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Anomaly Detection

What Is Anomaly Detection? Spot the Deviation Before It Becomes a Loss

Anomaly detection means automatically finding the records in transaction, meter, sensor or log data that break from normal behaviour. The systems we build learn what normal looks like for each user, device or subscriber from your history, score every new record, and send the suspicious ones to the right person with the reasons attached, at a volume your team can review.

A fraudulent expense claim, an unmetered connection, a pump that is starting to fail: each shows up in the data as a small deviation long before anyone notices it on the ground. Among thousands of ordinary records, nobody can find it by hand, and fixed threshold rules either flood you with alerts or miss the cases nobody anticipated.

In machine learning anomaly detection the system is not looking for a known pattern but for a break from the usual behaviour of that particular user, device or subscriber, which is why it can surface case types a fixed rule would miss. It connects to your ERP, meters, sensors, access control or system logs without replacing any of them. Your audit and maintenance people stop sampling at random and spend their time on the records that genuinely look wrong. If you also need forecasting or classification on the same data, see our AI integration service.

Anomaly detection system flagging records that deviate from normal behaviour

Key Capabilities of the Anomaly Detection System

Behaviour Profile Learning

Each user, device or subscriber gets its own baseline. Comparing against its own history rather than one threshold for everyone cuts false alarms.

Real-Time Scoring

Records are scored as they arrive. High-risk activity triggers an immediate notification, or is held for approval before it completes.

Multi-Dimensional Analysis

Amount, time, location, frequency and links between records are assessed together, catching combinations that look odd even when each value on its own seems fine.

Explainable Alerts

An alert does more than say "suspicious": it shows which fields drove the score, so the reviewer can record a decision with a reason behind it.

Sensitivity Tuning

The trade-off between missed cases and false alarms is set by how many alerts your team can properly review each day.

Feedback Loop

Reviewers mark each alert as confirmed or false. That feedback is used to retrain the model at regular intervals.

Where Is Anomaly Detection Used?

  • Suspected unmetered or illicit use in meter data
  • Irregular payments and expense claims
  • Shrinkage and losses in stock movements
  • Quality deviation on production lines
  • Early fault signs in machine sensor data
  • Out-of-hours or out-of-zone entries in access logs
  • Suspicious access patterns in system logs
  • Fleet fuel consumption deviations

How We Work

01
Data & Case Review

We agree which data to watch and what counts as a problem. Past confirmed cases are reviewed if you have them; if not, we choose methods that need no labelled examples.

02
Normal Behaviour Modelling

Normal behaviour is learned from a trouble-free period, so seasonality, month-end peaks and shift patterns are not mistaken for anomalies.

03
Threshold Calibration & Pilot

The model is run over historical data and its alerts are reviewed with your team to set the sensitivity.

04
Go-Live & Improvement

The system is connected to live data and alerts reach the right person by email, dashboard or your existing workflow. Feedback keeps the model current.

The Goal: Alerts Your Team Can Actually Review

A system that cries wolf every day is soon ignored. So we do not aim to flag the most anomalies; we aim for a volume your team can genuinely review, with alerts that are worth opening. If machine failures are the concern, we apply the same approach in our predictive maintenance service, starting with a pilot on one to three critical machines.

Questions we hear most often

Frequently Asked Questions

What is anomaly detection?

Anomaly detection means automatically finding the records in transaction, meter, sensor or log data that break from normal behaviour. The system learns what normal looks like for each user, device or subscriber from your history, scores every new record and sends the suspicious ones to the right person with the reasons attached. Fraud, leakage and failing machines all show up first as small deviations.

How does anomaly detection work?

First a separate baseline is learned for each user, device or subscriber from a trouble-free period, so seasonality, month-end peaks and shift patterns are not treated as anomalies. Each new record is scored as it arrives, with amount, time, location and frequency assessed together. The alert shows which fields drove the score, so the reviewer can decide with a reason.

Where is anomaly detection used?

Typical uses are suspected unmetered or illicit use in meter data, irregular payments and expense claims, shrinkage in stock movements, quality deviation on production lines, early fault signs in machine sensor data, out-of-hours or out-of-zone entries in access logs, suspicious access in system logs and fleet fuel consumption deviations. The system connects to these sources without replacing them.

Won't anomaly detection produce too many false alarms?

The goal is not to flag the most anomalies but to produce a volume your team can genuinely review. Each record is compared with its own history rather than one threshold for everyone, and sensitivity is tuned to how many alerts your team can handle each day. Reviewers mark alerts as confirmed or false, and that feedback retrains the model at regular intervals.

Can anomaly detection work if we have no past fraud cases?

Yes. If you have confirmed past cases we review them; if not, we choose methods that need no labelled examples, because the system looks for deviation from normal rather than a known pattern. The model is first run as a pilot on historical data, its alerts are reviewed with your team and the sensitivity is set before it goes live.

How is anomaly detection different from predictive maintenance?

Anomaly detection looks for deviations in any kind of data, from transactions and meters to stock and logs. Predictive maintenance applies the same approach to machine sensor data to see failures coming. Our predictive maintenance projects start with a pilot on one to three critical machines, with value visible in metrics within the first 30 to 60 days.

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