Ask HN: How to secure website for public launch

Id like to launch a website project online. It has some functionality e.g. user can input search parameters to find specific locations using Goole maps API, and search based on device location. I'm concerned about my program not being robust enough from a security point of view, e.g. where user input occurs, I'm not confident I can manage malicious actors. How do you launch websites that use a front and back end, securely? I'm confident in launching static websites, reasonably experienced in python, PHP, (but only for localhost personal project work), this is really me taking the big leap from localhost projects to live. Are there third party services that give extra security, or is it a case of learning this side of software from first principles? Thanks in advance.

Comments URL: https://news.ycombinator.com/item?id=39874201

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https://news.ycombinator.com/item?id=39874201