--- title: "Global IT Outage: What Happened? | DivergeIT" description: Learn about the global IT outage caused by a CrowdStrike update and its impacts. Discover how DivergeIT can help you prevent future disruptions. image: https://blog.divergeit.com/hubfs/Imported_Blog_Media/66a22ff2cf59322de33f3e35_Thumbnail-The%20Day%20the%20World%20Stood%20Still%20Unraveling%20the%20Global%20IT%20Outage.avif --- [![Header Logo](https://blog.divergeit.com/hs-fs/hubfs/DivergeIT_August2025/images/Header%20Logo.png?width=255&name=Header%20Logo.png) DivergeIT ](https://www.divergeit.com/) [ Get a Quote ](https://www.divergeit.com/contact-us) Services [ IT Consulting ](https://www.divergeit.com/it-consulting) [Artificial Intelligence ](https://www.divergeit.com/it-consulting/artificial-intelligence) [IT Project Planning ](https://www.divergeit.com/it-consulting/it-project-planning) [Cloud Solutions ](https://www.divergeit.com/it-consulting/cloud-solutions) [IT Process Automation ](https://www.divergeit.com/it-consulting/it-process-automation) [Business Technology Alignment ](https://www.divergeit.com/it-consulting/business-technology-alignment) [Google Workspace Asset Management ](https://www.divergeit.com/it-consulting/google-workspace-asset-management) [Microsoft 365 Optimization ](https://www.divergeit.com/it-consulting/microsoft-365-optimization) [Virtual CIO Services ](https://www.divergeit.com/it-consulting/virtual-cio-services) [Practice Evaluation ](https://www.divergeit.com/it-consulting/practice-evaluation) [ Managed IT Services ](https://www.divergeit.com/managed-it-services) [Co-Managed IT Services ](https://www.divergeit.com/managed-it-services/co-managed-it-services) [IT Helpdesk Support ](https://www.divergeit.com/managed-it-services/it-helpdesk-support) [Data Management & Analytics ](https://www.divergeit.com/managed-it-services/data-management-analytics) [Data Backup & Recovery ](https://www.divergeit.com/managed-it-services/data-backup-disaster-recovery) [Business VoIP Solution ](https://www.divergeit.com/managed-it-services/business-voip-solution) [Software Workflow Management ](https://www.divergeit.com/managed-it-services/software-workflow-management) [Workspace Management ](https://www.divergeit.com/managed-it-services/workspace-management) [IT Compliance Management ](https://www.divergeit.com/managed-it-services/it-compliance-management) [ IT Security ](https://www.divergeit.com/it-security-sevices) [System Status Monitor ](https://www.divergeit.com/it-security-services/system-status-monitor) [Proactive Maintenance ](https://www.divergeit.com/it-security-services/proactive-maintenance) [Cybersecurity Risk Management ](https://www.divergeit.com/it-security-services/cybersecurity-risk-management) [Workplace Access ](https://www.divergeit.com/it-security-services/workplace-access) [ AutomateAI ](https://www.divergeit.com/automateit) [Real-Time IT Intelligence System (RITIS®) ](https://www.divergeit.com/automateit/real-time-it-intelligence-system-ritis) [Rapid Analysis and Discovery (RAD) ](https://www.divergeit.com/automateit/rapid-analysis-and-discovery-rad) Industries [Entertainment & Media Services ](https://www.divergeit.com/industries/entertainment-media-services) [Financial Services IT Solutions ](https://www.divergeit.com/industries/financial-services-it-solutions) [Government IT Services ](https://www.divergeit.com/industries/government-it-services) [Insurance Managed Services ](https://www.divergeit.com/industries/insurance-managed-services) [Logistics Managed Services ](https://www.divergeit.com/industries/logistics-managed-services) [Managed Healthcare Services ](https://www.divergeit.com/industries/managed-healthcare-services) [Managed IT for Lawyers ](https://www.divergeit.com/industries/managed-it-for-lawyers) [Managed IT for Manufacturers ](https://www.divergeit.com/industries/managed-it-services-for-manufacturers) [Managed IT for Non Profits ](https://www.divergeit.com/industries/managed-it-services-for-non-profits) [Managed IT for Sports ](https://www.divergeit.com/industries/managed-it-for-sports) [ Pricing ](https://www.divergeit.com/prices) Our Story [About Us ](https://www.divergeit.com/about-us) [Testimonials ](https://www.divergeit.com/testimonials) [Certifications ](https://www.divergeit.com/credential-certifications) [Careers ](https://www.divergeit.com/career) Resources [Blog ](https://www.divergeit.com/blog) [Podcasts ](https://www.divergeit.com/resources) [Hosted events ](https://www.divergeit.com/hosted-events) [Monthly newsletter ](https://www.divergeit.com/monthly-newsletter) [ Login ](https://portal.divergeit.com/auth/v1/email) [ Contact Us ](https://www.divergeit.com/contact-us) [ Check out RAD ](https://www.divergeit.com/rapid-analysis-discovery) # Global IT Outage: What Happened? | DivergeIT ![Jarrod Koch CEO and Partner of DivergeIT](https://blog.divergeit.com/hubfs/65c47033d1f4702114f028a4_Jarrod%20Koch%20(1)-Jul-22-2025-09-18-26-8799-PM.jpg) [ Jarrod Koch CEO and Partner of DivergeIT ](https://blog.divergeit.com/author/jarrod-koch-ceo-and-partner-of-divergeit) [ Cybersecurity](https://blog.divergeit.com/tag/cybersecurity) ![](https://blog.divergeit.com/hubfs/Imported_Blog_Media/66a22ff2cf59322de33f3e35_Thumbnail-The%20Day%20the%20World%20Stood%20Still%20Unraveling%20the%20Global%20IT%20Outage.avif) [Cybersecurity](https://blog.divergeit.com/blog-posts-categories/cybersecurity) # The Day the World Stood Still: Unraveling the Global IT Outage [![](https://blog.divergeit.com/hubfs/Imported_Blog_Media/65c47033d1f4702114f028a4_Jarrod%20Koch%20(1)-Jul-22-2025-09-18-26-8799-PM.avif) Jarrod Koch CEO and Partner of DivergeIT ](https://blog.divergeit.com/author/jarrod-koch) July 25, 2024 ![global IT outage](https://blog.divergeit.com/hubfs/Imported_Blog_Media/66a22fedb221e6e37f62d895_Main-The%20Day%20the%20World%20Stood%20Still%20Unraveling%20the%20Global%20IT%20Outage.avif) In the quiet hours of a Friday night, the digital realm trembled. What began as a routine software update soon spiraled into a worldwide catastrophe, leaving a trail of chaos in its wake. On July 19, 2024, [the global IT outage](https://edition.cnn.com/business/live-news/global-outage-intl-hnk/index.html) struck like a thief in the night, disrupting critical services from healthcare to air travel and casting a shadow over the reliability of our interconnected digital infrastructure. The culprit behind this unprecedented disruption? A routine update from CrowdStrike, a global cybersecurity firm tasked with safeguarding the digital fortresses of thousands of organizations worldwide. This seemingly innocuous update, intended to fortify defenses against cyber threats, inadvertently triggered a cascade of failures across Windows systems globally, leading to what experts have dubbed the "blue screens of death" and endless loops that brought entire sectors to a grinding halt. ![the global IT outage](https://blog.divergeit.com/hubfs/Imported_Blog_Media/66a8813dcc2dd6a61e3f50c7_66a23d1799e9cef21cffa97d_1.avif) ### **The domino effect: From airports to hospitals** Imagine a world where airports operate on pen and paper, where flight schedules are scrawled on whiteboards, and where the buzz of electronic check-ins gives way to the rustle of handwritten tickets. This was the reality as more than 5,000 flights were grounded globally, stranding travelers and disrupting global commerce. Airports from Heathrow to Hong Kong found themselves in logistical turmoil, trying desperately to restore order amidst the chaos. But the impact extended far beyond the confines of terminals and runways. In hospitals across the United Kingdom, the glitch infiltrated critical systems, disrupting appointments, hindering medical records access, and even triggering "critical incidents" in some healthcare facilities. The Royal Surrey NHS Foundation Trust declared an emergency as [IT failures](https://www.divergeit.com/it-security-services/cybersecurity-risk-management) threatened patient care, underscoring the vulnerability of our healthcare infrastructure to digital disruptions. ![triggering "critical incidents](https://blog.divergeit.com/hubfs/Imported_Blog_Media/66a8813dcc2dd6a61e3f50a7_66a23d37c16af1b21bace460_2.avif) ### **Lessons in complexity: The rise and fall of digital sentinels** At the heart of this crisis lies a cautionary tale of complexity. CrowdStrike once hailed as a sentinel against [cyber threats](https://www.divergeit.com/it-security-services/system-status-monitor), inadvertently became the catalyst for one of the largest IT disruptions in recent history. The irony is palpable: the very systems designed to protect us can, in their complexity, sow the seeds of their own downfall. As historian Joseph Tainter once observed about complex societies, the more intricate our systems become, the more susceptible they are to catastrophic failure. The incident raises profound questions about the perils of over-reliance on single providers and the hidden risks of digital interconnectedness. Businesses, from major retailers to financial institutions, found themselves grappling with stalled transactions and payroll issues, exposing vulnerabilities that reverberated across global markets. The financial fallout, while yet to be fully quantified, serves as a stark reminder of the economic fragility inherent in our digitally dependent world. ![The Rise and Fall of Digital Sentinels](https://blog.divergeit.com/hubfs/Imported_Blog_Media/66a8813dcc2dd6a61e3f50b4_66a23d49c1d31f02f6efe582_3.avif) ### **Rebuilding trust: A roadmap forward** In the aftermath, as technicians worked tirelessly to reboot systems and delete faulty code, a broader reckoning unfolded. CrowdStrike's CEO, George Kurtz, pledged transparency and accountability, promising a thorough root cause [analysis and technical updates](https://www.divergeit.com/managed-it-services/data-management-analytics) to prevent future mishaps. Yet, the scars of this outage will linger, prompting businesses and governments alike to reevaluate their cybersecurity strategies and contingency plans. Moving forward, redundancy and diversification may emerge as essential safeguards against future disruptions. The need for backup systems and decentralized approaches to cybersecurity could mitigate the risks posed by centralized dependencies. Moreover, regulatory