Nothing to worry about.
"FCM as a messaging backend – such as Google Hangouts and Google Play Music."
Ten days ago, Abhishek Dharani, a Bengaluru, India-based bug hunter who goes by the name Abss online, recounted how he received a reward from Google for reporting a vulnerability in Google's Firebase Cloud Messaging (FCM) service. Dharani found that he could extract FCM server keys from Android apps, and use those keys to …
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