Tag Archives: Sicherheit

Edge 93.0.961.44 closes CVE-2021-38669

Posted on 2021-09-11 by guenni

[German]Microsoft has released a security advisory for the Edge browser as of September 9, 2021, updating the browser to version 93.0.961.44. The update also closed the CVE-2021-38669 vulnerability. Advertising

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PetitPotam attack allows Windows domain takeover

Posted on 2021-07-24 by guenni

[German]There is a new attack vector called PetitPotam. This enables a threat actor to launch an NTLM relay attack on domain controllers. Ultimately, this can be used to take over entire domains. Since many organizations run domain controllers with Microsoft … Continue reading →

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How to find weak passwords in Active Directory and eliminate them with PowerShell

[Sponsored Post]Weak or compromised passwords are a known gateway for attackers. If you are able to identify which users in Active Directory (AD) are threatened by this, then PowerShell can help to remedy it. However, PowerShell scripts cannot eliminate basic AD deficits, other tools are needed for this. More ...

DevilsTongue spyware from Israeli company Candiru exploited Windows vulnerabilities

Posted on 2021-07-19 by guenni

[German]After I just reported about spy Trojans of the Israeli NSO Group on smartphones (see Pegasus spy software of NSO Group on many smartphones), I can also reveal the second case. The Israeli company Candiru exploited vulnerabilities in Windows to … Continue reading →

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Firefox 90.0.0 and 78.12.0 ESR released

Posted on 2021-07-14 by guenni

[German]Mozilla developers have released version 90.0.0 and 78.12.0 ESR of the Firefox browser on July 13, 2021. The version 90.0.0 is a new development branch of the browser, and the ESR is a security update, which should eliminate vulnerabilities, but … Continue reading →

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Microsoft Security Update Summary (June 8, 2021)

Posted on 2021-06-09 by guenni

[German]On June 8, 2021, Microsoft released security updates for Windows clients and servers, for Office, etc. – as well as for other products – have been released. Below is a compact overview of these updates. Advertising

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Patchday: Windows 8.1/Server 2012-Updates (May 11, 2021)

Posted on 2021-05-12 by guenni

[German]As of May 11, Microsoft has released various updates for Windows 8.1. These security updates are also available for Windows Server 2012 R2. Here is some information on the Monthly Rollup and Security only updates for these operating systems. Advertising

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Security Updates (KB5003435) for Microsoft Exchange Server (May 11, 2021)

Posted on 2021-05-12 by guenni

[German]Microsoft has announced on May 11, 2021 – the expected (see Is a hotfix for Microsoft Exchange coming today? (May 11, 2021)) Security updates released for Exchange Server 2013, Exchange Server 2016 and Exchange Server 2019. This is to immediately … Continue reading →

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BadAlloc: Critical bugs found in IoT devices and in OT systems

Posted on 2021-05-04 by guenni

[German]Microsoft security researchers have taken a closer look at Internet of Things (IoT) software used in devices and operational technology (OT) industrial systems. In the process, they have come across more than two dozen critical remote code execution vulnerabilities. The … Continue reading →

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Google Chrome 90.0.4430.93 with security fixes

Posted on 2021-04-27 by guenni

[German]Google has released Google Chrome 90.0.4430.93 as of April 26, 2021. It is a security update that fixes 9 vulnerabilities in older browser versions.  Advertising

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Exchange: Hafnium hackers fails at Office 365

Posted on 2021-03-30 by guenni

[German]After the mass hack of on-premises Exchange Server at the end of February and in March 2021, the question is how to prevent such a thing. I have some information from Barracuda Networks that I would like to post here … Continue reading →

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