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Ransomware Resilience Playbook for Indian Enterprises 2026

A pragmatic 2026 ransomware readiness playbook covering backup immutability, network segmentation, EDR tuning, tabletop exercises, and CERT-In reporting workflows.

OSA Cyber Advisory· Virtual CISO Practice 8 min read

Ransomware Resilience Playbook 2026

Ransomware crews have industrialised. This playbook covers the seven controls that separate rapid recoveries from month-long outages.

1. Immutable, tested backups

Air-gapped or object-locked backups with quarterly restore drills.

2. Segmentation

East-west controls, identity-based micro-segmentation, and just-in-time admin.

3. EDR + 24×7 SOC

Behavioural detection tuned to your environment, escalation SLAs under 15 minutes.

4. Identity hardening

Phishing-resistant MFA, tiered admin model, credential vaulting.

5. Tabletop exercises

Quarterly board-level ransomware simulations with legal and comms teams.

6. CERT-In & regulator readiness

6-hour reporting playbook with pre-approved templates.

7. Recovery runbook

Documented, rehearsed, versioned. Executed in hours, not days.

ransomware incident-response banking