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bigfluffydonkeyyesterday at 6:25 PM2 repliesview on HN

It's always crypto. A client got some AWS credentials stolen and without anyone checking the account, the hacker managed to spin up big EC2 instances across many regions. The bill after a month as I recall was around 100K. Since the activity was clearly fraudulent the bill was forgiven eventually. So remember to lock down your AWS keys permissions...


Replies

ajbyesterday at 11:13 PM

When that happened to a former employer AWS was calling us within a day. Worth making sure a real phone number is on there, as that's how they contact you for anything serious (and also if your finance dept decided to change the credit card without telling anyone)

9devyesterday at 8:55 PM

That; and also, enable the various monitoring and audit features in AWS now; start with CloudTrail. Nothing worse than being affected by this attack, and AWS not having any audit trail available.