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Kevin Beaumont

If you want to know something crazy:

- This year TCS migrated their EDR to CrowdStrike
- Then they announced a strategic partnership with CrowdStrike
- Then they lost all their systems
- They’re just finishing recovery today, 6 days in
- Then they got a $10 Uber Eats voucher
- …which got cancelled due to Uber flagging CrowdStrike’s account as fraudulent

24 comments
Kevin Beaumont replied to Kevin

CrowdStrike are… having a week.

Kevin Beaumont replied to Kevin

Questions for your EDR providers (do not assume they are experts in availability):

- What are your different update processes?
- How do you test them?
- Do you dogfood test them?
- Do you roll them out in waves? What are the details, eg what percentages and when?
- Do you monitor failures and roll back?

Kevin Beaumont replied to Kevin

CrowdStrike staff members are selling CrowdStrike monopoly sets they were given on eBay.

Kevin Beaumont replied to Kevin

There’s a really good discussion on @riskybusiness’s YouTube show about the CrowdStrike incident.

About the 3 minute mark @alex made me realise I was far too kind to CrowdStrike. He rightly rips them apart.

youtu.be/EGRqtscp4eE

Kevin Beaumont replied to Kevin

Re the Delta case - the lawyer they’ve hired successfully sued Microsoft previously on behalf of the US government, and the decision was upheld on appeal too. The ruling almost lead to the breaking up of Microsoft.

The following US government backed out of the case.

Bill Gates said at the time the lawyer was “out to destroy Microsoft”.

So there’s a chance here the CrowdStrike incident may end up having implications across vendor industry around warranties etc, we’ll see.

Kevin Beaumont replied to Kevin

Replacing an XDR platform at scale takes some time, so if you’re wondering what the translation of Elon’s tweet about Crowdstrike is:

Elon: can we replace Crowdstrike?
Somebody: yes, we’ll begin looking into it but..
Elon: job done

Of course.. given how the Twitter takeover happened maybe he just got them to uninstall it and #yolosec

Kevin Beaumont replied to Kevin

Delta’s CEO has confirmed they plan to take legal action against CrowdStrike after incurring a $500m loss

6 minute video interview: cnbc.com/2024/07/31/delta-ceo-

Kevin Beaumont replied to Kevin

CrowdStrike made a net loss of $845m between 2018 until this year, and has taken on $743m of debt during this period.

Kevin Beaumont replied to Kevin

Spirit Airlines in the US anticipates a $7.2 million hit to its third-quarter operating income due to operational disruptions caused by the CrowdStrike incident, which forced the carrier to cancel 470 flights.

Kevin Beaumont replied to Kevin

Here's the Delta boss on his thoughts about the CrowdStrike incident.

They had 40k Windows Server boxes alone, all with BitLocker full disk encryption enabled, all of which wouldn't boot and weren't fixable without manually unlocking BitLocker. That had gone all in with CrowdStrike + Microsoft's most premium offerings.

He has a really good point about how tech companies have become obsessed with growth as their only metric of success, and customer satisfaction is not on the radar.

Kevin Beaumont replied to Kevin

There's a really mad moment in that interview where they ask them what assistance CrowdStrike have offered, and he essentially says nothing, not even a lunch voucher.

What a time to be alive.

Kevin Beaumont replied to Kevin

CrowdStrike’s website then vs now

Kevin Beaumont replied to Kevin

CrowdStrike complained to Cloudflare about a CrowdStrike parody site… and Cloudflare took it down. Without a court order. clownstrike.lol/crowdmad/

Cloudflare recently announced they have become a strategic partner with CrowdStrike: cloudflare.com/en-gb/press-rel

Kevin Beaumont replied to Kevin

Additionally to loop this in, CrowdStrike submitted a takedown for a parody label (they’ve since rescinded it after being called out).

Kevin Beaumont replied to Kevin

We’ve reached the part of the brand cycle where people are using CrowdStrike as an excuse theverge.com/2024/8/2/24212298

Kevin Beaumont replied to Kevin

360 takes a look at the Crowdstrike kernel drivers - finds they implement an eBPF like system, contain a wide attack surface, don’t check validity of update files (eg no signing of updates) and claim they contain conditions for LPE and RCE vulnerabilities. mp.weixin.qq.com/s/uD7mhzyRSX1

Before people write this off as ‘the Chinese’, I’ll give you a hint: there really, really should be security research about the security of security products across all vendors. I’ve seen things.

360 takes a look at the Crowdstrike kernel drivers - finds they implement an eBPF like system, contain a wide attack surface, don’t check validity of update files (eg no signing of updates) and claim they contain conditions for LPE and RCE vulnerabilities. mp.weixin.qq.com/s/uD7mhzyRSX1

Kevin Beaumont replied to Kevin

Previously on Crowdstrike Falcon vulnerability research, check out this timeline where they tried to use NDAs to avoid disclosure, then fixed it without telling anybody. modzero.com/modlog/archives/20

VessOnSecurity replied to Kevin

@GossiTheDog I had a similar experience with Microsoft.

A junior colleague found a 1-click exploit in Skype for Linux. We reported it. We didn't want any bounty money - just to be assigned a CVE that we could include in our paper. Microsoft's response was essentially "it's not an RCE, go away".

Then they silently fixed it, without crediting us.

Never every doing the "responsible disclosure" dance with Microsoft ever again.

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