Thomas LauridsenAUTHOR · COPENHAGEN
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For security professionals

Security knowledge. Built for practice.

I have worked in security since 2012, from frontline guarding to regional security operations management. These books bring together practical experience and the knowledge I have gathered along the way. Choose a subject below and find the format that suits you.

Data Center Security Operations Management book cover
A practical place to start

Find the right book for your role.

Start with the responsibilities you have today—or the role you are working towards. These three routes help you choose a first read.

01 · New to the profession

Security officer

Start with Vagtens Grundbog if you want a practical introduction to everyday guarding. It covers common duties, communication, reporting and working professionally. Written in Danish.

Explore Vagtens Grundbog
02 · Leading the function

Security manager

Start with The Modern Security Manager for a management perspective on operations, leadership, incidents and stakeholder alignment. Then explore human risk or AI security according to your responsibilities.

Explore The Modern Security Manager
03 · Protecting critical facilities

Data center security

Start with Data Center Security Operations Management for an introduction to physical protection, access management and real-world operations in data center environments.

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Explore the professional bookshelf

Start with the subject that matches your role: everyday officer duties, leading a security function, or protecting data centers and critical infrastructure.

Vagtens Grundbog by Thomas Lauridsen cover
Security & leadership · Danish

Vagtens Grundbog

Vagtens Grundbog er en praktisk guide til professionelt vagtarbejde. Med konkrete eksempler, gode råd og tjeklister gennemgår bogen de vigtigste vagtfunktioner, sikkerhedsprocedurer og hverdagens udfordringer. For både nye og erfarne vagter.

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The Modern Security Manager by Thomas Lauridsen cover
Security & leadership · English

The Modern Security Manager

The Modern Security Manager is a practical, no-nonsense playbook for professionals stepping into - or growing within security management roles, built on real-world experience.

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From the author’s desk

A closer look at the manuscripts.

Explore two supplied reference manuscripts, with real chapter overviews and short excerpts. These previews are separate from the published editions in the bookshop.

Data Center Security Operations Management Version 2.0 cover
Second edition · Version 2.0

Data Center Security Operations Management

A deeper look at the ten operational disciplines, from security layering to resilience and disaster recovery.

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Updated-edition manuscript

From Security Officer to Security Manager

Leadership, risk, communication and the shift from handling tasks to taking responsibility for the operation.

Read the manuscript preview