Windows/CrowdStrike outage recap: Today’s ‘Blue Screen of Death’ error explained




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2024-07-19T11:46:59.318Z
A global outage puts banks, TV stations, stores, airlines, and more into disarrayIn what some have called the biggest IT outage in years, Americans are waking up to a world in disarray as businesses and services struggle to recover from a global issue that has resulted in Windows workstations and terminals showing ‘DRIVER_OVERRAN_STACK_BUFFER’ Blue Screen of Death (BSoD) errors. 

2024-07-19T12:04:50.587Z
Airlines hit hard as flights are grounded amid communication issuesAirlines from China to India and the US have all seen major disruptions, with Delta, United, and American Airlines all grounding planes due to reported communication issues.An image shared by Future Publishing Exec Kevin Addley shows the BSoD issue currently impacting display boards, causing delays and disruptions at JFK airport — a situation many seeking to travel today may become familiar with unless the issue is quickly resolved and its after effects resolved.(Image credit: Future / Kevin Addley)

2024-07-19T12:09:03.922Z
Stores struggle in the wake of CrowdStrike outageToday’s ongoing issue was first reported in Australia, though the outage continued to grow as Europe, the UK, and eventually the US all began suffering from the same service disruptions.Even stores have been impacted by the outage, with this scene from Australia showing self service machines locked into a BSoD.TECH OUTAGE: Self service machines across Woolworths supermarkets are not operational. Blue screen of death. #crowdstrike pic.twitter.com/RS42zcEQi2July 19, 2024

2024-07-19T12:17:48.736Z
Worldwide disruption for internet servicesOnline service tracker DownDetector reports numerous spikes and rises in reported services disruptions across multiple businesses, with banking, communication, and cloud services being among the most impacted.(Image credit: DownDetector.com)

2024-07-19T12:22:33.456Z
In a statement sent by email, CrowdStrike confirmed that the fault had ben identified, saying it was “actively working with customers impacted by a defect found in a single content update for Windows hosts.”CrowdStrike went on to confirm that its services were secure and that a fix was inbound, stating: “This is not a security incident or cyberattack. The issue has been identified, isolated and a fix has been deployed.”

2024-07-19T12:28:28.847Z
CrowdStrike issue steps to resolve issue to affected businessesCrowdStrike has contacted customers to inform them of actions they can take to workaround the ongoing outage. Though as some have pointed out, CrowdStrike’s process won’t be a simple set maneuvers for all, meaning we can’t expect full recovery a once.Today’s outage could have severe knock-on effects, and should raise plenty of questions about the widespread adoption and reliance on a single source for such vital software.Crowdstrike just put out steps to remediate the current outage on the end users side. They’ve emailed them out to every customer and partner. Go check your inboxes!For those that don’t understand what is going on there is a major outage of tons of services and businesses going… pic.twitter.com/zvRoopLbPnJuly 19, 2024

2024-07-19T12:35:02.954Z
As a fix is deployed, how long will the outage continue?With the widespread outage having touched almost every service and business associated with CrowdStrike, even after normal service resumes, there’ll be a considerable disruption to regular services as companies begin to play catch up from the day’s troubles.While it appears that several services are returning to working order, airlines will likely be among he industries left reeling from the disruption as flights seek to resume as normal and passengers look for updates on delayed journeys. 

2024-07-19T12:39:37.298Z
US services prepare for CrowdStrike falloutWhile companies like Microsoft report that its services are back up and running, other companies prepare for continued disruption throughout the day. Columbia Gas of Ohio are playing things safe, asking customers to avoid using its app or website to report issues or problems and instead call in to report potentially dangerous or harmful issues.We’re experiencing technical issues with our website and mobile app today due to the global technology outage involving Crowdstrike. If you have an emergency and are unable to report it to our 24/7 emergency line 1-800-344-4077, please call 911 from a safe place.July 19, 2024

2024-07-19T12:46:17.487Z
Even TV stations were impacted by the Windows/CrowdStrike outageWhile business and services have been mostly affected, in the UK, media outlet Sky News encountered disruptions lasting for nearly three hours. The TV channel has since recovered as more and more of today’s disruption is cleared.(Image credit: Sky)

2024-07-19T12:51:22.311Z
CrowdStrike’s latest statement on today’s outageAn update on the CrowdStrike website gives us the latest word from the company in the wake of today’s events:”CrowdStrike is actively working with customers impacted by a defect found in a single content update for Windows hosts. Mac and Linux hosts are not impacted. This is not a security incident or cyberattack. The issue has been identified, isolated and a fix has been deployed. We refer customers to the support portal for the latest updates and will continue to provide complete and continuous updates on our website. We further recommend organizations ensure they’re communicating with CrowdStrike representatives through official channels. Our team is fully mobilized to ensure the security and stability of CrowdStrike customers.”

2024-07-19T12:59:36.637Z
User reports still high after CrowdStrike fix released(Image credit: DownDetector.com)Customers of various services are still reporting issues in the aftermath of today’s outage. While a fix has been deployed, it won’t be business as usual for many companies.TD Bank is currently facing even higher elevations of reported service disruptions, with earlier social media posts indicating issues with accessing bank accounts online or via the bank’s app.If you have TD bank, nothing is working- online or on app.. i get paid today but can’t confirm ughJuly 19, 2024

2024-07-19T13:14:18.570Z
Other US banks facing large numbers of service disruptionsTD Bank isn’t alone in facing growing numbers of service disruption reports. Banks like Chase, Arvest, US Bank, and Bank of America are all showing upticks in user-submitted reports.

