Tag Archives: NAS

Synology Active Backup for Microsoft 365: Problems with the backup of Teams (March 2024)

Posted on 2024-04-04 by guenni

[German]A short note for administrators who use Active Backup for Microsoft 365 from Veeam and may run into problems or an error when backing up Microsoft Teams. There are probably two traps: First, an API limit that you can run … Continue reading →

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QNAP warns of Checkmate ransomware attacks on its NAS (July 2022)

Posted on 2022-07-08 by guenni

[German]Taiwanese manufacturer QNAP has issued a warning as of July 7, 2022 that a new Checkmate ransomware attacks its NAS units via SMB services accessible via the Internet. Presumably, weak passwords will then have their credentials cracked via brute-force attack … 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 ...

QTS 5.0.0 security updates for QNAP NAS devices (June 8, 2022)

Posted on 2022-06-11 by guenni

[German]Short note to readers who have NAS drives from QNAP in use. There are serious vulnerabilities in the QTS 5.0.0 software in older versions, which were fixed on June 8, 2022 with an update of the firmware to QTS 5.0.0.2055 … Continue reading →

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QNAP Update QTS 5.0.0.1932 build 20220129 closes SAMBA vulnerability CVE-2021-44142

Posted on 2022-02-11 by guenni

[German]Taiwanese manufacturer QNAP has provided firmware updates for its NAS systems that are supposed to fix the SMB root vulnerability (CVE-2021-44142) in SAMBA. Here are some notes on updating QTS 5.0.0 to close the vulnerability, published by manufacturer QNAP in … Continue reading →

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QNAP: DeadBolt attacks via vulnerability patched in December 2021

Posted on 2022-02-01 by guenni

[German]The question why NAS manufacturer QNAP recently updated its devices via forced update has now been answered. The attacks by the DeadBolt ransomware that took place in January 2022 were only possible if the NAS owners made them accessible on … Continue reading →

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QNAP: Vulnerability in Media Streaming Add-on

Posted on 2021-10-28 by guenni

[German]Users of a QNAP NAS system should check the device's firmware for updates. Several versions of the QTS operating system and QuTS hero Edition have a vulnerability in the media streaming add-on that is rated as High. In the meantime, … Continue reading →

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Security patches for QNAP systems (2021/09/10)

Posted on 2021-09-11 by guenni

[German]NAS manufacturer QNAP has released security updates for devices that work with QTS, QuTS hero and QuTScloud on September 10, 2021. In addition, there are probably also security updates for routers with QuNetSwitch. The security updates are intended to close … Continue reading →

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Synology warns about OpenSSL vulnerability in products (August 26, 2021)

Posted on 2021-08-27 by guenni

[German]Synology has issued a security warning for its products as of August 26, 2021. Multiple vulnerabilities allow remote attackers to perform denial-of-service attacks or execute arbitrary code via a vulnerable version of Synology DiskStation Manager (DSM), Synology Router Manager (SRM), … Continue reading →

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Security Alert for Synology DiskStation Manager and UC SkyNAS

Posted on 2021-08-19 by guenni

[German]Synology has issued a security warning for its DiskStation Manager (version <6.2.4-25556-2 ; 7.0). There are several security vulnerabilities in the firmware of the devices. UC SkyNAS units are also at risk. Synology has already issued the first firmware updates. … Continue reading →

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Are QNAP NAS systems (TVS-872XT) dying a sudden death after shutdown?

Posted on 2021-07-22 by guenni

[German]Is there a problem with NAS systems from QNAP that certain models suddenly fail and "die", so to speak, during shutdown. The units can no longer be booted afterwards. I have found affected people with the TVS-872XT model, but also … Continue reading →

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