From the course: CCSP Cert Prep: 4 Cloud Application Security

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Error and exception handling

Error and exception handling

From the course: CCSP Cert Prep: 4 Cloud Application Security

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Error and exception handling

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- [Instructor] Many security issues occur when software acts in an unexpected manner in response to invalid user input or another error situation. For this reason, appropriately handling errors is a critical component of software security. Software is designed to perform orderly transitions between different states. For example, let's consider a very simple software program that's designed to calculate the sales tax on a retail purchase. The software might sit at an input screen waiting for the user to input a purchase amount. When it receives that input, it calculates the transaction tax and then moves into a display mode where it displays the tax amount to the user. The user can then press a new transaction button to enter another transaction amount. You might view this as three different states that the software has, awaiting input, calculating tax, and displaying output. This simple state transition model…

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