I remember back in the days the HTTP proxy of Sun Microsystems used to have a similar page when something went wrong. Always tried to find it again, but failed.
Reading through the article, the "hacker" was pretty naive and junior, installing an EDR on his hacking box. Or it was just a way to distract you guys ;)
> As a rule of thumb, if you believe that "nobody would connect that to the Internet, really nobody", there are at least 1000 people who did.