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The Biggest Mistakes Businesses Make After a Cyber Attack on top of a man sitting on an ipad
Libby King

By: Libby King on April 22nd, 2026

The Biggest Mistakes Businesses Make After a Cyber Attack

Recovering from a cyberattack doesn’t mean the risk is gone. This article outlines common post‑cyberattack mistakes, explains the difference between cyber attack recovery and resilience, and shares practical steps businesses can take to prevent repeat attacks.

After a cyberattack when systems are restored and day‑to‑day operations are back on track, it’s natural for organizations to want to move on. The disruption is over, customers are reassured, and leadership is eager to return to business as usual.

This moment is also when many businesses make their biggest mistakes. Assuming the danger has passed and won’t return can create a false sense of security, especially if the issues that allowed the attack in the first place haven’t been fully addressed.

This blog explores the most common mistakes businesses make after a cyberattack, explains the difference between recovery and resilience, and outlines practical steps organizations can take to reduce the risk of being targeted again.

Common Mistakes Businesses Make After a Cyberattack

1. Assuming Attackers Act Alone

Cybercriminals don’t operate in isolation. Ransomware groups, fraud rings, and access brokers regularly exchange information about organizations that have already been breached. If a company is known to:

  • Have paid a ransom
  • Lack strong security controls
  • Take a long time to detect intrusions

That information can spread quickly. To attackers, a previously compromised organization looks like a proven opportunity. Without addressing this risk during cyber attack recovery, businesses may unknowingly increase their chances of being targeted a second time.

2. Mistaking Recovery for Resolution

After an incident, many organizations equate “systems are back online” with “the problem is solved.” While restoring operations is critical, it doesn’t guarantee attackers no longer have access.

When cyber attack recovery is treated as the finish line:

  • Compromised credentials may remain active
  • Persistence mechanisms may go undetected
  • Security gaps identified during the incident may never be fully addressed

This false sense of security creates an ideal window for attackers to return.

3. Failing to Fully Address Root Causes

One of the most costly mistakes businesses make after a cyberattack is focusing on restoring systems without fully fixing how the attack happened in the first place. When the underlying issues aren’t addressed during recovery, it sends a clear message to attackers: the door may still be open.

4. Failing to Update Incident Response and Disaster Recovery Plans

Many organizations have IRP and DRP documents but don’t update them after a real‑world incident.

When plans aren’t revised:

  • The same delays and confusion repeat
  • Recovery assumptions remain unrealistic
  • Lessons learned during the incident are lost over time

A cyberattack provides valuable insight into what worked and what didn’t. Ignoring that insight is a missed opportunity to reduce future risk.

Understanding the Difference between Recovery and Resilience

Recovery means restoring systems and data after an incident.

Resilience means reducing the likelihood and impact of future attacks.

Why Cyber Attack Recovery Alone Isn’t Enough

The cost of one cyberattack adds up quickly between disrupted operations, damaged reputations, rising insurance costs, and growing regulatory pressure. Now imagine the cost of back to back cyber attacks.

Recovery restores systems, but resilience must follow. Organizations must make plans that assume another attack is possible and act on that assumption are far better positioned to prevent repeated incidents and limit future damage.

How to Prevent Another Cyber Attack

Resilience doesn’t start with new tools or long‑term planning. It starts by closing the exact gap attackers used to get in.

Step 1: Patch and Remove the Point of Entry

Before anything else, organizations must eliminate the access that enabled the attack.

This often includes:

  • Patching the specific vulnerability that was exploited
  • Resetting compromised credentials across the environment
  • Securing or disabling exposed remote access tools
  • Removing unnecessary or over‑privileged user access

If the original entry point remains open, attackers can and will return.

Step 2: Reduce Future Risk Through Stronger Security

Once immediate access issues are closed the next step is ensuring the right security capabilities are in place to support those plans long‑term.

After a cyber attack is a great time to re-evaluate whether existing security tools, processes, and staffing are sufficient to prevent a repeat cyber attack. If they aren’t, investing in outsourced help may be something to look into.

Security Service

Why Expand Your Security Stack

Co‑managed or outsourced support

Partnering with a managed service provider can help improve monitoring, response, and follow‑through especially when internal resources are limited.

Security assessments

Using penetration testing and network assessments helps organizations identify how attackers gained access, uncover security gaps that may still exist after recovery, and reduce the risk of the same weaknesses being exploited again.

Backup and recovery services

Outsourced backup and recovery services provide reliable, regularly tested backups that many internal teams struggle to maintain consistently. They help create strong tested disaster recovery and incident response plans turning a crisis into a manageable disruption.

Stronger access and identity controls

Approaches like Zero Trust help limit what attackers can do if credentials are compromised by verifying access continuously and restricting permissions to what’s necessary.

The goal isn’t to spend more money, it’s to ensure security investments align with the lessons learned from the attack and support a more resilient response moving forward.

Step 3: Update Incident Response and Disaster Recovery Plans

Once immediate risk is reduced, and you look at your options for better security organizations should revisit their Incident Response Plan (IRP) and Disaster Recovery Plan (DRP) using lessons from the attack. Whether from a service provider or in-house team this means:

  • Clarifying roles, escalation paths, and decision‑making during an incident
  • Improving detection and response timelines
  • Ensuring systems are validated and secure before being restored
  • Prioritizing critical systems rather than restoring everything at once
  • Making sure the plan is up to date regularly

Planning for the Next Cyber Attack

Restoring systems after a cyberattack is necessary, but it doesn’t mean the risk is gone. Repeat attacks are common when the access points, credentials, and process gaps that enabled the first incident aren’t fully addressed.

Strong resilience is built after recovery. It starts with closing the point of entry, then strengthening your security practices, then updating your cyber attack recovery plan based on what actually happened.

Planning for the next cyberattack means assuming it can happen again and preparing accordingly. Organizations that move beyond recovery and invest in resilience are far better positioned to limit damage, reduce downtime, and avoid repeat incidents.

Organizations that want to avoid repeat attacks need to look beyond recovery and focus on resilience. MSPs like Usherwood help organizations identify how attackers got in, close lingering security gaps, and reduce the risk of future incidents through improved access controls, monitoring, and incident response planning. If you want a strong security partner, fill out the security evaluation below.

Get a Tech Evaluation

Frequently Asked Questions

How common are repeat cyber attacks?
56% of organizations have experienced more than one ransomware attack within 24 months. 78% of organizations that paid a ransom were attacked again, sometimes by the same threat actor and sometimes by a different one. This makes repeat attacks common and emphasizes the importance of strengthening your security before an attack happens. 
 
Why do cyberattacks often happen more than once?
Repeat cyberattacks are common because attackers share information, reuse successful access paths, and target organizations that haven’t fully addressed the weaknesses from the first incident. If root causes remain unresolved, attackers see returning as low effort and low risk.
 
How can MSPs and outsourced security help after a cyberattack?
MSPs and outsourced security providers help businesses close gaps left after a cyberattack by improving monitoring, response, backup, and cyber attack recovery without overloading internal teams. Services like Managed IT, Co-managed IT, Pen testing, disaster recovery providers, and cybersecurity services all help prevent future cyber attacks. 

About Libby King

Libby King is Usherwood's Digital Content Specialist. Libby supports the creation and execution of digital content across Usherwood’s marketing channels.