Outages can disrupt security tools and critical services, showing how failures in infrastructure, vendors, or recovery plans affect cyber resilience.
Search across headline titles and summaries.
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.
Weekly headline count for the current query.
Government organizations are targeted by attackers who know agencies cannot afford disruption to public services
The Office of the Maine Attorney General has suspended its breach reporting portal
Data exposure, operational disruption and financial losses among issues faced by businesses struggling with the rapid rise of AI agents, warns Cloud Security Alliance report
CISA has revealed Iranian attacks causing disruption and financial loss at US critical infrastructure firms
Armis reveals that “mutually assured disruption” is no longer preventing state-backed attacks
University of Mississippi Medical Center is still scrambling to respond to a ransomware attack last Thursday
Dragos annual report warns of a surge in ransomware attacks causing increased operational disruption in industrial environments
The services of Florida-based payments platform BridgePay are offline due to a ransomware attack
French postal service warns of “major network incident” just before Christmas
A new version of the Shai-Hulud worm has infected hundreds of npm packages and caused disruption to global CI/CD workflows
The infamous BreachForums site has been taken offline again to disrupt Scattered Lapsus$ Hunters
Asahi confirmed it has fallen victim to a ransomware attack, and revealed it has started manual order processing amid ongoing operational disruption
The UK’s National Crime Agency has arrested a suspect in connection with a ransomware attack on Collins Aerospace
The Office of the Governor of Nevada revealed that the incident has shut down in-person State services, while government phone lines and websites are offline
Data I/O has revealed operational disruption following a ransomware breach that forced it to take some systems offline
The Warlock ransomware gang has taken credit for the cyber-attack after the UK telco giant publicly confirmed an incident on August 14
Darknet giant Abacus Market has gone offline due to a likely exit scam, according to TRM Labs
Glasgow City Council has warned of service disruption and potential data loss after a security incident
Erie Insurance reveals suspected network breach and ongoing outage
Dutch, US and Finnish investigators have taken cybercrime service AVCheck offline