Author: Sander Berkouwer

In a blogpost today, Tal Be'ery, Vice President Research at Aorato, an Israeli security company consisting of veterans of the Israeli Defense Forces specializing in Active Directory, published how weak encryption enables an attacker to change a victim’s password without being logged. Labeled as a vulnerability in Active Directory, this information sparked some controversy, so … Continue reading "Security Thoughts: Leveraging NTLM Hashes using Kerberos RC4-HMAC encryption (AKA Aorato’s Active Directory Vulnerability)"

Yesterday, the Dutch Networking User Group (NGN) and Dutch Platform for IT Professionals (Ngi) hosted their ‘Systems Management: Beyond Control’ event at the former Cenakel Monastery, part of the Kontakt der Kontinenten Conference grounds in Soesterberg.

Today, I realized I’ve been blogging here for the last eight years.

Eighteen months ago, I purchased a Nokia Lumia 920. It has been my loyal companion for the biggest part of that time, until it recently got stolen. I needed to replace the phone. Luckily it was insured under the circumstances it was stolen, so I had ample budget to look around for a new phone.

Working at a Systems Integrator (SI) has its perks. I get to discuss interesting technologies with interesting customers and interesting partners. Sometimes, my playing field feels like an ecosystem where manufacturers, partners and customers think and act like one. One of the partners we’re working closely these days and gives me that special feeling is … Continue reading "I’ll be speaking at the Datacenter Group’s Partner Event"

I’ve been associated with the Dutch Networking User Group (NGN) for almost five years now. I’ve been speaking at their events and have helped others achieve the same goal. NGN has recently joined forces with the Dutch Platform for IT Professionals (Ngi), and an old tradition has been dusted off: We’re organizing a Windows Server-themed … Continue reading "I’ll be speaking at Ngi-NGNs ‘Systems Management: Beyond Control’ event"