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Charlotte has been writing about tech and security for over 20 years. She’s currently a senior security writer for the Synopsys Software Integrity Group.
TypeScript is both a strongly typed and a statically typed language. Strongly typed languages require explicit declarations to convert or compare between types. Strongly typed languages are more secure than weakly typed ones because they require an extra step to convert between languages. This means, for instance, that they won’t allow you to change a character into a number, which can help prevent errors like CWE-704 Incorrect Type Conversion or Cast.
Why is Shifting Left Important?
When we start with the idea that every business is a software business, it becomes clear that software risk is business risk. That’s why it’s imperative to build trust into your software from the start. Moving security earlier in the development process and building security checks in along the way (“shifting left”) recognizes the importance of security and makes more people responsible for its implementation.
Shifting left means that developers need to be aware of the security implications of their code, instead of outsourcing that responsibility to a separate security team. Security teams will still perform a prelaunch review and any remediations required, but that process will be far less time-consuming if security has been baked in from the beginning.
Solutions to Help You Build Trust in Your Software
Adding TypeScript to your development process can increase the trust you’re building into your software by enforcing more secure coding earlier in the process. However, like any tool, when used incorrectly, TypeScript can have security issues. That’s why it’s critical to add application security-testing tools that support security-optimized languages to your toolbox as well.
While TypeScript can increase the security of your development pipeline, adding a testing tool like Synopsys Coverity can shift security left in the SDLC and support the workflows and timelines of your developers. By adding tools that developers want to use, you can be sure that you’re having a real, tangible impact on your security posture.
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