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Outages can disrupt security tools and critical services, showing how failures in infrastructure, vendors, or recovery plans affect cyber resilience.

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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.

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Bank Info Security 1 year, 9 months ago

ISMG Editors: Can Microsoft Regain Trust in Its Security?

Also: CrowdStrike Grilled by Congress; Coalition Against Spyware Abuse Is GrowingIn the latest weekly update, ISMG editors discussed Microsoft's major cybersecurity overhaul in the wake of some high-profile breaches, the latest developments from CrowdStrike's global outage hearing and the expanding U.S.-led coalition against spyware abuse in the EU.

Bank Info Security 28 Sep 2024, 7:30 a.m. Abuse America Crowdstrike Microsoft Outage Spyware
Bank Info Security 1 year, 9 months ago

CrowdStrike Blames 'Confluence of Factors' for Global Outage

CrowdStrike Executive Testifies on Faulty Update That Caused Historic July OutageAdam Meyers, senior vice president for counter adversary operations at CrowdStrike, told lawmakers Tuesday the company suffered a global outage in July after its decade-old validation and testing processes failed to identify an "unexpected discrepancy" in the updated threat detection configurations.

Bank Info Security 25 Sep 2024, 9:00 a.m. Crowdstrike Outage President Threat Detection

No Disruption to Service; Manual Operations ImplementedFBI and U.S. Department of Homeland Security officials are in Arkansas City, Kansas, to investigate a cyberattack at the city's water treatment facility. "There has been no disruption to service. Out of caution, the Water Treatment Facility has switched to manual operations," said the city manager.

Bank Info Security 25 Sep 2024, 9:00 a.m. America Cyberattack FBI Outage