Matej Klemencic

@matejguru.bsky.social

🔐 Cloud Security & Modern Workplace Enthusiast 🎤 Speaker ✍️ Blogger 🌐 www.matej.guru

47 Followers | 252 Following | 20 Posts | Joined: 24.11.2024 | 1.7071

Latest posts by matejguru.bsky.social on Bluesky

Stop Flying Blind: Get Visibility into Your Entra ID Enterprise Applications The topic of Enterprise Applications in Entra ID is something that, not long ago, made me feel uncertain.

www.matej.guru/p/stop-flyin...

03.08.2025 17:19 — 👍 0 🔁 0 💬 0 📌 0

North Korea's Laptop Farm Scam: 'Something We'd Never Seen Before' Officials uncover how North Korean operatives used stolen identities and remote-controlled tech to infiltrate American companies and steal corporate data.

www.techrepublic.com/article/news...

22.06.2025 11:19 — 👍 0 🔁 0 💬 0 📌 0

Assume Breach: Securing MFA Registration in Entra ID Thanks for reading Another security blog...!

www.matej.guru/p/assume-bre...

16.05.2025 18:46 — 👍 0 🔁 0 💬 0 📌 0

Linking to page aka.ms/GetMicrosoftAuthenticator

🚨 PSA: FAKE Microsoft Authenticator apps are flooding the App Store & Play Store! ⚠️

Protect your users!

ONLY send them to the official download link 👇

Bookmark this! Update your user guides & intranet NOW. RT to spread the word!

#CyberSecurity #MFA

🧵↓

22.04.2025 09:00 — 👍 14 🔁 8 💬 2 📌 3

Botnet looks for quiet ways to try stolen logins in Microsoft 365 environments Researchers say a large botnet-driven campaign poses a threat to Microsoft 365 environments that still use an authentication process that the tech giant has been phasing out in recent years.

therecord.media/botnet-crede...

24.02.2025 20:32 — 👍 0 🔁 0 💬 0 📌 0

Entra ID Guest Accounts: Identify, Analyze, and Clean Up For a while, I had been manually running cmdlets to export guest account reports from Entra ID.

www.matej.guru/p/entra-id-g...

24.02.2025 20:32 — 👍 0 🔁 0 💬 0 📌 0

Protecting on-premises from Microsoft 365 attacks A few years ago, I came across a blog post titled Protecting Microsoft 365 from on-premises attacks, which resonated deeply with me.

Protecting on-premises from Microsoft 365 attacks
www.matej.guru/p/protecting...

18.02.2025 20:32 — 👍 0 🔁 0 💬 0 📌 0

Span Cyber Security Arena - Call for presenters Call for presenters - are you a seasoned professional on cyber security-related topics? Apply now and take the opportunity to share your ex

www.span.eu/en/insights-...

06.02.2025 17:04 — 👍 0 🔁 0 💬 0 📌 0

Ransomware payments drop for first time in years following law enforcement disruptions Researchers at Chainalysis report that ransomware payments dropped in 2024, down approximately 35% from $1.25 billion to $812.55 million. Global law enforcement actions may have helped.

therecord.media/ransomware-p...

05.02.2025 20:57 — 👍 0 🔁 0 💬 0 📌 0

Securing Identities: 10 recommendations for building a stronger identity security posture | Microsoft Community Hub Attack strategies are constantly evolving, your identity security posture should too. Microsoft Defender for Identity is a core part of Microsoft Defender...

techcommunity.microsoft.com/blog/microso...

05.02.2025 20:55 — 👍 0 🔁 0 💬 0 📌 0

Windows Server 2025, security baseline | Microsoft Community Hub Microsoft is pleased to announce the release of the security baseline package for Windows Sever 2025! Please download the content from the Microsoft...

techcommunity.microsoft.com/blog/microso...

05.02.2025 20:54 — 👍 0 🔁 0 💬 0 📌 0

Microsoft Entra PowerShell module now generally available | Microsoft Community Hub Today, we’re thrilled to announce the general availability (GA) of the Microsoft Entra PowerShell module, a new scenario-focused PowerShell module designed...

techcommunity.microsoft.com/blog/microso...

29.01.2025 21:06 — 👍 0 🔁 0 💬 0 📌 0

Active Directory Hardening Series - Part 7 – Implementing Least Privilege | Microsoft Community Hub Hi all! Jerry here again to continue the AD hardening series.   This time I want to address the concept of least privilege as it applies to Active...

techcommunity.microsoft.com/blog/coreinf...

19.01.2025 20:47 — 👍 0 🔁 0 💬 0 📌 0

Enhancing Security with Entra PIM and Conditional Access Policy using Authentication Context | Microsoft Community Hub In today’s cybersecurity landscape, organizations face an ever-evolving set of threats targeting privileged accounts. These accounts often have elevated...

techcommunity.microsoft.com/blog/coreinf...

19.01.2025 20:47 — 👍 0 🔁 0 💬 0 📌 0

Employees Enter Sensitive Data Into GenAI Prompts Too Often The propensity for users to enter customer data, source code, employee benefits information, financial data, and more into ChatGPT, Copilot, and others is racking up real risk for enterprises.

www.darkreading.com/threat-intel...

19.01.2025 20:47 — 👍 0 🔁 0 💬 0 📌 0

Microsoft Ignite: Redefining email security with LLMs to tackle a new era of social engineering | Microsoft Community Hub Microsoft Defender for Office 365 now uses purpose-built Large Language Models (LLM) at scale to provide AI-powered email and collaboration security.

techcommunity.microsoft.com/blog/microso...