bodies may seek to impose stricter oversight on software updates and cybersecurity protocols, aiming to prevent similar incidents from recurring. ![cybersecurity could mitigate the risks posed by centralized dependencies](https://blog.divergeit.com/hubfs/Imported_Blog_Media/66a8813dcc2dd6a61e3f50b8_66a23d5c778586f0d2d28f9d_4.avif) ### **Conclusion: Toward a resilient digital future** As the dust settles on this harrowing episode, the global IT outage of July 19, 2024, serves as a stark reminder of our digital vulnerabilities and the imperative of resilience in an interconnected world. It underscores the need for [robust cybersecurity practices](https://www.divergeit.com/it-security-sevices), proactive risk management, and a deeper understanding of the complex systems that underpin our daily lives. While the road to recovery may be long and arduous, the lessons learned from this crisis could pave the way toward a more secure and resilient digital future. In the end, the global IT outage was more than a disruption—it was a wake-up call, urging us to fortify our digital defenses and rethink our reliance on interconnected systems. For in the interconnected tapestry of our modern world, a single thread can unravel the fabric of our daily lives. ![the global IT outage was more than a disruption](https://blog.divergeit.com/hubfs/Imported_Blog_Media/66a8813dcc2dd6a61e3f50bd_66a23d706fb474fb2d283d69_5.avif) ## **Protect your business from IT disruptions with DivergeIT** Don't let IT disruptions catch you off guard. Safeguard your organization against future IT failures and enhance your cybersecurity with [DivergeIT](https://www.divergeit.com/)’s cutting-edge solutions. Our team of experts is dedicated to providing comprehensive strategies and robust systems to protect your business from unforeseen IT challenges. Ready to fortify your defenses? [Contact DivergeIT today](https://www.divergeit.com/contact-us) at sales@divergeit.com or call us at 310-765-7200 to learn how we can help you avoid IT disruptions and secure your digital assets. ![Safeguard your organization against future IT failures](https://blog.divergeit.com/hubfs/Imported_Blog_Media/66a8813dcc2dd6a61e3f50ac_66a23d8299e9cef21c004ca6_6.avif) ## **FAQ** ### **What caused the global IT outage on July 19, 2024?**  A problematic software update from CrowdStrike, a major cybersecurity firm, triggered the outage. This update inadvertently caused widespread system failures, including the notorious "blue screens of death" and endless loops, impacting various sectors worldwide. ### **How did the global IT outage affect air travel?**  The IT outage led to the cancellation of over 5,000 flights globally, affecting airports from Heathrow to Hong Kong. Travelers experienced significant disruptions as airlines resorted to manual processes, with many flights grounded and travel plans severely impacted. ### **Which sectors were most affected by the IT outage?**  The IT outage caused major disruptions in several sectors, including air travel, healthcare, and business operations. Hospitals faced challenges managing patient records and appointments, while businesses experienced delays in transactions and payroll processing. ### **How did the IT outage impact healthcare services?**  Healthcare services were significantly disrupted as the IT outage affected systems used for booking appointments, accessing patient records, and managing medical workflows. Notable disruptions included delays in patient care and difficulties in accessing essential medical information. ### **What were the immediate consequences of the global IT outage for businesses?**  Businesses faced a myriad of consequences from the outage, including stalled transactions, payroll issues, and disruptions in online services. Major retailers, financial institutions, and other businesses experienced operational delays and financial losses. ### **What steps are being taken to prevent future IT outages?**  In response to the global IT outage, CrowdStrike and other stakeholders are focusing on improving software update protocols, enhancing cybersecurity measures, and implementing more rigorous testing processes. By addressing the vulnerabilities exposed by this event, they aim to prevent similar incidents. ### **How long is it expected for systems to recover from the outage?**  Recovery from the global IT outage is anticipated to take weeks. Technicians and IT teams are working diligently to address system failures and restore normal operations. The extent of the recovery timeline depends on the complexity of the affected systems and the effectiveness of the ongoing remediation efforts. ### **What can businesses do to safeguard against future IT disruptions?**  To safeguard against future IT disruptions, businesses should invest in redundant systems, diversify their cybersecurity strategies, and establish comprehensive contingency plans. Regular updates, rigorous testing, and proactive risk management are essential to maintaining resilience in an increasingly digital world. ### Interested in learning more? Click the button! 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