Cyber resilience is an organization’s ability to prepare for, withstand, respond to and recover from cyberattacks and other serious IT disruptions while keeping its most important operations running. It starts from the realistic assumption that some attacks will get through, however good the defenses, and asks a different question from prevention alone: when something goes wrong, how quickly can the business keep working and get back to normal? It combines security, backup and recovery, incident response and business continuity planning.
At a glance
- Cyber resilience assumes some incidents will succeed and plans for continuing and recovering, not only preventing.
- It brings together security controls, protected backups, incident response, disaster recovery and continuity planning.
- Recovery targets are set by the business: how long each process can be down and how much data it can lose.
- Regular testing, through restore tests and exercises, shows whether those targets can actually be met.
- Boards, insurers and larger customers increasingly ask about recovery capabilities as well as defenses.
What problem it solves
Many companies have invested in prevention, with firewalls, endpoint protection and email filtering, yet have never tested what happens when those controls fail. Ransomware made the gap obvious: attackers increasingly target backups as well as production systems, encrypt or delete them, and leave companies choosing between paying and rebuilding from scratch. Even organizations with backups sometimes find recovery takes weeks because nobody planned the order of restoration, the identity system needed first was also compromised, or the people who knew the process were unavailable.
Cyber resilience shifts the focus to outcomes the business cares about: which operations must keep running, how long they can be unavailable, and what it takes to restore them. It gives leaders a way to discuss cyber risk in terms of downtime and recovery rather than tool lists, and gives IT a framework for deciding where to invest beyond prevention.
How it works
Identify what matters most. Work with business leaders to list critical processes and the systems and data they depend on. For each, agree how long it can be down and how much data loss is tolerable.
Protect and detect. Security controls reduce how often incidents happen and how far they spread, and monitoring catches them sooner. These remain the foundation of cybersecurity and of an organization’s security posture.
Withstand. Design critical systems so a single failure doesn’t stop them, using measures such as high availability (HA), segmentation that limits spread, and manual workarounds for key processes.
Respond. An incident response (IR) plan defines who decides what, how to contain an attack, how to communicate with staff, customers and regulators, and when to call outside experts or the insurer.
Recover. Protected backups, including copies that attackers can’t easily alter or delete, plus documented and tested recovery procedures restore systems in the right order. Services such as disaster recovery as a service (DRaaS) can provide standby environments to run critical systems while the main environment is rebuilt.
Test and improve. Restore tests, tabletop exercises and lessons from real incidents show where plans fall short, and plans are updated as the business and its systems change.
When it matters for buyers
- When the board asks how prepared the company is. Resilience frames the answer in recovery times and tested capabilities.
- When cyber insurance renews. Insurers often ask about backup protection, testing and incident response plans as well as preventive controls.
- When reviewing backup and disaster recovery. Check that backups are protected from attackers and that recovery has been tested at realistic scale.
- When customers require it. Larger customers and regulated sectors increasingly ask suppliers about continuity and recovery.
- After a peer company suffers a long outage. It’s a prompt to test your own recovery assumptions.
Our backup as a service overview covers protected, off-site backups that underpin recovery.
Questions to ask vendors
- How are backups protected from deletion or encryption by an attacker with administrator access?
- How quickly can you restore our critical systems at full scale, and when was that last tested?
- In what order would systems be recovered, and who decides?
- What incident response support is included, and how fast can your team engage?
- Can you run our critical workloads in a standby environment during recovery, and at what cost?
- What reports or test results can we share with our board, insurer or customers?
How it differs from cybersecurity
Cybersecurity covers the controls and practices that protect systems and data from attack, with most attention on preventing and detecting threats. Cyber resilience is a broader goal: keeping the business operating and recovering when protection fails, whether the cause is an attack, a major outage or a mistake. It includes cybersecurity but adds business continuity, disaster recovery, incident response and regular testing. In practice, a company can have strong security tools and still be poorly resilient if it has never tested how it would recover.