04.01.2025 18:21 — 👍 0 🔁 0 💬 0 📌 0

Does Desktop AI Come With a Side of Risk? AI is coming to a desktop near you — with Microsoft 365 Copilot, Google Gemini with Project Jarvis, and Apple Intelligence all arriving (or having arrived). But what are the risks?

www.darkreading.com/application-...

17.12.2024 19:16 — 👍 0 🔁 0 💬 0 📌 0

Monthly news - December 2024 | Microsoft Community Hub Microsoft Defender XDRMonthly newsDecember 2024 Edition This is our monthly "What's new" blog post, summarizing product updates and various...

techcommunity.microsoft.com/blog/microso...

09.12.2024 18:40 — 👍 0 🔁 0 💬 0 📌 0

New Windows zero-day exposes NTLM credentials, gets unofficial patch A new zero-day vulnerability has been discovered that allows attackers to capture NTLM credentials by simply tricking the target into viewing a malicious file in Windows Explorer.

www.bleepingcomputer.com/news/securit...

08.12.2024 16:12 — 👍 1 🔁 1 💬 0 📌 0

What's new in Microsoft Entra - November 2024 | Microsoft Community Hub The identity security landscape is advancing at an unprecedented pace. As global events and rapidly evolving AI reshape the cybersecurity environment,...

techcommunity.microsoft.com/blog/identit...

08.12.2024 13:30 — 👍 3 🔁 0 💬 0 📌 0

Introduction | Microsoft Zero Trust Workshop This Zero Trust Assessment will help your organisation understand the current state of your Zero Trust maturity and provide a roadmap to help you improve your security posture.

Zero Trust Assessment Tool is a fantastic way to show customers that zero trust is more than just enabling MFA and onboarding devices with Intune microsoft.github.io/zerotrustass...

26.11.2024 20:52 — 👍 1 🔁 0 💬 0 📌 0

@matejguru is following 20 prominent accounts

Aleksandar Nikolić
@alexandair

Microsoft Azure MVP | A co-organizer of PowerShell Conference Europe | A co-founder of http://powershellmagazine.com

Have I Been Pwned
@haveibeenpwned.com

Check if you have an email address or password that has been compromised in a data breach. Created and maintained by @troyhunt.com.

Damien Van Robaeys {MVP}
@systanddeploy

Microsoft MVP/Modern Workplace consultant systanddeploy.com #Powershell #MSIntune #MDT #WPF #MECM #MEMPowered #SelfX

Panno
@securetechexplained.com

Aussie IT Security Engineer/Architect | Digital Identity and Access management specialist I like to take complex topics and make them understandable

Oliver Müller
@oliver-mueller

Microsoft MVP | MCT | blogger at cloudcoffee.ch | Azure Solutions Architect Expert | Identity & Access Specialist

Jo Peterson
@cleartech

techtask consulting
@techtask

» Leading through the sea of clouds » M365 Copilot | Modern Work | Security & Data Privacy | Founded by Roger Haueter: Microsoft Regional Director & 9x M365 MVP

Iwona Cudak Former #WIMVP
@windowslove5

FEMALE tech enthusiast and Windows lover, Windows Insider, MVP 2021-2023, IT support #WIMVP

Sami Laiho
@samilaiho.com

Keynote-speaker, Chief Research Officer, Microsoft MVP since 2011 More info: https://samilaiho.com/

Riccardo Corna
@itspecialist.cloud

👨🏻‍💻 Endpoint Cloud Solution Architect @ Microsoft ❤️ Punk & Indie music, travels, photography, coffee, chips in a bag

Mark Russinovich
@markrussinovich

CTO of Microsoft Azure, author of novels Rogue Code, Zero Day and Trojan Horse, Windows Internals, Sysinternals tools. Opinions are my own.

Ned Pyle
@nedpyle.com

Dog butler to Indy, Darby, & Kell. Former USMC 0341. Chicago Tavern style. You may know me from years of MSFT. Or not. Was @nerdpyle before the bad times. Eat shït, nazis

Uncle Joe
@sydseter.com

Co-leader OWASP Cornucopia. If you like what we do for open source, visit our code repository https://github.com/OWASP/cornucopia and give us a star ⭐ 🌈 «Difference is of the essence of humanity» 🦄 – John Hume #appsec #owasp #cornucopia #threatmodeling

Anthony Spiteri
@anthonyspiteri

Modern Data Platforms | Future Tech | Regional CTO APJ & Lead Cloud Technologist @veeam | Founder and Host @GTwGTPodcast 🎧 | Weekend Tinkerer & Builder 🛠️ All the Links https://beacons.ai/anthonyspiteri

Cozzy Ozdemir
@cagatayozdemir

Aidan Finn
@aidanfinn

Azure MVP. Principal Consultant. Owner of Cloud Mechanix, delivering custom-written Azure training. 49ers fan.

Jeroen Burgerhout ☁️ | MVP
@jeroen.burgerhout.org

Microsoft Intune MVP | MCT | CEO (Chief Everything Officer) https://burgerhou.tj/connect

MEM Summit 2026
@endpointsummit.com

April 22-24, 2026, in Paris (Cité des sciences et de l'industrie); Modern Endpoint Management Summit, EMEA Edition #MEMSummit https://linktr.ee/modernendpointmanagement

Mattias Melkersen | MVP
@mmelkersen

Nicky De Westelinck
@nickydewestelinck.be