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Meet Dusseldorf, Microsoft’s open-source out-of-band security platform

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Meet Dusseldorf, Microsoft’s open-source out-of-band security platform

Microsoft has released Dusseldorf, an open-source out-of-band application security testing platform designed to run in private environments. The tool captures inbound network traffic across multiple protocols and enables automated response crafting for validation workflows, addressing infrastructure gaps researchers typically build themselves when testing for out-of-band vulnerabilities.

Why it matters: Application security teams and researchers can now use a standardized, vendor-backed tool to detect when applications make unauthorized external connections during attacks, reducing the custom tooling burden and improving detection capabilities.

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Meet Dusseldorf, Microsoft’s open-source out-of-band security platform

Microsoft has released Dusseldorf, an open-source out-of-band application security testing platform designed to run in private environments. The tool captures inbound network traffic across multiple protocols and enables automated response crafting for validation workflows, addressing infrastructure gaps researchers typically build themselves when testing for out-of-band vulnerabilities.

Why it matters: Application security teams and researchers can now use a standardized, vendor-backed tool to detect when applications make unauthorized external connections during attacks, reducing the custom tooling burden and improving detection capabilities.

VendorsMicrosoft
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