Earlier quoted context omitted.
I worked at a place that had virtually zero internal systems, including version control, and relied heavily on Github in particular for things like access control, beyond just source control. One of their remote devs had his Github account hacked (pre 2FA) and then had access to Slack as well, and the hacker managed to socially engineer his way into a number of sensitive areas and increased access, to the point the c…
But that sounds like a case where the attacker would have gained access to most relevant stuff anyway, and the difference in effect was mostly to the tune of $35k in costs (instead of spending resources on companies' own hardware)? While that's a big chunk for a start-up, it's not even one year of a developer salary. While I am of the similar old school like you (I run my own mail server, web server, nextcloud, used…
If that stuff is only hosted internally behind a firewall, with a VPN requirement to access, it would have been fine. Instead it was all on Github.