531
Developer posts secret key on GitHub, loses $40K in 2 minutes
(cointelegraph.com)
This is a most excellent place for technology news and articles.
The scanning part is definitely automated by many different actors (for the gains or the "lulz"), but being this fast, also automated key usage (account draining) must have been implemented which is a bit more impressive...
Not really. All of the underlying mechanics of crypto are so simple that they can be very easily interacted with by bots. Bots make up the vast majority of all crypto trades; mostly wash trading, but also front-running attacks, scams or outright thefts like this one. There are so many exploitable flaws in crypto that every bug is basically a self-executing bug bounty.