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Case Studies

Proactive IT, Caught in the Act

The best IT stories are the ones that never became emergencies. Here's a look at the quiet saves – problems spotted and fixed before anyone noticed – alongside a client relationship that's lasted more than a decade.

Anatomy of a Prevented Crash

The Problems You Never Heard About

Each of these started as a quiet alert on our monitoring. None of them became an outage. The examples are anonymised, but the pattern is exactly how proactive support is meant to work.

The Backup That Would Have Failed

A monitoring alert flagged a server quietly running low on disk space – the kind of thing that silently breaks the nightly backup. Tanglin cleared the space and restored headroom before that night's backup ran. The client's data stayed protected, and they never knew there'd been a risk.

Caught: low disk space · Prevented: a failed backup

The Threat Stopped at One Machine

SentinelOne detected suspicious behaviour on a single workstation and automatically isolated it from the network in real time. The activity was contained to one device instead of spreading, and the machine was cleaned and returned to service – with the rest of the business none the wiser.

Caught: malicious behaviour · Prevented: a network-wide incident

The Drive on Its Way Out

Hardware monitoring picked up the early warning signs of a failing disk well before it gave out. The drive was replaced as planned maintenance, during quiet hours, instead of failing mid-week and taking a server down with it. A potential emergency became a routine swap.

Caught: early disk failure · Prevented: unplanned downtime

The Remote Site Kept Running

Because Tanglin's monitoring isn't tied to one office, a performance issue on a server supporting a distributed team was spotted and resolved remotely – before the people relying on it started their day. Distance is no obstacle when the watching happens centrally.

Caught: server performance · Prevented: a lost morning's work

The Patch Applied Before the Exploit

A critical security update was rolled out automatically across the fleet as part of routine patching, closing a known vulnerability before it could be targeted. No staff action, no downtime, no window left open for attackers – just maintenance, handled quietly.

Caught: an open vulnerability · Prevented: a security breach

The Mailbox That Came Back

When a departing staff member's Microsoft 365 data was needed weeks after they'd left, it was still there – restored from Tanglin's backup to the exact point required. Microsoft doesn't keep that data for you; because Tanglin does, what could have been a permanent loss was a quick recovery.

Caught: data loss risk · Prevented: gone-for-good records

Illustrative examples based on the kind of alerts our monitoring resolves routinely. Specifics are anonymised; the outcomes are typical of proactive, fixed-fee managed IT.

In Depth

Full Client Stories

Motorhome Rental Company

  • IndustryMotorhome & campervan rental
  • LocationsMultiple branches nationwide
  • RelationshipSole IT partner, 20+ years
  • FlagshipOnline booking & fleet platform
  • ServicesCustom development, infrastructure, security, DR
Case Study

From Fax Machines to a World-Class Booking Platform

How Tanglin rebuilt a paper-and-whiteboard motorhome rental business into a real-time, 24/7 online booking and fleet management system powered by a world-first scheduling algorithm. Anonymised at the client's request.

Read the full case study

Engineering & Surveying Firm

  • IndustryEngineering & surveying
  • Staff growth2 → ~50 people
  • Premises3 offices over time
  • RelationshipSole IT partner, 12+ years
  • ServicesStrategy, governance, infrastructure, security, DR
Case Study

From Two Staff to Fifty

How Tanglin designed, secured and scaled the IT behind a fast-growing New Zealand engineering and surveying firm – through three office moves and a tenfold increase in staff, always right-sized for where the business actually was. Anonymised at the client's request.

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Claims Assessment Firm

  • IndustryClaims & assessment
  • Size~50 staff
  • LocationsNew Zealand & Fiji
  • RelationshipSole IT partner, ongoing
  • ServicesIdentity, security, backup, monitoring, hardware
Case Study

From One Shared Login to a Secure, Governed Microsoft 365

How Tanglin rescued a 50-staff firm where every employee logged in as the same user – rebuilding it with individual identities, MFA, a managed shared mailbox, SharePoint, FortiGate and SentinelOne on every device. Anonymised at the client's request.

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Want Your IT Problems to Stay This Quiet?

Most of what we do, you'll never notice – and that's the point. Let's talk about taking IT off your to-do list for good.

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