5 Ways to Build Ransomware-Resilient Security, From Detection to Recovery

Ransomware remains one of Canada’s most significant cyberthreats because of a few hard-to-change structural realities, as described below.

The rapid adoption of cloud services across Canada has given rise to a distributed IT environment. This includes cloud platforms, SaaS applications, remote endpoints and operational technology.

Each expansion increases the attack surface and introduces visibility gaps. Cyberattackers can actively capitalize on misconfigurations, exposed credentials and unsecured endpoints to gain access at scale, often without triggering immediate alarms.

Critical business functions, from banking and healthcare delivery to supply chains and payroll, now experience a high degree of digitization. When ransomware disrupts these systems, the impact is immediate and costly.

This dependency creates strong pressure to restore operations quickly, sometimes leaving organizations weighing business continuity risks against payment decisions or accelerated recovery timelines.

While advanced tools exist, many organizations still need assistance with key security gaps. These range from inconsistent identity governance and weak network segmentation to incomplete endpoint hygiene and limited third‑party oversight.

Attackers systematically exploit these gaps to move laterally, escalate privileges and evade controls. Until these core issues are addressed consistently, ransomware groups may continue to find reliable paths to impact.

Sophisticated ransomware attacks are often designed to bypass standard security measures, expanding their impact. This five-point strategy shows how an attack can be intercepted successfully.

Ransomware attacks rarely begin with a single point of failure. Instead, they exploit multiple entry paths across the IT environment.

The most common starting point remains email, where phishing and social engineering attacks trick users into sharing credentials or downloading malicious files. These attacks can also extend beyond email into voice, SMS and QR-based tactics.

Despite increased investment in cybersecurity, many organizations remain vulnerable due to fragmented security strategies. IT environments with too many disconnected tools may create gaps that attackers can exploit.

Our partners at Barracuda take an integrated approach to ransomware defence, focused on stopping attacks at the earliest stages before they can gain a foothold.

By combining  capabilities across email security, application protection, zero-trust access and extended detection and response (XDR), their BarracudaONE platform addresses the full spectrum of initial attack vectors while improving visibility across the environment.

Barracuda also offers solutions like Barracuda Email Protection, Barracuda Application Protection and Barracuda Managed XDR for ransomware prevention use cases.

This helps organizations identify suspicious activity early, such as credential misuse or lateral movement, and contain threats before they escalate into full ransomware incidents.

• Reduced attack surface: Protects high-risk entry points including email, applications and user access with integrated controls.
• Faster threat detection and response: Identifies suspicious behaviour early and enables rapid containment before damage spreads.
• Improved security visibility: Correlates signals across tools and environments to eliminate blind spots caused by fragmented systems.

Ransomware attackers typically focus on high-value systems and pathways that allow for rapid lateral movement across networks.

Once inside, the malware is designed to propagate across endpoints and infrastructure such as file servers, database systems and shared network drives. This enables attackers to maximise impact by encrypting critical business data at scale.

But Canadian organizations are getting better at detecting these threats. As per the Canadian Cybersecurity Study, average detection time fell from 7.1 days in 2023 to 4.8 days in 2026, a 32 percent improvement.

Despite these advances, organizations may still struggle to contain ransomware because attackers move faster than traditional detection and response processes. And when security investments are reactive rather than proactive, an organization might not have sufficient coordination and incident response.

Ransomware solutions from our cybersecurity partners at Trellix approach this challenge through an integrated security model. They focus on identifying threats early, limiting lateral movement and enabling faster remediation across the environment.

At the core, the Trellix Endpoint Security (ENS) and Trellix Endpoint Detection and Response (EDR) solutions use behavioural analytics and machine learning to detect suspicious patterns such as unusual file encryption activity, privilege escalation or lateral movement.

These insights are enriched with real-time threat intelligence, helping security teams distinguish between benign anomalies and genuine threats with higher accuracy.

• Reduced lateral movement: Limits the ability of attackers to spread across endpoints, servers and cloud environments.
• Integrated visibility: Provides a unified view across security layers, improving response coordination.
• Improved resilience: Helps organizations defend against evolving ransomware variants and techniques with adaptive security controls.

