Worldwide IT Outage: Industries Face Total Disruption

Businesses and essential services around the world are scrambling to find the route cause of a major IT outage causing havoc around the world.

The cause of the widespread outage was widely unknown, as airlines, banks, health organisations and media broadcasters around the world scramble to take action. It has now been reported that Windows workstations are the cause, with services taken offline as a result of the so-called ‘blue screen of death’ appearing on Windows PCs. 

Microsoft says it is taking action to mitigate the problem, according to the BBC. The problem is not being treated as a cyberattack, but rather what cybersecurity firm CrowdStrike has referred to as a "defect found in a single content update for Windows hosts".

Issues have been reported in multiple countries, including India, the Netherlands, the United States, the United Kingdom, New Zealand and Japan, among others.

The impact of a widespread IT outage

Outages of this scale can have immense consequences. In a post-pandemic, digitally-reliant world, an incident like this demonstrates the far-reaching impact of what can happen if essential technology fails.

In the UK alone, train companies and the National Health Service (NHS) widespread IT issues, which is inevitably causing delays to services. In other parts of the world, American Airlines confirmed this morning that its flights are grounded on account of the IT problems, citing an issue with CrowdStrike cybersecurity software.

The organising committee for the Paris Olympics has also confirmed its IT operations are impacted, a week before the games are due to commence.

Operating on such a large scale, the IT incident is believed to have been triggered by a faulty software update.

These types of outages have not been uncommon recently, with the UK air traffic control systems experiencing a blackout in 2023 acting as an earlier example of what can happen in the event of a total system failure.

In addition, the impact of such significant cyber events cannot be understated within the healthcare sector. In June 2024, some London hospitals encountered an overwhelming ransomware attack linked to Synnovis, a provider of pathology services, that wreaked havoc on clinical services and led to significant cancellations.

“Largest IT outage in history”

Those that can access digital services have been quick to comment on the enormity of the outage. Australian computer expert Troy Hunt, who created the HaveIBeenPwned website, posted on X: “I don’t think it’s too early to call it: this will be the largest IT outage in history.

“The financial impact of this is already hard to fathom.”

Reports suggest that networks and services have been impacted around the world, after an update to software provided by the company CrowdStrike is reportedly causing issues with computers running Windows. As a result, Tom Kidwell, co-founder of Ecliptic Dynamics and former British Army intelligence specialist, says that the problem could be “nauseating to fix”.

“Due to the nature of the update, an individual from every organisation will need to boot into safemode, remove the issue file/driver, and then either roll back or update to a new version, something CrowdStrike will need to release very quickly,” he states.

“Incidents like this highlight the vulnerability in using a single supplier on such a vast scale, and why it’s critical that organisations have a backup plan. Best practice for vendors is to pressure test any updates before rollout, however this can be difficult when you serve 60-90% of the world.”

Disruption on such a large scale is not to be understated. As the level of cyberattacks continues to rise each year, businesses are being advised to ensure their data is protected and their systems are robust enough to withstand an outage or even a breach.

“This disaster is one of the starkest ever reminders of just how powerful cyber and software could be if used as a weapon,” writes Deborah Haynes, Security and Defence Editor for SkyNews. “While this outage does not appear to have been caused deliberately, it underlines the fragility of the modern world to technology given that most areas of life rely on some form of computer systems and lines of code.

“It means, the way of life of people in nations, across continents and around the globe can be brought to a halt - or at the very least inconvenienced - by a single faulty piece of software.”

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