Outages can disrupt security tools and critical services, showing how failures in infrastructure, vendors, or recovery plans affect cyber resilience.
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Background for this topic.
Outage is a period when a system, network, application, or online service is unavailable or cannot perform its intended function. It may be planned maintenance or an unplanned disruption caused by equipment or software failure, misconfiguration, a dependency problem, natural hazards, or a denial-of-service attack. The tag generally concerns availability incidents, not every performance issue or security breach.
For security practitioners, an outage requires determining whether malicious activity contributed to the disruption while preserving relevant logs, network telemetry, and system state for investigation. Defenses include capacity planning, segmented and redundant architecture, tested failover and recovery procedures, and controls that limit the effect of DDoS traffic or compromised dependencies. Emergency changes made during recovery should be authorized and recorded, since they can create new vulnerabilities or affect data integrity. Clear incident ownership and communications help coordinate technical response without obscuring the cause or scope.
WeRedEvils alleges successful attack on infrastructure, including data theft Israel-based hacktivists are taking credit for an ongoing internet outage in Iran.…
Cybersecurity company CrowdStrike has been sued by investors who say it provided false claims about its Falcon platform after a bad security update led to a massive global IT outage causing the stock price to tumble almost 38%. [...]
Having a robust identity continuity plan is not just beneficial but essential for avoiding financially costly and potentially brand-damaging outages.
That horse has not just bolted, it's trampled all over kernel space CrowdStrike, after suggesting canary testing as a way to ensure it avoids future blunders leading to global computer outages, has been sued in federal court by investors for not using a phased approach in rolling out updates to customers in the first place.…
OneBlood, a large not-for-profit blood center that serves hospitals and patients in the United States, is dealing with an IT systems outage caused by a ransomware attack. [...]
A playbook full of strategies and someone fumbles the implementation Do you have problems configuring Microsoft's Defender? You might not be alone: Microsoft admitted that whatever it's using for its defensive implementation exacerbated yesterday's Azure instability.…
Microsoft confirmed today that a nine-hour outage on Tuesday that took down and disrupted multiple Microsoft 365 and Azure services worldwide was triggered by a distributed denial-of-service (DDoS) attack. [...]
A global outage of Microsoft services was triggered by a DDoS attack, with an error Microsoft’s DDoS protection measures amplifying the impact
Oh, Boies, here we go again Delta Air Lines lost hundreds of millions of dollars due to the CrowdStrike outage earlier this month – and it has hired a high-powered law firm to claw some of those lost funds back, potentially from the Falcon maker and Microsoft itself.…
Microsoft is investigating an ongoing global outage blocking access to some Microsoft 365 and Azure services. [...]
Microsoft says that its initial estimate of 8.5 million PCs affected was only a subset of the affected number of machines in the crash.