Microsoft and CrowdStrike: What is known about the IT outage?
July 20, 2024

Microsoft and CrowdStrike: What is known about the IT outage?

The antivirus program made by CrowdStrike caused the issue, which was acknowledged by the cybersecurity company as aimed at defending Microsoft Windows devices against threats. Microsoft stated that they are taking mitigation action to address “the lingering impact” of the outage.

Worldwide travel mayhem has resulted from a huge tech meltdown, which has also severely impacted banking and healthcare systems.


The IT disruption, which caused many PCs to display blue error displays, has halted flights.
Due to the manual check-in process, airports worldwide saw long lines, delays, and cancelled flights.


Here is an overview of our current knowledge.

Why did the outage occur?


There’s still some confusion here.


Known for creating antivirus software, CrowdStrike’s goal is to stop hackers from causing exactly this kind of havoc.


He stated that they have identified and isolated the issue and deployed a fix. “This is not a security incident or cyberattack.”

It’s unclear what caused the issue with the update. One proposed fix involves removing a specific file, suggesting that a single rogue file might be responsible for the chaos.

When will it be rectified?


It might take a while.


Speaking to NBC News, CrowdStrike’s Mr. Kurtz emphasized the company’s mission: ensuring every client fully recovers from the outage.



“We’re deeply sorry for the impact caused to customers, travelers, and anyone affected by this, including our companies,” he stated.


Later, speaking to CNBC, he mentioned that while they can quickly fix some systems, rectifying others might take several hours or longer.


CrowdStrike has released the update. But insiders claim that they will need to administer it individually to every impacted device.


IT teams worldwide will find it extremely difficult to manually restart computers in safe mode.

What’s the fix?


While this outage affects companies, it is unlikely to impact your home computer or smartphone. It’s important to note this distinction. Microsoft recommends users try turning their devices off and on again, sometimes up to fifteen times, to resolve issues.


According to the IT behemoth, this has worked for some users of virtual machines. It also applies to PCs where the screen and computer are not in the same location.


Reports suggest up to fifteen reboots may be necessary. Generally, this troubleshooting stage has shown that reboots are beneficial.

Additionally, we advise clients with advanced computer skills to remove a specific file. A CrowdStrike employee has been sharing this remedy on social media. However, experts and IT professionals—not everyday users—are the target audience for this repair.

Which airports had this impact?


Although the issues are global in scope, Australia was the first to identify them. The airline industry may face the most negative impact, as it has canceled over 3,300 flights worldwide.


There were delays at UK airports, including lengthy lines at Gatwick and Stansted in London.
When Ryanair’s website returned, it notified customers about the “forced cancellation of a small number of flights today (19 July)” and provided guidance. British Airways also canceled a number of flights.

For a significant portion of Friday, several US airlines, most notably United, Delta, and American Airlines, grounded flights worldwide. Virgin Australia and Jetstar, two Australian airlines, also experienced flight delays or cancellations. Amsterdam and Tokyo airports and Delhi were also impacted.

Globally, payment systems, banks, and healthcare providers were also impacted by the issues.

Railway firms, including the largest in Britain, which operates Southern, Thameslink, Gatwick Express, and Great Northern, advised passengers to anticipate delays. This impacted the 911 emergency service in Alaska, and Sky News was unable to broadcast for several hours on Friday morning.

How might it impact me?


There’s a chance that the disruption will affect people’s timely payments.
The head of the Global Payroll Association, Melanie Pizzey, confirmed to the PA news agency that she had received calls from “many clients” who were unable to access their payroll software.


According to her, the outage might prevent businesses from processing employee paychecks this week, but it might also have unintended consequences.

“We could see a backlog with regard to processing payrolls for the coming month end, which may delay employees from receiving their monthly wage,” she stated.

We have some good news if you’re concerned about your own personal devices. Most people’s personal computers won’t be affected because the software at the core of this outage is typically used by corporations.

That implies the short answer to the question of whether you should remove a particular file to stop your computer from restarting all the time: no, you don’t.

What is CrowdStrike?


That a corporation not exactly known for household names, CrowdStrike, can be at the center of such global chaos serves as a reminder of the complexity of our contemporary digital infrastructure.


The Austin, Texas-based corporation is listed on the US stock exchange and can be found in the S&P 500 and the tech-heavy Nasdaq indexes.


It’s a relatively new company, much like many modern tech companies. Just 13 years have passed since its founding, but it already employs close to 8,500 people.

Being a cyber-security service provider, it frequently gets called in to handle hack attack aftermaths.


It has been investigating a number of high-profile cyberattacks, including the 2014 hacking of Sony Pictures’ computer system.


This time, a company known for resolving IT issues has inadvertently caused one due to a faulty software update.


In its most recent financial report, CrowdStrike reported having about 24,000 clients in total. That is a sign of the problem’s magnitude as well as the potential challenges in resolving it.


Since each client is a sizable organization, pinpointing the exact number of affected machines is challenging.