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PowerShell Module Function Export in Constrained Language

PowerShell Module Exporting Functions in Constrained Language PowerShell offers a number of ways to expose functions in a script module. But some options have serious performance or security drawbacks. In this blog I describe these issues and provide simple guidance ... continue reading

PowerShell Module Exporting Functions in Constrained Language

PowerShell Module Exporting Functions in Constrained Language PowerShell offers a number of ways to expose functions in a script module. But some options have serious performance or security drawbacks. In this blog I describe these issues and provide simple guidance ... continue reading
PowerShell Injection Hunter: Security Auditing for PowerShell Scripts

PowerShell Injection Hunter: Security Auditing for PowerShell Scripts

At the DEFCON security conference last year, we presented the session: “Get $pwnd: Attacking Battle Hardened Windows Server“. In this talk, we went through some of the incredibly powerful ways that administrators can secure their high-value systems (for example, Just ... continue reading

PowerShell Constrained Language Mode

PowerShell Constrained Language Mode What is PowerShell Constrained Language? PowerShell Constrained Language is a language mode of PowerShell designed to support day-to-day administrative tasks, yet restrict access to sensitive language elements that can be used to invoke arbitrary Windows APIs ... continue reading

Defending Against PowerShell Attacks

The security industry is ablaze with news about how PowerShell is being used by both commodity malware and attackers alike. Surely there’s got to be a way to defend yourself against these attacks! There absolutely is. PowerShell is – by ... continue reading

Coming Soon – PowerShell in Azure Cloud Shell

At BUILD 2017, we announced the preview of Azure Cloud Shell supporting the Bash shell. We are adding PowerShell support to Azure Cloud Shell, which gives you a choice of shell to get work done. Sign-up today to participate in ... continue reading
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OpenSSH Security Testing Kick Off

Over the past while, we’ve been very busy porting OpenSSH to Win32. We’ve been working with the OpenSSH community in our GitHub repository, and are nearing a point where we are taking steps to make it production ready. Security is ... continue reading