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.
The city of Augusta in Georgia, U.S., has confirmed that the most recent IT system outage was caused by unauthorized access to its network. [...]
Controlled outage used to keep malware marauders from gumming up the works. Learn what you can do to help in future...
But don't worry – we know it was deleted. Hmm. How would you know that? Dish Network has admitted that a February cybersecurity incident and associated multi-day outage led to the extraction of data on nearly 300,000 people, while also appearing to indirectly admit it may have paid cybercriminals to delete said data.…
A February 2022 attack, knocked the giant tire maker's North American operations offline for several days.
Microsoft is investigating service issues preventing users from accessing their Microsoft 365 ccounts and blocking access to installed apps. [...]