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Sami Laiho
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Sami Laiho
@samilaiho
Chief Research Officer (opinions are my own) / #1 & #2 at Ignite 2018 / Best Session - NIC x 5 / MVP Windows OS / win-fu.com / PluralsightAuthor
Finland
samilaiho.com
Joined March 2011
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30.5K
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  • user avatar
    Sami Laiho
    @samilaiho
    Nov 2, 2020
    In the last 10 months I tweeted about 296 successful #ransomware attacks. That’s only the big ones that end up in the news. Don’t let your company be the next. I don’t offer products – I teach license-free concepts that can block these attacks. samilaiho.com
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    Sami Laiho
    @samilaiho
    Mar 1, 2022
    Muuttuneen kyberturvallisuustilanteen johdosta, maanpuolustushengessä, päätin julkaista mahdollisimman yksinkertaiset ohjeet Windows-ympäristön puolustamiseen, ulkoista hyökkääjää vastaan. LUE KOKO KETJU, ja jos koet, että tästä on hyötyä --> Retweet!
  • user avatar
    Sami Laiho
    @samilaiho
    Sep 1, 2021
    FINALLY!!! Windows Internals 7th edition Book 2 is out! Great! Thanks ⁦@markrussinovich⁩ & Co
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    Sami Laiho
    @samilaiho
    Feb 22, 2021
    Deny-listing is not a security barrier - only Allow-listing is...
  • user avatar
    Sami Laiho
    @samilaiho
    Apr 9, 2025
    April update adds an empty C:\Inetpub
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    192K
  • user avatar
    Sami Laiho
    @samilaiho
    Mar 2, 2022
    Because of the current state of cybersecurity, and to protect the COMPANY networks in Ukraine, I have decided to publish easy to implement and free instructions for protecting Windows environments against an invader. Read the whole thread and if you find it useful  Retweet!
  • user avatar
    Sami Laiho
    @samilaiho
    Mar 20, 2021
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    Sami Laiho
    @samilaiho
    Feb 12, 2024
    So true! USB has never been as complicated as with USB-C
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    27K
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    Sami Laiho
    @samilaiho
    Oct 11, 2018
    The biggest Microsoft conference in the world, Ignite, 30000 attendees, 1700+ speakers and 1708 sesssions - I had two breakout sessions in the conference that were evaluated as the #1 and #2 of the whole conference!!! Gold and Silver in 2018! I'm happy,honored & thankful!
  • user avatar
    Sami Laiho
    @samilaiho
    Aug 16, 2019
    It’s finally done after 2+ years! A 9 course learning path on #sysinternals at @pluralsight Every IT-admin should have this as a mandatory learning experience! Thanks to @markrussinovich and @AaronMargosis for inspiration. ow.ly/LmyX30pmwUX
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    Sami Laiho
    @samilaiho
    Nov 6, 2023
    Most common Active Directory misconfigurations and default settings that put your organization at risk
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    Most common Active Directory misconfigurations and default settings that put your organization at...
    From blog.nviso.eu
    44K
  • user avatar
    Sami Laiho
    @samilaiho
    May 12, 2020
    In Security don't let Perfect be the Enemy of Good... #wisewords
  • user avatar
    Sami Laiho
    @samilaiho
    Jun 7, 2022
    Requested reminder! How to prep Windows for Cyberwar: Ukrainian: blog.win-fu.com/2022/03/glory-… Finnish: blog.win-fu.com/2022/03/kunnia… English: blog.win-fu.com/2022/03/glory-… #GloryToUkraine #Security #BlueTeam
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    Sami Laiho
    @samilaiho
    Jan 31, 2020
    How to hack yourself admin rights on any Autopilot installed Windows 10 - aka The Return of the Shift+F10! #suomalaismies #4sysops 4sysops.com/archives/hacki…
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