Category: Microsoft

Working from home with Microsoft Teams

Hi, I have begun to reflect a great deal more about the issue of safety and the best way to assist you on the crossing of this Covid-19 crisis. One of the main topics is “which service to use to work from home or to make meetings?” I know some tools such as Zoom, Google …

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Veeam Vanguard 2020 – Level 5!

Hi, today I received a great new from Nikola Pejkova. I have been selected for the Veeam Vanguard program for the 5th year! Honored and proud to be selected as a Veeam Vanguard 2020 then congratulations to all the returning and new Vanguard! 🙂 What is “Veeam Vanguard” program? Please follow and like us:

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Fix KB4551762 for the vulnerability in the SMBv3.1.1

Hi, yesterday, Microsoft has released a patch for a vulnerability in the SMBv31.1 (CERTFR-2020-ALE-008 / CVE-2020-0796) protocol that accidentally leaked online earlier this week during the March 2020 Patch Tuesday preamble. Updates a Microsoft Server Message Block 3.1.1 protocol issue that provides shared access to files and printers. The KB KB455176 is an update for …

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Office 365 MitM attack and Varonis protection

Last week, I had the opportunity to participate in a live session in French as official Speaker Varonis about Security, Data Protection & Governance as Varonis Elite member at SECURE IT DAY 2020 with Pierre-Antoine FAILLY (Security Architect – Varonis). We are seeing an uptick in adversaries using a very tricky Man-in-the-Middle (MitM) attack to …

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Hardening settings for Domain Controllers

Hi! Basically, default settings of Domain Controllers are not hardened. Every DC has by default the “Default Domain Controllers Policy” in place, but this GPO creates different escalation paths to Domain Admin if you have any members in Backup Operators or Server Operators for example. They can become Domain Admin. Start with replacing the “Default …

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