Global airlines, banks, healthcare and financial institutions were thrown into the abyss on Friday by one of the biggest IT crashes caused by an update to an antivirus program. Hundreds of flights were cancelled and operators struggled to keep services on track after an update to a program operating on Microsoft Windows crashed systems worldwide. Following are the top updates:

• Global outage underlined the vulnerability of interconnected technologies on a global scale. Companies faced challenges with backlogs of delayed flights, medical appointments, and missed orders following the outage.
• CrowdStrike, a major cybersecurity firm, triggered the disruptions affecting critical services like healthcare and banking. The incident prompted questions about the concentration of cybersecurity control among a few key companies.CrowdStrike CEO acknowledged the impact on customers and pledged to resolve the issue swiftly.
• Stock markets reacted sharply to the outage, with CrowdStrike shares plummeting while rivals like SentinelOne and Palo Alto Networks saw gains.The scale of the outage, primarily affecting systems using CrowdStrike software, raised significant cybersecurity concerns.
• The US Cybersecurity and Infrastructure Security Agency noted malicious activities exploiting the outage for phishing attacks. US Customs and Border Protection and international ministries reported processing delays due to the IT disruptions. Analysts emphasised the complexity and vulnerability of global computing systems exposed by the incident.
• Air travel was severely impacted with thousands of flights canceled globally, causing extensive delays. Airlines worldwide, including Delta, struggled with disruptions in flight operations and passenger processing. Airports implemented manual check-ins, exacerbating delays and inconvenience for travelers.
• Several airports in India, including Bengaluru, Mumbai, and Hyderabad, encountered issues with issuing boarding passes as IndiGo flights experienced cancellations and rescheduling. Airlines indicated that while departures and arrivals were gradually resuming, delays continued to affect operations.
• Banks and financial services firms alerted customers about disruptions in transaction processing. Traders experienced difficulties executing transactions amidst the IT outage and market volatility. Insurers braced for potential business interruption claims arising from the widespread disruptions.
• US healthcare providers reported outages affecting critical operations such as patient portals and call centers. Hospitals like Mass General Brigham in Boston prioritized urgent cases while managing operational challenges. In Britain, medical booking systems and major broadcasters like Sky News were offline due to the IT crash.
• As the day progressed, companies like Spanish airport operator Aena and U.S. carriers United and American Airlines reported restoration of normal services.Australia’s Commonwealth Bank also resumed operations, signaling gradual recovery from the global IT disruption. US Transportation Secretary Pete Buttigieg expressed optimism that transportation systems would stabilise by the weekend.
• Analysts and cybersecurity experts highlighted the need for improved contingency plans to mitigate future IT outages. The incident underscored the critical role of cybersecurity in safeguarding global networks against disruptions.Industry leaders emphasized the imperative of diversifying and strengthening cybersecurity measures.
• From fearmongering about a looming “World War III” to false narratives linking a cabal of global elite to a cyberattack, a torrent of online conspiracy theories took off Friday after a major IT crash. The proliferation of internet-breaking conspiracy theories on social media platforms — many of which have removed guardrails that once contained the spread of misinformation — illustrates the new normal of information chaos after a major world event.