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.
Labour Government Blames ToriesBritish law firms representing low-income criminal defendants and civil litigants are having to work for free for weeks or decline new cases as the fallout of a cyberattack against the U.K. Legal Aid Agency forced the agency to yank its online portal offline.
Also: Privacy on the Line in 23andMe Sale; Google Leads Cyber Aid ChargeIn this week's update, ISMG editors unpacked CrowdStrike's escalating legal troubles following its global outage, the fate of consumer DNA data as 23andMe's assets hit the auction block, and why tech giants are banding together to pressure Washington for faster, smarter foreign cyber aid.
The U.S. Department of Justice (DoJ) on Thursday announced the disruption of the online infrastructure associated with DanaBot (aka DanaTools) and unsealed charges against 16 individuals for their alleged involvement in the development and deployment of the malware, which it said was controlled by a Russia-based cybercrime organization
DanaBot Used to Steal and to SpyA top figure in the Russian cybercrime gang behind DanaBot infected his own computer with the malware, allowing an FBI agent to search an image of his system, U.S. federal prosecutors disclosed Thursday in indictments and an announced disruption of the malware's infrastructure.
The same easily exploitable vulnerability was found in three of the apps that led to the compromise of victims' data.
BSI Cites New Technologies, Geopolitical Tensions as Key Risk FactorsMounting decentralization and digitization put electricity grids at risk of hacking that could cause power outages, the German cybersecurity agency warned Wednesday. Technologies such as internet-connected solar power inverters and a tense geopolitical situation sparks increased concern.
Experts Pointing a Finger at Interlock Ransomware Gang for Kettering Health AttackOhio-based Kettering Health is in its second day responding to a cyberattack that's disrupted patient care services and downed its IT systems, including its patient portal and phones. Some cybersecurity insiders say Interlock ransomware is responsible.
Earlier this month, a coordinated disruption action targeting the Lumma malware-as-a-service (MaaS) information stealer operation seized thousands of domains, part of its infrastructure backbone worldwide. [...]
Kettering Health, a healthcare network that operates 14 medical centers in Ohio, was forced to cancel inpatient and outpatient procedures following a cyberattack that caused a system-wide technology outage. [...]
Downtime stings retailer, with technical recovery costs coming at a later date Marks & Spencer says the disruption related to its ongoing cyberattack is likely to knock around £300 million ($402 million) off its operating profits for the next financial year (2025/26).…
Georgia Court Allows Claims of Fraud, Trespass Over Falcon Software UpdateDelta can proceed with its lawsuit against CrowdStrike over a July 2024 update that allegedly bypassed Microsoft safeguards and crashed thousands of systems. The judge found that Delta sufficiently alleged fraud, computer trespass and gross negligence, allowing key claims to move forward.
Wisconsin wireless provider Cellcom has confirmed that a cyberattack is responsible for the widespread service outage and disruptions that began on the evening of May 14, 2025. [...]
The official website for the RVTools VMware management tool was taken offline in what appears to be a supply chain attack that distributed a trojanized installer to drop the Bumblebee malware loader on users' machines. [...]
The official website for the RVTools VMware management tool was taken offline in what appears to be a supply chain attack that distributed a trojanized installer to drop the Bumblebee malware loader on users' machines. [...]
The official site for RVTools has been hacked to serve a compromised installer for the popular VMware environment reporting utility
If the Common Vulnerabilities and Exposures system continues to face uncertainty, the repercussions will build slowly, and eventually the cracks will become harder to contain.
If the Common Vulnerabilities and Exposures system continues to face uncertainty, the repercussions will build slowly, and eventually the cracks will become harder to contain.