Your ransomware recovery plan has a gap. This guide closes it.
Immutable backups and a tested recovery plan matter. What determines how much you need to recover and how long it takes is the state of your Active Directory before the attack lands.
Download the Executive Guide to Identity-Led Ransomware Defence in India. A 90-day blueprint for CISOs, CIOs, and IT Operations leaders who need to reduce blast radius, meet CERT-In obligations, and govern identity risk before an incident forces the question.
The Metric Your Ransomware Recovery Plan Is Missing
Time-To-Domain-Dominance (TTDD): how long it takes an attacker, from a single compromised account, to achieve full Active Directory control in your environment.
In unprotected estates, it is hours. One manufacturing group documented in this guide went from a phished IT administrator to domain authority in under four hours.
Ransomware recovery took three weeks, not because the backups weren't there, but because by then the attacker had touched everything they were protecting.
TTDD is measurable, reducible, and trackable quarterly. It belongs on a risk dashboard, not in an IT hygiene report.
Five Questions That Reveal Your Real Ransomware Exposure
If your security team cannot answer these with measured data, not policy documentation, but data, this guide addresses each one directly.
- What is your current estimated Time-To-Domain-Dominance?
- How many privilege escalation paths exist from a standard user account to Domain Admin?
- Has your KRBTGT account been dual-rotated and validated in the last 12 months?
- Are your domain controllers isolated from general-purpose networks?
- If ransomware encrypted your corporate domain tonight, which plant or OT systems would be unreachable by morning?
Two or more unknowns means identity risk is not measurable at governance level — which directly affects your ransomware containment capability, your backup restore timeline, and the accuracy of any CERT-In notification.
What's Inside
Identity Blast Radius Model: Attack path graph modelling, escalation density measurement, and how to quantify your blast radius before an incident forces the question.
Active Directory and Kerberos Hardening: Privilege inheritance, delegation abuse, Kerberoasting, Golden Ticket persistence, KRBTGT rotation, and a Kerberos maturity model with XDR integration at Level 3.
Domain Controller Isolation and Backup Trust Separation: Tier 0/1/2 segmentation and the structural flaw in most ransomware disaster recovery plans: backup admin credentials inside the same AD trust boundary as production. A clean backup restore test does not tell you what your actual post-incident recovery timeline looks like if that boundary hasn't been validated.
Manufacturing and IT/OT Overlay: A Southern India pharmaceutical manufacturer: one unreviewed vendor credential bridged corporate AD compromise to plant MES shutdown across four facilities. Vendor Identity Risk Index (VIRI) framework included.
India Regulatory Obligations: CERT-In's 6-hour window, DPDP Act breach notification, RBI privileged access management requirements, and SEBI obligations, mapped to identity control posture, not compliance checklists.
90-Day Hardening Blueprint: Exposure quantification, structural remediation (delegation removal, DC isolation, Secure Endpoint and Secure Firewall integration), then simulation and validation: Golden Ticket exercise, backup compromise drill, post-hardening TTDD recalculation.
Board-Level Diagnostic: Yes/No/Unknown self-assessment across escalation density, Kerberos governance, DC exposure, manufacturing segmentation, and TTDD visibility. Built for executive discussion.
The Regulatory Problem Is Specific to India
CERT-In requires notification within six hours. When domain dominance has been achieved, scoping an accurate notification is close to impossible - the attacker had policy-level control, which means forensic reconstruction of what was accessed is speculative. Enterprises end up choosing between under-reporting and over-reporting, both carrying regulatory risk.
The DPDP Act makes it structurally difficult to confirm whether personal data systems were accessed without visibility into attacker traversal paths. RBI mandates privileged access management controls. SEBI imposes parallel obligations on market infrastructure institutions.
Identity hardening is not a compliance activity. It is what makes compliance achievable when ransomware recovery is already underway.
How Cisco Supports the Framework
Cisco XDR provides the cross-telemetry correlation that the guide identifies as essential for extending effective TTDD - Kerberos event anomalies, LSASS access events from Cisco Secure Endpoint, and cross-boundary movement from Cisco Secure Firewall, correlated rather than siloed.
Recovery Readiness Services address backup trust separation directly: validating whether backup administrative credentials are genuinely outside the production domain - the test that determines whether your ransomware backup restore results reflect your actual post-incident position.
Download
The Executive Guide to Identity-Led Ransomware Defence in India
Reducing Active Directory and Kerberos Blast Radius Before Encryption Begins
