Sami Laiho

Let the Master teach you all the tricks up his sleeves. Sami has been troubleshooting and teaching the art of OS troubleshooting, management and security to others for 15 years and counting.

Sami's troubleshooting sessions have been awarded "Best in Show" in multiple worldwide conferences including AppManagEvent. He not only knows his stuff but can teach it in an effective and entertaining way.

Sami Laiho is one of the world’s leading professionals in the Windows OS and Security. Sami has been working with and teaching OS troubleshooting, management, and security since 1996.

At Ignite 2018, Sami’s “Behind the Scenes: How to build a conference winning session” and “Sami Laiho: 45 Life Hacks of Windows OS in 45 minutes” sessions were ranked as #1 and #2 out of 1708 sessions!! This was the first time in the history of the conference that anyone has been able to do this.

Before that, at Ignite 2017, the world’s biggest Microsoft event, Sami was evaluated as the Best External Speaker! Also, Sami’s sessions were evaluated as the Best session in TechEd North America, Europe and Australia in 2014, and Nordic Infrastructure Conference in 2016, 2017 and 2019

Publications & Recordings
Videos on Ch9

45 life hacks of the Windows OS in 45 minutes

Securing Windows in 2019 and forward

Hacking the bank

White is the new Black

Let’s keep everyone Admin when deploying Win10: not!

How to install application packages for the modern secure Windows

Proactive vs Reactive Security

Applying Proactive security in Windows

Technet Article
Three things you have to learn to stay in the IT Pro business


BlackBelt - Advanced Troubleshooting the Windows OS

The best Windows OS troubleshooters can be taught by taking this course.

  • Have you ever wondered if Windows Pagefile settings should be changed or how they actually work?
  • Have you ever wondered what the values in Task Manager actually mean – like Paged Pool, Working Set, Free memory etc? Did you know that Task Manager can never show what’s hanging in Windows (Yes, it’s a fact and totally impossible)?
  • Do you know how a file actually gets cached and finally written to the disk or how threads communicate with each other?
  • Have you ever wondered what Mutexes or Semaphores in Process Explorer really mean?
  • Do you want to learn how to troubleshoot performance issues like Slow Logons, Computers or application start? Do you know how to use Windows Performance Toolkit?

If you don’t know the answers, come and join this course as it will provide you with the answers and a lot more! 

To get the best out of this session we would suggest you have MCSA (Windows Server 2012/2016 or Windows 10) or MCSE (Mobility or Productivity). Having a working skillset on this level is fine as well.
Please bring your own challenges and questions to this expert session as this will be a rare opportunity to learn from the best.
Also possible to join this class remote

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BlackBelt – Securing Windows Desktop and Windows Server

Duration: 4 days
Material: Student Lab Manual, Slide deck, and lab files
Instructor: Sami Laiho
Language: English

Gartner has said that one of the most needed changes in enterprise security is to move to a least privilege approach, whitelisting of applications and overall proactive security.

Microsoft said in February 2018 that 85% of all security threats would have been mitigated by moving to proactive security. In year 2017 all major antimalware companies reported more than 1.000.000 new malware samples EVERY day! Do you really need more convincing that you need to do it as well than these facts. Well there is more just make you sure...

Sami has been consulting companies with 10 computers and enterprises with close to 600.000 endpoints. Many things that you take for granted when it comes to energy or money is actually secured by his knowledge. Don’t miss out, this is the cheapest consulting you will ever get, while learning!

While the client and the server versions share the same Kernel there certain things that only apply to Windows Servers – this course also includes the needed info on how to protect Windows Server and infrastructure services! Level 300 class


Also possible to join this class remoteTel: +31 88 55 88 400

Learn more

Send a mail to for more information