2024-07-19T13:26:54.388Z
CrowdStrike user reports show strange uptick post-fix(Image credit: DownDetector.com)According to DownDetector, CrowdStrike is currently facing an uptick in user reports for service disruption. However, don’t panic, this is likely as people catch up with the news of its deployed fix.

2024-07-19T13:47:17.087Z
Even an hour after CrowdStrike released guidance to fix today’s mass IT issue, many major financial institutions like banks and credit card companies are still receiving outage reports. User reports on DownDetector have yet to slow down for the likes of Bank of America, TD Bank, VISA, Chase, and more. Most reports relate to accessing online accounts. So, if you’re running into issues checking your bank account or credit card balance, it’s most likely due to the CrowdStrike outage. (Image credit: DownDetector)

2024-07-19T13:56:43.646Z
Kevin Reed, Chief Information Security Officer at Acronis, shared some expert insights on the CrowdStrike outage with Laptop Mag: “The recent CrowdStrike outage appears to stem from a bug in their EDR agent, which was unfortunately not thoroughly tested… The flawed update necessitates manual intervention to resolve, specifically rebooting systems in ‘safe mode’ and deleting the faulty driver file. This process is cumbersome and leaves systems vulnerable in the interim, potentially inviting opportunistic attacks.”Acronis is a leader in cybersecurity and data protection, with many users impacted by today’s CrowdStrike outage. Reed raises an important point about today’s outage.While the CrowdStrike outage wasn’t caused by a cyber attack, it could open the door for hackers to take advantage of offline or crippled systems. 

2024-07-19T14:03:30.412Z
“This issue reminds us how fragile IT infrastructure is and why cybersecurity should be natively integrated with backup,” Kevin Reed, Chief Information Security Officer at Acronis, tells Laptop Mag. Reed also noted, “For our Acronis customers, those with recent backups can restore their systems to a stable state, minimizing downtime and exposure. Moving forward, we recommend all businesses ensure robust backup solutions and advocate for better testing protocols from their security vendors.” Reed also explained that testing for the type of software update involved in today’s CrowdStrike outage can usually take days or even weeks. More extensive testing may have been able to prevent the issue. However, Reed also makes a good point about the importance of regular backups. Whether you’re a business owner or an individual user, regularly backing up your laptop or PC can really come in handy during situations like this. If you use anti-virus or cybersecurity software, check with your software provider to see if they offer free or automated backups. 

2024-07-19T14:11:10.382Z
Airlines have been effectively frozen all over the world as a result of today’s CrowdStrike outage. X (formerly Twitter) user @YourAnonTV shared this eerie video of abandoned Delta Airlines ticket terminals with screens overhead stuck on the Blue Screen of Death. Even over an hour after CrowdStrike released information on resolving the issue, airlines around the globe are still grounded. 🚨GLOBAL IT OUTAGE- Caused by cybersecurity firm CrowdStrike- Faulty update crashes Windows- Affecting companies and organizations- PCs show ‘Blue Screen of Death’- Banks, airlines, media also impacted- Many PCs require individual fixes pic.twitter.com/vfyXTQxQFmJuly 19, 2024

Mac and Linux users waking up to today’s CrowdStrike outage will be pleasantly surprised to notice their systems are up and running as usual. The software update causing the “Blue Screen of Death” on Windows computers all over the globe did not impact Mac or Linux systems. So, if there’s one thing this outage has highlighted for all of us, it’s how dependent the world is on the Windows operating system. Mac and Linux users have wasted no time posting about the situation: Waking up as a Linux user today #Crowdstrike pic.twitter.com/rkC4hGQhLYJuly 19, 2024

2024-07-19T14:25:53.659Z
Today’s CrowdStrike outage will likely go down as the biggest in history, impacting everything from airlines to grocery stores. Many businesses may spend the rest of the day (and potentially even longer) getting back online. Moving forward, it will be interesting to see how the world’s IT leaders respond. What steps will be taken to prevent something like this from happening again? This outage has made it clear that when the world goes offline, it grinds to a halt. Laptop Mag will continue to cover any major developments in the aftermath of the CrowdStrike outage, so stay tuned for further information. 

2024-07-19T14:51:52.630Z
One of the most alarming results of today’s CrowdStrike outage is its effect on healthcare services around the world. Hospitals and healthcare facilities rely on Windows computers for everything from accessing patient files to aiding in life-saving surgeries. With this outage locking down billions of computers, many hospitals have rushed to adapt so they can continue to provide care.  For example, Mass General Brigham, a healthcare system in Boston, Massachusetts, has canceled non-emergency surgeries for the day.  Two major hospitals in Germany have announced a similar pause on elective surgeries in light of the CrowdStrike outage. Meanwhile, hospitals in Buffalo, New York are using “internal command centers” to keep things running and have recommended patients still report for surgeries and procedures as planned. Luckily, it looks like some hospitals weren’t seriously impacted by the outage. For example, the UPMC health network in Pennslyvania reported that the outage affected “fewer than 10%” of its Windows-based computers, allowing UPMC’s hospitals to mostly return to business as usual. 



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