![Erik Loef [MVP] Profile](https://pbs.twimg.com/profile_images/802600821678604289/Vm4a-gkV.jpg)
Erik Loef [MVP]
@erikloef
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CTO @ PROXSYS; MVP Cloud & Datacenter Management; Personal interest in security , infrastructure management and the hybrid cloud
Joined September 2012
KEYNOTE ANNOUNCEMENT We’re honored to announce @jsnover the creator of #PowerShell, as the keynote speaker of the upcoming #MEMSummit. His work has reshaped how engineers, IT admins and enterprises automate and manage systems. Jeffrey will deliver a master session in Paris!
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We kicked of our Oktober meetup at Interstellar in Delft! Week kicked of with an the announcement that WP Connect will take place for the second time. Next year at 4th Februari 2026. Go to https://t.co/9QKVCjkxTb for more information and tickets! #wpninjasnl #meetup #community
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🎙️ Podcast news: We have released a new podcast episode. We will talk about The Workplace Ninja Summit 2025 highlights and .. 🚨Also we have something to announce. https://t.co/8KKKaNiMIj
#podcast #wpninjasnl #community
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Call for Speakers is open! We're excited to officially open the CfS for the Endpoint Management Summit 2026. This is your chance to share your knowledge with the community. For more information, checkout Sessionize https://t.co/9bSw98nDy9
#MEMSummit #MsIntune #Windows
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Excited to be heading to Utrecht to the @appmanagevent 2025 on October 9-10! 🇳🇱 I'll be there with two sessions focused on what actually works in cybersecurity. October 9: Full-Day Workshop with @samilaiho on "Lessons From the Field: 20 Steps to Harden Your Infrastructure"
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From 22 till 25 September @workplaceNinjaSummit will take place in Baden, Switzerland 🇨🇭. A traditional thing is that we a Dutch Ninja's are hosting a small event for the Dutch attendees where we connect. For location and RSVP, check the meetup link below https://t.co/Xt9kDyJtHI
meetup.com
Op woensdag 24 September nodigen wij (de Workplace Ninja User Group Netherlands) jullie uit voor een borrel samen met alle andere Nederlandse deelnemers aan de summit. We d
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A rare, but highly welcome change. Microsoft changed the license requirement for Token protection from Entra ID P2 to P1. This will protect more customers in the long run and lead to a more secure ecosystem. https://t.co/avxcUlsC5C
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Microsoft at Black Hat USA 2025: A Unified Approach to Modern Cyber Defense
techcommunity.microsoft.com
Microsoft will be at Black Hat USA 2025, August 5–7 in Las Vegas, and we’re bringing you a unified, practitioner-driven experience built around...
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Last chance! Get your nominations in by 6:00 PM PST today, we can’t wait to see who you’re celebrating.
🚨 FINAL CALL: Nominations for the 2025 Microsoft Partner of the Year Awards close tomorrow! The world needs to see what you’ve built. Make it count → https://t.co/rlBIjpGHCl
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Exploitation of CitrixBleed 2 (CVE-2025-5777) Began Before PoC Was Public
greynoise.io
GreyNoise has observed active exploitation attempts against CVE-2025-5777 (CitrixBleed 2), a memory overread vulnerability in Citrix NetScaler. Exploitation began on June 23 — nearly two weeks before...
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⭐ https://t.co/LZUtucmEFg July 2025 update ⭐ New feature: Tenant Storage Calculator! Plus minor updates and bug fixes. As always, please check the Change Log for details and reach out with any feedback, issues, or suggestions 👍 #m365maps #Microsoft365
m365maps.com
A collection of Microsoft 365 licensing diagrams to view or download.
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We just started with our #4 meetup of the year. This time hosted by @proxys in #Hollywoud
@MaartenGoet started the first session where he talks about a decade of ransomware. #wpninjasnl #meetup #community
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Our second session is now underway with @jannekespiekerman, focusing on #MSTeams and its impact on internal communications. #wpninjasnl #meetup #community
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The Workplace Ninja User Group Netherlands is proud to announce that on Wednesday June 18 2025 we will organize our 4th in-person event in the year 2025. Our next speaker is Maarten Goet. He will talk about A decade of ransomware! More info at https://t.co/TSdnj4BZ6K
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The Workplace Ninja User Group Netherlands is proud to announce that on Wednesday June 18 2025 we will organize our 4th in-person event in the year 2025. One of our speakers is Janneke Spiekerman. She will talk about organizational messages in Microsoft 365. #wpninjasnl
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Since we now can use Entra ID connect sync with a service principal, I thought I'd look into the new security measures. On hosts without a TPM, we can dump the cert+key. On hosts with TPM (second picture) we can use the key to create an auth assertion for roadtx to req tokens.
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The Workplace Ninja User Group Netherlands is proud to announce that on Wednesday June 18 2025 we will organize our 4th in-person event in the year 2025. We have a fully loaded program including a movie at the cinema. Save your spot at: https://t.co/whW4nZMzWu
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Final Call – Just a Few Hours Left! This is your last chance to submit your session for the Workplace Ninja Summit 2025! Want to share your knowledge and inspire our amazing community? Then don’t wait! Submissions close today, May 15! Submit now: https://t.co/VtHY8aONUx
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@SDingemanse Stefan removing the chaos by standardizing application packaging #wpninjasnl 3rd meetup @wpninjasnl
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