Alexander V. Leonov

Hello everyone! This episode will be about the VMconf 22 Vulnerability Management conference. CFP started on November 1, which will last a month and a half. So please submit your talk or share this video with someone who might be interested. Let’s talk about the conference itself. All started with a post in my Telegram […]

Hello everyone! This episode will be about relatively recent critical vulnerabilities. Let’s start with Microsoft Patch Tuesday for October 2021. Specifically, with the vulnerability that I expected there, but it didn’t get there. Autodiscover leak discovered by Guardicore Labs “Autodiscover, a protocol used by Microsoft Exchange for automatic configuration of clients such as Microsoft Outlook, […]

Last week I gave a “Career Navigator” talk for the students of the IT Hub College in Moscow. By the way, this college has a very interesting practical information security program. If it is relevant for you, check it out. I’ve never talked so much about myself in public. It was like giving advises to […]

Hello everyone! This time, let’s talk about recent vulnerabilities. I’ll start with Microsoft Patch Tuesday for September 2021. I created a report using my Vulristics tool. You can see the full report here. The most interesting thing about the September Patch Tuesday is that the top 3 VM vendors ignored almost all RCEs in their […]

In a previous episode on Microsoft Defender for Endpoint, I described how to get a list of antivirus engine and signatures versions for the hosts in your infrastructure using the Microsoft Graph API. But the problem remains. You know the versions that are currently installed on the hosts. But where can you get the latest […]

Hello everyone! This is a new episode with my comments on the latest Information Security news. Exchange ProxyShell I want to start with something about attacks on Exchange. ProxyShell is in the news, the LockFile ransomware compromised more than 2000 servers. On the other hand, there is basically nothing to say here. ProxyShell is the […]

Hello everyone! Yet another news episode. Microsoft’s August Patch Tuesday Let’s start with Microsoft’s August Patch Tuesday. I think the most interesting thing is that it contains a fix for the PetitPotam vulnerability. I talked about this vulnerability two weeks ago. At the time, Microsoft had no plans to release a patch because PetitPotam was […]

Hello everyone! In this episode, I would like to tell you how I tried to get automatically antivirus-related data (current status, engine and signature version, last full scan date) from Microsoft Defender for Endpoint using Microsoft Intune and the Graph API. Why is this necessary? You might assume that if the Defender for Endpoint agent […]

Hello everyone! Last Week’s Security News, August 1 – August 8. Black Hat Pwnie Awards Last week was more quiet than normal with Black Hat USA and DEF CON security conferences. I would like to start with the Pwnie Awards, which are held annually at Black Hat. It’s like an Oscar or Tony in the […]

Hello everyone! Last Week’s Security News, July 26 – August 1. Serious Sam in Metasploit Last week I talked about the Serious Sam vulnerability (CVE-2021-36934), also known as HiveNightmare. The name HiveNightmare comes from the fact that Windows stores its registry data in a small number of proprietary database files called hives. Due to mismanagement […]