Andrei Epure

How your .NET software supply chain is open to attack : and how to fix it

NuGet's default settings leave your projects vulnerable to supply chain attacks. Learn the two essential configuration changes you need to secure your builds.

How your .NET software supply chain is open to attack : and how to fix it
#1about 3 minutes

Understanding the risks in your software supply chain

Malicious packages are a growing threat across all major package managers that can lead to data exfiltration from build and developer machines.

#2about 4 minutes

How typosquatting attacks exploit common developer mistakes

Attackers publish packages with common misspellings of popular libraries to execute malicious code when a developer makes a typo.

#3about 4 minutes

A live demo of a typosquatting attack in .NET

A demonstration shows how a misspelled package name can lead to remote code execution during a standard build process using MSBuild targets.

#4about 4 minutes

Using trusted signers to defend against typosquatting

You can secure your nuget.config by requiring signature validation and specifying a list of trusted package owners to prevent unauthorized packages.

#5about 4 minutes

Explaining dependency confusion attacks in the NuGet ecosystem

NuGet's package resolution can be exploited by attackers who publish a public package with the same name as your internal private library.

#6about 3 minutes

A live demo of a dependency confusion attack

A demonstration shows how a floating version reference can cause NuGet to pull a malicious public package over a trusted private one.

#7about 2 minutes

Preventing dependency confusion with package source mapping

The packageSourceMapping feature in nuget.config allows you to explicitly define which source a package pattern should be restored from.

#8about 5 minutes

A summary of key NuGet security best practices

A review of essential security measures includes using trusted signers, package source mapping, reserving prefixes, and signing your own packages.

Related jobs
Jobs that call for the skills explored in this talk.

Matching moments

Selecting strategic partners and essential event tools
03:17 MIN

Selecting strategic partners and essential event tools

Cat Herding with Lions and Tigers - Christian Heilmann

Organizing a developer conference for 15,000 attendees
01:32 MIN

Organizing a developer conference for 15,000 attendees

Cat Herding with Lions and Tigers - Christian Heilmann

Establishing a single source of truth for all data
02:39 MIN

Establishing a single source of truth for all data

Cat Herding with Lions and Tigers - Christian Heilmann

Using content channels to build an event community
04:49 MIN

Using content channels to build an event community

Cat Herding with Lions and Tigers - Christian Heilmann

Increasing the value of talk recordings post-event
04:57 MIN

Increasing the value of talk recordings post-event

Cat Herding with Lions and Tigers - Christian Heilmann

Balancing the trade-off between efficiency and resilience
03:38 MIN

Balancing the trade-off between efficiency and resilience

What 2025 Taught Us: A Year-End Special with Hung Lee

The security risks of AI-generated code and slopsquatting
05:55 MIN

The security risks of AI-generated code and slopsquatting

Slopquatting, API Keys, Fun with Fonts, Recruiters vs AI and more - The Best of LIVE 2025 - Part 2

Automating formal processes risks losing informal human value
03:48 MIN

Automating formal processes risks losing informal human value

What 2025 Taught Us: A Year-End Special with Hung Lee

Featured Partners

Related Videos

See all videos
Programming secure C#/.NET Applications: Dos & Don'ts33:29

Programming secure C#/.NET Applications: Dos & Don'ts

Sebastian Leuer

Securing your application software supply-chain28:27

Securing your application software supply-chain

Niels Tanis

Supply Chain Security and the Real World: Lessons From Incidents24:47

Supply Chain Security and the Real World: Lessons From Incidents

Adrian Mouat

Open Source Secure Software Supply Chain in action32:55

Open Source Secure Software Supply Chain in action

Natale Vinto

You click, you lose: a practical look at VSCode's security29:47

You click, you lose: a practical look at VSCode's security

Thomas Chauchefoin & Paul Gerste

Walking into the era of Supply Chain Risks37:36

Walking into the era of Supply Chain Risks

Vandana Verma

Security Pitfalls for Software Engineers27:32

Security Pitfalls for Software Engineers

Jasmin Azemović

Hack-Proof The Node.js runtime: The Mechanics and Defense of Path Traversal Attacks27:10

Hack-Proof The Node.js runtime: The Mechanics and Defense of Path Traversal Attacks

Sonya Moisset

Related Articles

View all articles
CH
Chris Heilmann
Dev Digest 138 - Are you secure about this?
Hello there! This is the 2nd "out of the can" edition of 3 as I am on vacation in Greece eating lovely things on the beach. So, fewer news, but lots of great resources. Many around the topic of security. Enjoy! News and ArticlesGoogle Pixel phones t...
Dev Digest 138 - Are you secure about this?

From learning to earning

Jobs that call for the skills explored in this talk.