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Increase disk and zfs of nextcloud vm running on proxmox

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To increase the data disk of your nextcloud vm, which is running on proxmox, you need to do the following: Make sure no disk snapshot is act...
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haveibeenpwned.com Cit0day pwned readmore.de and many others

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Import Nextcloud VM OVA to Proxmox VE

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How to import a Nextcloud VM OVA image file to a Proxmox VE server: 1. Unzip the file: root@proxmox1:/var/lib/vz/images# root@proxmox1:/var...

Python security testing using mutmut

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If you want to test your python code for bugs and possible security issues, one way is mutant testing using mutmut: https://pypi.org/project...

Forget the phrase "password" - it should be pass-sentence

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It is unfortunate that the word "password" has the word "word" in it. That leads to people almost always use one word, a...

Intel NUC 10th gen running VMware ESXi 7.0

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Due to growing data I had to add more storage. Therefore I bought a new Intel NUC (10th generation)  running VMware ESXi 7.0. Really helpful...

SIEM Use Case - find suspicious powershell commands

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Microsofts Powershell is a very mighty tool, which can be used as LoLBin. To detect suspicious powershell commands or scripts, a SIEM use ca...

Windows 10 start menu critial error fix

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A possible solution to the following error in Windows 10 when trying to use the start menu: English Error: Critical Error – Your Start menu ...

Python regex findall groups

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When trying to use groups for regular expression searches with findall in python, python wont work as in re.search: Example with re.search ...

Real world examples of attack chains with Att&ck mapping

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Microsoft Threat Protection Intelligence Team released in the past some great detailed articles (e.g. 2020-03 Ransomware , 2018-03 FinFishe...

Windows 10 Photos shows "Invalid Value for Registry"

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When trying to open a picture, for example a JPEG, with Windows 10 picture the error message "Invalid Value for Registry" or ...

Nextcloud VM updater shows permissions error

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When trying to update your Nextcloud VM using the updater in the GUI the following error might be shown:  Check for write permission...

PIP in Anaconda3 on Windows for Python

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If you are using Anaconda3 on Windows for python development you may want to know, which version of pip is installed: Start Anaconda Shell (...

How to increase IT security of a company using quick wins

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How to increase my companys IT security? Of course there are many, many, many topics, processes, systems, parameters, awareness and a lot mo...

Example of Spear Phishing Attack in detail

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The McAfee blog released an article about how a current spear phishing attack (T1566) looks like in detail: (Picture from McAfee Blog ) Mo...

Windows file or folder in use - cant be deleted or modified

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When trying to delete files or folders, clean malware, or just modify something on your Windows system, windows won't let you, because t...

FortiAnalyzer reports - how to group subdomains to only show the root domain

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Most Fortinet FortiAnalyzer reports use the full domain including subdomains, e.g. www.google.com or maps.google.com. If you want to group s...

Debugging PRTG Enterprise Console Remover

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Paessler just released for PRTG a remover for the deprecated Enterprise Console: PRTG Enterprise Console Remover.exe: You can uninstall sta...

Restore CHK files

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I just had to restore many broken CHK files of a SD card from a hidden FOUND.000 folder. The program "unchk.exe" helped me: ...