A good post in terms of highlighting poor security practicies, although I had a read through that link to that article on The Register and what it is highlighting is actually about the Firebase Realtime Database, which is a different service.
Ultimately I think it is critical that developers understand the technologies they are using because you can build an insecure app on any stack. There were a lot of insecure LAMP stack applications too. I think the common element here is that technology stacks with a low barrier to entry attract a lot of inexperienced and self-taught developers and Firebase is attractive to that same crowd. An inexperienced developer is more likely to build an insecure app than an experienced developer. A lot of the issues you highlighted would be obvious to expereinced devs. It's an education issue, not a technology issue.
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A good post in terms of highlighting poor security practicies, although I had a read through that link to that article on The Register and what it is highlighting is actually about the Firebase Realtime Database, which is a different service.
Ultimately I think it is critical that developers understand the technologies they are using because you can build an insecure app on any stack. There were a lot of insecure LAMP stack applications too. I think the common element here is that technology stacks with a low barrier to entry attract a lot of inexperienced and self-taught developers and Firebase is attractive to that same crowd. An inexperienced developer is more likely to build an insecure app than an experienced developer. A lot of the issues you highlighted would be obvious to expereinced devs. It's an education issue, not a technology issue.