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How to use PowerShell for WannaCry / WannaCrypt cleanup and prevention

Explosive ransomware infection rates of WannaCrypt/WannaCry have IT groups trying to mass diagnose, update and protect their machines. Thing is, that’s just not practical to do manually – for pretty...

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Practical PowerShell for IT Security, Part IV:  Security Scripting Platform (SSP)

In the previous post in this series, I suggested that it may be possible to unify my separate scripts — one for event handling, the other for classification — into...

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Practical PowerShell for IT Security, Part III: Classification on a Budget

Last time, with a few lines of PowerShell code, I launched an entire new software category, File Access Analytics (FAA). My 15-minutes of fame is almost over, but I was...

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Practical PowerShell for IT Security, Part II: File Access Analytics (FAA)

In working on this series, I almost feel that with PowerShell we have technology that somehow time-traveled back from the future. Remember on Star Trek – the original of course...

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Practical PowerShell for IT Security, Part I: File Event Monitoring

Back when I was writing the ultimate penetration testing series to help humankind deal with hackers, I came across some interesting PowerShell cmdlets and techniques. I made the remarkable discovery...

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The Difference Between Bash and Powershell

You don’t normally talk philosophy and IT when considering Bash and Powershell, but if it’s one thing I’ve learned over the past 20 years of sysadmin work it’s that whether...

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The Complete PowerShell Tool Roundup

A hand-curated list of 70 tools to power up your workflow. Ultimate PowerShell Prompt Customization and Git Setup Guide Let’s spend a little time installing ConEmu and Git, then customizing...

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Windows PowerShell Tutorial For Beginners

Windows PowerShell is an interactive object-oriented command environment developed by Microsoft to automate tasks and simplify configuration. It’s used to automate almost any area of the Windows ecosystem, including Active Directory and Exchange....

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Getting Started with PowerShell Option Inputs

PowerShell is the dominant method of automating tasks and scripting changes for Windows sysadmins. This article covers getting started with some basic PowerShell usage and how to pass optional customization...

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Using PowerShell to Combat CryptoLocker

On the Varonis blog, we recently wrote about how CryptoLocker—the malware that encrypts your local files and holds them for a Bitcoin ransom—has better marketing than many companies. However, we...

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