Today I heard an interview on NPR with a Mastodon instance admin. Besides the good points, a few vulnerabilities were discussed:

1) The need for instance admins to be in communication to collectively ban trolls, racists, etc.

2) Inferior security compared to Twitter which (in their words) had a top security team.

3) Nation-state bad actors targeting users in interest-specific instances (ex. journalism). DMs a target in particular.

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Guess where these things are NOT an issue?

#cosorocks