‑3 | Auxiliary services, low‑criticality workloads |
| Tier | RPO (max data loss) | RTO (max downtime) |
|---|---|---|
| Tier‑0 | 1 hour | 4 hours |
| Tier‑1 | 4 hours | 8 hours |
| Tier‑2 | 8 hours | 24 hours |
| Tier‑3 | 24 hours | 72 hours |
| Role | Responsibility |
|---|---|
| Incident Commander | Owns decisions, comms, and timeline |
| Core Infra Lead | Identity, directory, DNS/DHCP, virtualization |
| Network Lead | WAN/SD-WAN, firewalls, VPN |
| Apps/Data Lead | DB/app restores, file services, integrity |
| Comms/Privacy Officer | Stakeholder & regulatory notifications |
| Tier | RTO | RPO | Notes |
|---|---|---|---|
| Tier 1 (mission-critical) | 4 hours | 1 hour | HA where feasible; priority incident treatment |
| Tier 2 | 24 hours | 4 hours | Standard business services |
| Tier 3 | 72 hours | 24 hours | Back-office / low criticality |
Records are maintained per the VGL Document & Record Control guidelines, including logs, approvals, test outputs, meeting minutes, and reports.