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.
Atlassian has finally revealed the exact cause of an ongoing cloud services outage the company estimates could impact some of its customers for up to two more weeks. [...]
The Italian luxury fashion company Ermenegildo Zegna has disclosed a ransomware incident from August 2021 that has resulted in an extensive IT systems outage. [...]
The Italian luxury fashion company Ermenegildo Zegna has disclosed a ransomware incident from August 2021 that has resulted in an extensive IT systems outage. [...]
Atlassian, a UK-based company making software development and collaboration tools, estimates it might take two more weeks to restore all customer instances impacted by a week-long ongoing outage affecting its cloud services. [...]