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IT outage: banks, airlines and media hit by issues linked to Windows PCs

A global IT outage has caused chaos at airports, banks, railways andbusinesses around the world as a wide range of services were taken offline and millions of people were affected.

In one of the most widespread IT crashes ever to hit companies and institutions globally, air transport ground to a halt, hospitals were affected and large numbers of workers were unable to access their computers. In the UK Sky News was taken off air temporarily and the NHS GP booking system was down.

Microsoft’s Windows service was at the centre of the outage, with experts linking the problem to a software update from cybersecurity firm Crowdstrike that has affected computer systems around the world. Experts said the outage could take days from which to recover because every PC may have to be fixed manually.

Overnight, Microsoft confirmed it was investigating an issue with its services and apps, with the organisation’s service health website warning of “service degradation” that meant users may not be able to access many of the company’s most popular services, used by millions of business and people around the world.

Among the affected firms are Ryanair, Europe’s largest airline, which said on its website: “Potential disruptions across the network (Fri 19 July) due to a global third party system outage … We advise passengers to arrive at the airport three hours in advance of their flight to avoid any disruptions.”

theguardian.com/…/microsoft-windows-pcs-outage-bl…

Nikls94 ,

Everyone shitting on windows, yet this thing exists on Linux as well… I also started to dislike windows, yet this is not the time to be against windows users, this is to go against Cloudstrike together for even letting this happen.

Jozzo ,
@Jozzo@lemmy.world avatar

Got hit with this in the middle of work. We only have one customer using CrowdStrike, and only staff PCs, no infrastructure. But this one is REAL bad, caused by turning your PC on, and cannot be patched - each affected PC needs to be manually fixed. Would not be surprised to see Linux usage go up after this.

Thorry84 ,

More likely people switch from Crowdstrike to another security/audit software provider. And not to put too fine a point on it, but Microsoft will probably sweep up a lot of fleeing Crowdstrike customers with their Sentinel products.

cron ,

This seems like a huge win for Microsoft

azenyr ,

Having half of the world depend on a corporate proprietary single company is the stupidest thing ever. They will learn nothing with this, sadly

Thorry84 ,

While you are right, this outage has basically nothing to do with Windows or Microsoft. It’s a Crowdstrike issue.

Diplomjodler3 ,

It also has to do with software updates being performed without the user having any control over them.

Thorry84 ,

Agreed, but again these updates were done by the Crowdstrike software. Nothing to do with Microsoft or Windows.

In this case it was an update to the security component which is specifically designed to protect against exploits on the endpoint. You’d want your security system to be up to date to protect as much as possible against new exploits. So updating this every day is a normal thing. In a corporate environment you do not want you end users to be able to block or postpone security updates.

With Microsoft updates they get rolled out to different so called rings, which get bigger and bigger with each ring. This means every update is already in use by a smaller population, which reduces the chances of an update destroying the world like this greatly.

cron ,

I absolutely expect vendors to push out new patterns automatically and as fast as possible.

But in this case, a new system driver was rolled out. And when updating system software, I absolutely expect security vendors to use a staged rollout like everyone else.

Thorry84 ,

100% agreed, Crowdstrike fucked up with this one. I’m very interested to hear what went wrong. I assume they test their device drivers before deploying them to millions of customers, so something must have gone wrong between testing and deployment.

Something like this simply cannot happen and this will cost them customers. Your reputation is everything in the security business, you trust you security provider to protect your systems. If the trust is gone, they are gone.

nightrunner ,
@nightrunner@lemmy.world avatar

Windows Server OSes running CrowdStrike affected too

slazer2au ,

Windows PC running Crowdstrike.

deathmetal27 ,

Shhh

jmcs ,

The OS getting fully bricked because of a third party software update is still very much a OS level fuck up.

Robin ,

Depends. Since this is security software it probably has a kernel driver component. I think in linux a 3rd party kernel module could do the same. But the community would not accept closed source security software, especially not in the kernel.

bjoern_tantau ,
@bjoern_tantau@swg-empire.de avatar

They even have a version for Linux, which is a kernel module.

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