To me that means Amazon can and will monitor every keystroke of every employee.
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How did Amazon know the lag?
Probably a remote kvm system with QOS monitoring. Many secure systems won’t let you connect directly to sensitive resources from your personal workstation.
But the infiltrator hacked the remote worker's computer.
The actual worker may have been require to use...
https://aws.amazon.com/workspaces/desktop-as-a-service/
But the lag from the infiltrator to that is what was detected. There was presumably no Amazon software installed on the infiltrator's computer so how can the lag be measured?
Keyboard input over kvm is pretty awful. It’s possible the kvm software was enforcing a delay between keystrokes to make sure they are delivered in order. Seeing keys consistently pressed with 500ms separation would be odd.
This is a company that's been reported to use the dwell time of you mouse over a product as a potential indicator of interest. Something like a Citrix remote desktop is extremely chatty trying to keep the origin and server in sync with every move of a mouse or keystroke. If the ACKs from the origin confirming the receipt of screen change data took an abnormally long time it could show in system performance metrics pretty easily.
And now you know why you should encrypt your data on any cloud provider.
I'm kind of surprised the latency was that low. Unless the NK "employee" was spoofing being in SK or something.
The article says he was remotely controlling a company laptop located in Arizona. A woman located in AZ was facilitating the NK workers, but she was recently charged with the fraud.
Hong Kong to Los Angeles is around 70ms latency (140ms round trip) so I'm not too surprised.
How was he hired 🤯 ? It's a skill
There was a scam going where they would offer for someone to apply for a role and use that good candidates clean information to get it v they would do the work and split the pay with the person who's info they used.
In exchange that person would get "job experience", the perks of WFH, and the ability to hold down more than one of these figurehead jobs simultaneously.
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