Dotfucator's .NET obfuscation and runtime checks have protected thousands of apps for over a decade. We invest in threat and protection research so you don't have to, and we constantly update our protection to stay ahead of the arms race. Dotfuscator has been vetted by thousands of customers including 400+ of the Fortune 500.

No Consultants Required
Protecting your app shouldn't require an army of consultants. You can make your first protected build in just a few minutes, in whatever build environment you use, and we have extensive, easy-to-read documentation showing how to enhance protection for your particular app. Our first-do-no-harm philosophy ensures that our defaults are safe for your app, now and in the future.

World-Class Support
Our support team is here for you. Based in the US and Europe, our highly-technical support engineers have seen it all - from simple configuration issues that are quickly resolved to deep .NET runtime bugs that we have to escalate to Microsoft and make workarounds for. Our customers love our support, and consistently give it the highest ratings.

Extensive Platform Support
Dotfuscator's long history (as the first .NET obfuscator!) means we have extensive support for just about every .NET platform there is - including all the newest platforms like Xamarin, .NET Core and build environments like Azure DevOps. Whether you're protecting a mature app that's facing new risks or a new app that you haven't released yet, Dotfuscator has you covered.

Protect your brand with professional-grade protection
Application development teams face an ever-growing set of security threats as apps become more central to business and attackers grow in sophistication. These days, intellectual property theft is just the beginning - apps are also gateways to trade secret theft, customer/user data theft, and to identifying further attack vectors. Breaches in any of these areas can cause serious revenue, reputation, and brand damage. Sophisticated app dev organizations know that investing in app protection is good risk management.

App protection is a complex problem
Basic renaming obfuscation isn't enough. PreEmptive Protection Dotfuscator for .NET provides many layers of protection: multiple forms of obfuscation (renaming, string encryption, control flow, and more) plus active runtime checks (tamper, debug, root, and more). But it's not just about protection - we design and test all these layers to be sure that they won't break your app as the runtime platform evolves. We also constantly monitor the tools that attackers use and update our protection to counter their changes. Attacking an app with these layered protections becomes nearly impossible - each time an attacker tries to attack one layer of the protection, another layer is there, stopping them.

Trade-offs: time, quality, longevity
App protection initiatives are subject to the same constraints as any development project: scope, time, and ongoing support. Dotfuscator's professional-grade protection is easy to implement and comes with PreEmptive's world-class support. Imagine how you'll feel after Dotfuscator is implemented: secure in your protection, proud the implementation went so well, and confident that PreEmptive will be there for you in the future. Don't risk your app and your brand on second-rate protection. Invest in professional-grade protection with PreEmptive Protection Dotfuscator for .NET.

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