Modern ransomware attacks increasingly rely on advanced tactics that encrypt data while simultaneously exfiltrating sensitive information. This approach can even impact organizations that already have backups.

A common challenge for IT teams is the over-reliance on perimeter-based security. Traditional defences, such as firewalls and signature-based tools, are not designed for today’s hybrid IT environments, where attackers can bypass boundaries.

Additionally, security teams often face alert fatigue from disconnected tools, making it difficult to identify real threats in time.

Our partners at Arctic Wolf take a detection-based approach that focuses on stopping ransomware before it reaches the encryption stage. Their model combines continuous monitoring, AI-led threat analysis and guided incident response to identify and contain threats.

The Arctic Wolf Aurora Superintelligence Platform aggregates telemetry across endpoints, networks, identity systems and cloud environments to provide holistic visibility.

Security events are analyzed and correlated through a central platform, where expert teams validate alerts, prioritize real threats and initiate rapid containment actions.

In the event of an active attack, incident response teams step in to isolate affected systems, remove attacker access and guide recovery.

• Continuous detection: 24×7 monitoring and expert analysis reduce attacker dwell time.
• Reduced operational burden: Centralized visibility and alert triage minimize tool sprawl and alert fatigue.
• Effective threat containment: Rapid isolation and guided response limit lateral movement and damage.

The same ransomware that affects IT systems can affect backup data as well, which is often the last resort for organizations to recover from such an attack.

Without clean, accessible backups, organizations may be forced into difficult decisions, including paying ransom demands or accepting prolonged outages.

Despite having backup strategies in place, many IT organizations may struggle to safeguard backup data once ransomware is active. They may lack strong access controls, immutability and isolation, making their data backups vulnerable to encryption too.

Our partners at Rubrik approach backup security through a zero-trust data security model, assuming that breaches are inevitable. Their Rubrik Zero Trust Data Security platform focuses on making backup data immutable and inaccessible to unauthorized users with continuous monitoring.

The solution has an architecture that prevents backup data from being modified, deleted or encrypted by attackers. Data is stored in a purpose-built filesystem that prevents modification or deletion and limits exposure via network access, creating a logical air gap.

At the same time, multifactor authentication and role-based access ensure attackers can’t breach the backup data. The Rubrik Security Cloud platform also analyses backup data and metadata to detect unusual patterns, including signs of encryption activity.

• Resilient recovery assurance: Immutable backups ensure a clean recovery point is always available, reducing reliance on ransom payments.
• Isolated backups: Logical air-gapping and restricted access prevent attackers from discovering or compromising backup data.
• Ensure backups stay clean: Machine-learning-driven anomaly detection enables earlier identification of ransomware activity.

Recovery is often the most complex phase of a ransomware incident because traditional backup strategies may not be able to handle sophisticated attacks. Many organizations discover too late that their backups are either encrypted, corrupted or unreliable.

Another major challenge is the absence of an isolated recovery environment. Without separation from the production network, recovery efforts risk reinfection.

In many cases, IT teams must manually investigate which systems and data were impacted, which can slow down decision-making and increase downtime.

Our partners at Dell Technologies provide a recovery approach centred around an isolated vault environment combined with advanced analytics.

Solutions such as PowerProtect Cyber Recovery with CyberSense are designed to create a secure, air-gapped environment where critical backup data is stored, validated and protected from ransomware attacks.

Backup data is replicated into a secure cyber recovery vault where retention controls prevent unauthorized changes. Within this vault, CyberSense analyzes data over time to detect anomalies such as encryption patterns, mass deletions or suspicious changes.

• Isolated recovery environment: Keeps critical backup data protected from production network threats, reducing the risk of reinfection.
• Data integrity validation: AI-powered analytics detect even subtle corruption in data, beyond simple metadata checks.
• Precise recovery: Identifies the last known clean backup and reduces guesswork during restoration.

Protecting against a ransomware attack requires a coordinated strategy across prevention, detection, containment and recovery.

CDW Canada brings this together by combining industry partnerships with hands-on expertise to design security architectures tailored to your organization’s risk profile. By working with leading cybersecurity vendors, CDW Canada helps organizations implement layered defences that reduce exposure to ransomware threats.