Outsider Security Profile
Outsider Security

@OutsiderSec

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2K
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Security company focusing on Microsoft Entra and Active Directory security. Need an expert view or pentest on your cloud/AD? [email protected]

The Netherlands
Joined December 2021
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@OutsiderSec
Outsider Security
5 months
RT @_dirkjan: Two new Entra ID training opportunities in the next few months! I will give another 4-day edition of my public training July….
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@OutsiderSec
Outsider Security
10 months
RT @_dirkjan: I'll be heading to Black Hat Asia next year to give my Offensive Entra ID security course in APAC for the first time! April 1….
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@OutsiderSec
Outsider Security
2 years
Last chance to enjoy the early bird rate for our @BlackHatEvents #BHUSA training on hacking Azure AD and hybrid environments!
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@OutsiderSec
Outsider Security
2 years
RT @_dirkjan: 📢 The first public edition of my "Offensive Azure AD and Hybrid AD" training is now scheduled and available for booking. June….
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events.outsidersecurity.nl
June 5th – 7th, 2023
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@OutsiderSec
Outsider Security
3 years
RT @NetSPI: TOMROROW at 11am PT / 2pm ET, join NetSPI's @kfosaaen and @OutsiderSec's @_dirkjan during @BlackHatEvents' webcast, "Backdoorin….
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@OutsiderSec
Outsider Security
3 years
RT @BlackHatEvents: #BlackHat free webinar "Backdooring and Hijacking Azure AD Accounts by Abusing External Identities" on November 10 expl….
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@OutsiderSec
Outsider Security
3 years
RT @_dirkjan: Since users modifying their own identities is not yet patched, I've also made a query for that so you can monitor this behavi….
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gist.github.com
KQL query to monitor or hunt for users modifying their own identities - identitybackdoor.kql
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@OutsiderSec
Outsider Security
3 years
RT @_dirkjan: In my Black Hat talk I referenced a guest account hijack that is very hard to identify after the fact. For blue teamers here,….
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gist.github.com
KQL query to hunt for guest invite abuse. GitHub Gist: instantly share code, notes, and snippets.
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@OutsiderSec
Outsider Security
3 years
Almost time for @WEareTROOPERS #TROOPERS22, which means it's time to pack some stickers! 😍
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@OutsiderSec
Outsider Security
3 years
RT @_dirkjan: 🥳 super excited that I'll be back in Vegas this summer, presenting for the first time at Black Hat US #BHUSA! I'll give a tal….
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@OutsiderSec
Outsider Security
4 years
RT @mkolsek: Welcoming a new security consultancy to the market: @OutsiderSec . I've had a few exchanges with its founder Dirk-jan, and can….
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