Last week in security news: recent “Screaming in the Cloud” guest Aidan Steele has a blog post about AWS VPC data exfiltration, Ocra finds a particularly nasty Azure breach with some sci-fi vibes, Google to acquire Mandiant, and more!
Corey: This is the AWS Morning Brief: Security Edition. AWS is fond of saying security is job zero. That means it’s nobody in particular’s job, which means it falls to the rest of us. Just the news you need to know, none of the fluff.
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Hello and welcome to Last Week in AWS Security. A lot has happened; let’s tear into it.
So, there was a “Sort of yes, sort of no” security issue with CodeBuild that I’ve talked about previously. The blog post
I referenced has, in fact, been updated. AWS has stated that, “We have updated the CodeBuild service to block all outbound network access for newly created CodeBuild projects which contain a customer-defined VPC configuration,” which indeed closes the gap. I love happy endings.
On the other side, oof. Orca Security found a particularly nasty Azure breach called AutoWarp
. You effectively could get credentials for other tenants by simply asking a high port on localhost for them via curl or netcat. This is bad enough; I’m dreading the AWS equivalent breach in another four months of them stonewalling a security researcher if the previous round of their nonsense silence about security patterns is any indicator.
“Google Announces Intent to Acquire Mandiant”
. This is a big deal. Mandiant has been a notable center of excellent cybersecurity talent for a long time. Congratulations or condolences to any Mandoogles in the audience. Please let me know how the transition goes for you.
Hive Systems has updated its password table
for 2022, which is just a graphic that shows how long passwords of various levels of length and complexity would take to break on modern systems. The takeaway here is to use long passwords and use a password manager.
Corey: You know the drill: You’re just barely falling asleep and you’re jolted awake by an emergency page. That’s right, it’s your night on call, and this is the bad kind of Call of Duty
. The good news is, is that you’ve got New Relic
, so you can quickly run down the incident checklist and find the problem. You have an errors inbox that tells you that Lambdas are good, RUM is good, but something’s up in APM. So, you click the error and find the deployment marker where it all began. Dig deeper, there’s another set of errors. What is it? Of course, it’s Kubernetes, starting after an update. You ask that team to roll back and bam, problem solved. That’s the value of combining 16 different monitoring products into a single platform: You can pinpoint issues down to the line of code quickly. That’s why the Dev and Ops teams at DoorDash, GitHub, Epic Games, and more than 14,000 other companies use New Relic. The next late-night call is just waiting to happen, so get New Relic before it starts. And you can get access to the whole New Relic platform at 100 gigabytes of data free, forever, with no credit card. Visit newrelic.com/morningbrief
And of course, another week, another terrifying security concern. This one is called DirtyPipe
. It’s in the Linux kernel, and the name is evocative of something you’d expect to see demoed onstage at re:Invent.
Now, what did AWS have to say? Two things. The first is “Manage AWS resources in your Slack channels with AWS Chatbot”
. A helpful reminder that it’s important to restrict access to your AWS production environment down to just the folks at your company who need access to it. Oh, and to whomever can access your Slack workspace who works over at Slack, apparently. We don’t talk about that one very much, now do we?
And the second was, “How to set up federated single-sign-on to AWS using Google Workspace”
. This is super-aligned with what I want to do, but something about the way that it’s described makes it sounds mind-numbingly complicated. This isn’t a problem that’s specific to this post or even to AWS; it’s industry-wide when it comes to SSO. I’m starting to think that maybe I’m the problem here.
And lastly, AWS has open-sourced a tool called Cloudsaga
, designed to simulate security events in AWS. This may be better known as, “Testing out your security software,” and with sufficiently poor communication, “Giving your CISO a heart attack.”
And that’s what happened last week in AWS security. If you’ve enjoyed it, please tell your friends about this place. I’ll talk to you next week.
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