The world is being hit by one of its biggest ever outages. Here’s how it happened - The Independent
A major Microsoft outage has disrupted Outlook and Teams services worldwide since Thursday afternoon, affecting over 430 million users across critical sectors.
The issues began on Thursday afternoon and continued into Friday, causing significant problems across various sectors including hospitals and airports. Microsoft confirmed the problems were affecting its 365 Services, which include Teams, Outlook, and Copilot AI tools.
Cause of Outage
Microsoft attributed the outage to 'elevated load' due to servers becoming 'unexpectedly unavailable', though the exact reason remains unclear. The company explicitly ruled out any malicious activity, with executive vice president Charles Lamanna confirming there was no evidence of a cyber attack.
Rather than a cyber attack, most likely this was caused by an update to software which contained a bug.
Security Concerns
Despite the non-malicious nature of the outage, security experts warned that cyber criminals could exploit the situation to launch attacks. Aiden Sinnott from Sophos Counter Threat Unit cautioned users to be wary of phishing attempts during this vulnerable period.
Although the Microsoft outage is not a cybersecurity issue, bad actors will be looking to take advantage of concerned individuals, offering a resolution or assurances.
Broader Implications
The outage highlighted the risks of over-reliance on major tech providers. Jake Moore from ESET emphasized how failures in critical infrastructure can quickly escalate into global IT blackouts, affecting everything from email to AI virtual assistants.
Experts urged organizations to improve both resilience and redundancy to better handle such disruptions. The incident serves as a reminder that despite digital transformation, businesses should maintain alternative communication methods for emergencies.
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