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Our Case Studies
See below some of the emergency issues our team has solved in the past
RDS database slow - storage layer
In this case study we explore a problem where we tackled performance issues plaguing an enterprise application responsible for processing...
CRM application - PHP memory exhaustion
This case outlines a failure encountered in a CRM web application where weekly analytics reports consistently failed to generate while...
Security incident - firewall warning
This case covers the investigation of a potential security incident involving a publicly accessible web application used for handling...
Random pod failures - zone affinity
This case involves a Kubernetes platform running on AWS, hosting a suite of microservices that had been deployed over a year earlier by a...
Old Kubernetes upgrade
This case focuses on the upgrade of an ageing Kubernetes cluster running on AWS EKS. The cluster had been originally deployed by...
Disaster recovery - disgruntled employee
Security risks to enterprise systems are not limited to external attackers. As organisations scale, increased headcount and staff...
Random latency - Cron job
In many web architectures, traffic is distributed across multiple application servers via a load balancer. A common strategy is the...
VPN tunnel not working
VPN tunnels are often among the most difficult infrastructure components to troubleshoot. This is primarily because they require...
Lost SSH key - employee left
One common risk in infrastructure management arises when staff depart without completing a proper handover. This can include critical...
AWS Control Tower Upgrade
A client had been operating with an AWS Landing Zone solution that was implemented several years earlier by a third-party provider. As...
FTP servers extremely slow
A client operating a Linux-based environment that hosted both FTP and SFTP services began experiencing significant and growing latency....
Website down - EFS credits
Amazon EFS is a network file system frequently used in web server environments where multiple instances need access to shared storage. In...
Servers failing to launch
A client operating an AWS Landing Zone encountered an issue where EC2 instances within an auto-scaling group consistently failed to...
AWS root credentials compromised - €30k bill
A new client reached out in a state of urgency after discovering several unusually large EC2 instances running in their AWS environment....
Broken prod autoscaling
A client experienced a critical issue in their AWS environment where their auto-scaling group stopped producing healthy instances. As a...
Dev created AWS account - best practices implemented
It is common to see early-stage applications running in AWS environments that were originally set up by the same developers who built the...
34% reduction - AWS Cost optimisation
As AWS environments grow organically over time, many organisations accumulate inefficiencies that go unnoticed until spending becomes a...
All environments down - external dependency
A client contacted us following a severe incident in which all of their web applications went offline - across development, staging, and...
DNS failures - CICD on Kubernetes
A software development company reached out with a persistent issue affecting their continuous integration pipelines. The client managed...
Storage bottleneck, website down
A client approached us with a recurring issue: their website would become slow or entirely unresponsive during marketing campaigns. These...
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