A Recovery Guide to Ransomware: Crucial Questions Answered
Lewis Fairburn
Head of Marketing
Immediate Steps to Recover From a Ransomware Attack
Key recovery steps include:
Identify the point of entry – Determine how attackers gained access (e.g., phishing, compromised credentials, exploited vulnerabilities) and begin a forensic investigation to understand the ransomware variant and whether data was stolen.
Assess the scope of the attack – Establish which systems are affected, whether data was exfiltrated, and if attackers still have access. Consider any regulatory reporting requirements.
Isolate impacted systems immediately – Disconnect infected devices from networks and cloud services to prevent further spread or data loss.
Engage cybersecurity specialists – Incident response experts can analyse the attack, assess damage, support regulatory obligations, and identify possible recovery tools.
Eradicate the threat fully – Remove malware, reset credentials, patch vulnerabilities, and strengthen monitoring before restoring systems to avoid reinfection.
Restore from secure backups – Recover data using verified, immutable or offline backups, prioritising critical systems and closely monitoring for ongoing threats.
What Should Companies Do if They Have Been Attacked With Ransomware?
If a company falls victim to a ransomware attack, immediate action must be taken to mitigate the damage. Here are the crucial steps that organisations should follow in such situations:
1. Assess the Damage
Identify:
Impacted systems and business functions
Encrypted data
Exfiltrated information
Regulatory exposure
Third-party risk
This assessment informs executive decision-making and legal obligations.
2. Notify Relevant Authorities
In 2026, reporting obligations are stricter than ever.
Depending on your region and industry, you may need to notify:
Law enforcement
Data protection authorities
Industry regulators
Cyber insurers
Legal counsel
Early reporting demonstrates due diligence and can reduce penalties.
3. Contain and Isolate
Immediately isolate infected devices and segments of the network to stop further spread.
Segmented networks and zero-trust architecture significantly reduce impact.
4. Restore Using Verified Backups
Use:
Immutable backups
Offline backups
Cloud recovery solutions with versioning
Never restore from backups without first confirming they are not compromised.
5. Communicate Transparently
Clear communication is essential.
Inform:
Customers
Partners
Investors
Employees
Provide accurate information about:
What happened
What data may be affected
Actions being taken
Expected service impact
How Long Does it Take to Recover From Ransomware?
Recovery time in 2026 varies significantly depending on preparedness.
On average:
Small, contained incidents: Several days
Moderate enterprise incidents: 2–4 weeks
Major enterprise-wide attacks: 1–3 months
Key factors affecting recovery time:
Incident detection speed
Quality of backups
Network segmentation
Availability of an incident response plan
Whether data was exfiltrated
Regulatory investigation requirements
Organisations with tested incident response and disaster recovery plans recover substantially faster.
Best Practices for Ransomware Recovery in 2026
Preparation
Maintain an up-to-date incident response plan
Conduct tabletop ransomware simulations
Maintain immutable backups
Implement least privilege access
Deploy multi-factor authentication (MFA)
Patch vulnerabilities promptly
Prevention
Use endpoint detection and response (EDR/XDR)
Implement email security filtering
Adopt zero-trust architecture
Monitor privileged accounts
Segment critical infrastructure
Detection
Early detection is critical.
Organisations should deploy:
24/7 monitoring
Security Information and Event Management (SIEM)
Behavioural analytics
Threat intelligence integration
The faster ransomware is detected, the smaller the impact.
Assessment
After containment:
Conduct a full forensic review
Identify root cause
Assess data exposure
Review control failures
Document lessons learned
This strengthens future resilience.
Recovery
Recovery depends on:
A well-rehearsed disaster recovery plan
Clean, tested backups
Coordinated executive decision-making
Clear communication strategy
Average downtime globally now ranges between 10–25 days depending on preparedness and complexity.
Key Elements of an Effective Ransomware Recovery Plan
1. Clearly Defined Incident Response Roles
A ransomware response must not rely on improvisation. Roles and responsibilities should be predefined and documented.
Your plan should clearly identify:
Incident Response Lead – Oversees technical containment and eradication
Executive Sponsor – Makes high-level risk and business decisions
IT & Security Teams – Handle isolation, forensic investigation, and restoration
Legal & Compliance – Manage regulatory obligations and legal risk
Communications Lead – Coordinates internal and external messaging
HR – Supports employee communications if required
Clear role allocation prevents confusion, reduces delays, and avoids conflicting decisions during high-pressure situations.
2. Backup and Recovery Procedures
Backups remain the most critical technical safeguard against ransomware.
An effective plan should include:
Immutable or air-gapped backups
Clearly defined Recovery Time Objectives (RTOs) and Recovery Point Objectives (RPOs)
Regularly tested restoration procedures
Prioritised restoration order for critical systems
Backup integrity verification processes
Backups should be tested at least annually (preferably quarterly) to ensure they can be restored under real-world conditions.
3. Legal and Regulatory Reporting Processes
Regulatory requirements in 2026 are stricter than ever. Depending on jurisdiction and industry, organisations may need to report incidents within strict timeframes.
The recovery plan should define:
When to notify data protection authorities (e.g., GDPR requirements)
A recovery plan should align with preventative controls such as:
Segmented network environments
Privileged access management (PAM)
Zero trust architecture principles
Multi-factor authentication (MFA)
Restricted administrative privileges
Well-segmented networks prevent attackers from moving laterally and limit the blast radius of an incident.
7. Third-Party Risk Assessment
Many ransomware attacks originate through third-party suppliers or managed service providers.
Your recovery plan should address:
Vendor notification requirements
Access revocation procedures
Third-party forensic coordination
Contractual breach notification clauses
Supply chain visibility
Organisations must understand which suppliers have access to sensitive systems and how to disable that access quickly if required.
8. Business Continuity Alignment
Ransomware recovery should align with the organisation’s broader Business Continuity Plan (BCP).
This includes:
Identification of critical business functions
Manual workarounds during downtime
Alternative communication channels
Contingency service delivery methods
Executive decision-making frameworks
Technical recovery alone is not enough — the business must continue operating wherever possible.
Final Consideration
In 2026, ransomware is a board-level risk. An effective recovery plan integrates cybersecurity, legal, operational, and strategic leadership functions.
Organisations that rehearse their ransomware response through tabletop exercises and simulations are significantly better prepared to minimise downtime, regulatory penalties, and reputational damage.
Frequently Asked Questions
Is paying the ransom recommended?
Paying the ransom is strongly discouraged.
There is:
No guarantee of file recovery
No guarantee stolen data will not be published
Risk of funding criminal activity
Risk of becoming a repeat target
Recovery should prioritise containment, eradication, and secure restoration.
What is the role of the IT and security team?
The IT and security teams are responsible for:
Containment and isolation
Forensic coordination
System restoration
Credential resets
Security hardening
Post-incident review
Pentest People offers a Ransomware Defence Assessment to help your business put the right steps in place, correct processes and strategies to defend against future attacks and support you in the event of a breach. Contact us today to see how we can help.