Spot threats early. Act fast. Protect your business.

A cyber incident can happen at any time — but it’s how quickly and effectively you respond that determines the impact.

At LeftBrain, we help you detect, investigate and respond to incidents in real time. From phishing reports to endpoint alerts, we use smart tooling and expert analysis to keep your systems safe and your team focused.

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What is incident detection and response?

Incident detection and response (IDR) is the process of monitoring your systems, identifying signs of malicious activity and taking fast, structured action when something goes wrong.

This includes:

• Monitoring for suspicious behaviour or policy violations
• Alerting the right people when something needs attention
• Investigating the cause and scope of the threat
• Containing or stopping the incident
• Identifying how to prevent it from happening again

Done well, IDR protects your people, your data and your business continuity.

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Why it matters

No system is perfect. And no team can watch everything at once.

That’s why detection and response is critical.

Without it, you risk:

• Malware spreading across systems without warning
• Suspicious logins going unnoticed
• Phishing emails reaching inboxes with no reporting path
• Data leaks that no one realises have happened
• Slower responses that increase the damage

The faster you detect and respond, the less harm is done.

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What we monitor

LeftBrain provides multiple layers of incident detection across your infrastructure.

Endpoint detection and response (EDR)

We deploy advanced endpoint protection tools that detect:

• Malware and ransomware activity
• Suspicious file downloads
• Unusual processes or command-line activity
• External access attempts

These tools go beyond antivirus by monitoring behaviour and context, not just known threats.

Security information and event management (SIEM)

Our SIEM tools monitor activity across your cloud services and infrastructure, including:

• Login attempts and access patterns
• Unusual activity in platforms like Google Workspace or Microsoft 365
• Identity and access misuses
• API calls or cloud misconfigurations

SIEM provides a high-level view of everything happening in your environment.

Phishing email reporting

We set up reporting systems for staff to flag suspicious emails.

This lets us respond quickly and also improves detection accuracy over time.

Network and identity alerts

We monitor and review activity from:

• VPNs and firewalls
• SaaS and identity providers
• DNS filtering systems
• Cloud dashboards and admin panels

Every source of data gives us more signal to detect issues early.

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Our response process

When an incident is detected, we follow a clear response process to contain and resolve it quickly.

Step 1: Investigate

We gather data from all available tools to determine:

• What triggered the alert
• Whether it is a false positive or genuine threat
• What systems or users are affected
• How the threat is spreading or escalating

Step 2: Contain

We work to isolate the threat as fast as possible. That may include:

• Locking user accounts
• Quarantining devices
• Blocking IPs or access attempts
• Removing malicious files or links

Step 3: Eradicate and recover

We clean affected systems, restore files where needed and ensure that the attack cannot continue.

Step 4: Learn and improve

We review what happened, how it was detected and what can be done to prevent it in future.

This may include new controls, improved training or configuration changes.

We keep documentation for every step, helping you stay compliant and audit-ready.

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Common scenarios we handle

• Malware detected on a user laptop
• Phishing email reported by a staff member
• Suspicious login from an unusual country
• Unauthorised data download from cloud storage
• Brute-force attacks on user accounts
• Ransomware attempts blocked by endpoint tools
• File sharing settings misconfigured by accident

We act quickly, keep you informed and help you recover smoothly.

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What this unlocks for your business

For IT and security leads

• Faster detection and less time spent chasing false positives
• Clear logs and documentation for every incident
• A process you can rely on, even in high-stress situations

For leadership and compliance

• Lower risk of business disruption
• Aligned with ISO 27001 and Cyber Essentials requirements
• Support for insurance claims and incident response documentation

For your team

• Confidence that someone is watching out for them
• A way to report threats without fear or delay
• Fewer disruptions from false alarms or unhandled issues

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Why LeftBrain

We combine the right tools with human expertise.

We do not just send alerts — we act on them.

You get:

• Fully managed detection across endpoints, cloud and identity systems
• Clear escalation paths and fast response
• Investigation and root cause analysis
• Documentation for internal learning and external reporting

“I’ve worked with LeftBrain for many years. The team really understands our working environment and does a great job of recommending what we need, when we need it. They resolve issues pretty darn quickly!”