Service

DLP and data protection

Sensitive data most often leaks not through an attack but through an ordinary mistake: an attachment to the wrong recipient, a file on a private drive. DLP watches where information goes and reacts before it leaves the company.

  • ISO/IEC 27001
  • 3000+ workstations
  • Since 2017

Data Loss Prevention is not a padlock on everything. It is a set of policies that understand which data is sensitive and control its flow where a real risk of leakage appears. We deploy DLP and maintain it so it protects without paralysing work.

What the deployment covers

From identifying where sensitive data is, to policies that watch its flow in mail, the cloud and on devices.

  • Data classification

    We recognise and label sensitive information: personal, financial, contracts and confidential documents. This is the foundation of every rule.

  • Leak control

    Rules watch mail, the cloud and devices, catching attempts to send sensitive data outside the company, including accidental ones.

  • Policies without paralysis

    We start with observation and enable enforcement gradually. Protection does not block legitimate work or generate a flood of tickets.

  • Evidence for compliance

    An event log and reports support GDPR compliance and audit requirements. It is visible that data is genuinely protected.

Why DLP starts with classification, not with blocks

You cannot protect data you do not know is sensitive and where it is. That is why we start DLP with classification: we identify where in the company personal data, financial documents, contracts or intellectual property sit. Without this step, every rule is guesswork.

Only on that basis do we build policies. The system can recognise a national ID number, card data or a document marked confidential and react when someone tries to send it outside. The reaction does not have to be a hard block, often a warning, a request for justification or logging the event is enough.

The most common mistake, DLP that blocks everything

Badly deployed DLP can block work: it holds up legitimate emails, blocks normal files and buries IT in tickets. The effect is the opposite of the intent, because employees look for workarounds and the company switches off the very mechanism that was meant to protect it.

That is why we start in observation mode, with no blocks. We gather data on the real flow of information, learn how the company actually works, and only then gradually enable enforcement where the risk is greatest. Policies are there to protect data, not to hinder day to day tasks.

How we run the deployment

From observation to enforcement, so policies mature before they block anything.

  • observationstart with no blocks to learn the flow
  • in stagesenforcement enabled gradually
  • 2-4 weekstypical deployment time
  • reportlog of events and incidents
  1. Discovery and classification. We establish which data is sensitive, where it is and how it flows. Without this knowledge, policies would be guesswork.
  2. Observation mode. We run DLP with no blocks, to see the real flow of data and catch the cases that need a rule.
  3. Enforcement and tuning. We enable rules gradually, starting with the greatest risk, and tune them to reduce false alarms.

Model rozliczeń

We bill the deployment as a project depending on the scope and number of users. We then run maintenance and policy tuning as a fee.

Included

  • Data classification and policy design
  • DLP deployment in mail, the cloud and on devices
  • Observation mode and gradual enforcement
  • Team briefing and documentation

Beyond the plan

  • Ongoing maintenance and policy tuning
  • Responding to reported leak incidents
  • Expansion to further systems and channels

In a Microsoft 365 environment we use Microsoft Purview, so often there is no need to buy a separate platform.

Frequently asked questions

Will DLP block the team from working?

That is not the goal. We start in observation mode, learn the real flow of data and only then gradually enable enforcement where the risk is greatest. The reaction is often a warning, not always a hard block.

How does the system know which data is sensitive?

From the classification we do at the start. DLP recognises patterns such as a national ID number or card data, as well as documents marked confidential, and applies the right rules on that basis.

Do we need a separate tool?

Not always. If you use Microsoft 365, we use the built in Microsoft Purview, so usually there is no need to buy an additional platform. For other environments we choose a solution to fit the needs.

Does DLP help with GDPR compliance?

Yes. Controlling the flow of personal data and an event log are concrete support in demonstrating due data protection. It combines well with a GDPR audit and data protection officer support.

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