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 big news over the past two weeks is the continued drama plaguing BlackCat/ALPHV after their infrastructure suddenly stopped working for almost five days. Multiple sources told BleepingComputer that this outage was related to a law enforcement operation, but BlackCat claims the outages were caused by a hardware/hosting issue. [...]
Cloud storage provider Box.com is suffering an outtage preventing customers from accessing their files. [...]
To safeguard against potential cyberattacks and outages, it is essential to be vigilant against common Active Directory attacks, Learn more from Specops Software about these attacks and how harden your defenses. [...]
Telecom Operator Slowly Restores Voice ServiceUkraine's domestic security agency on Wednesday fingered Russian military hackers as being responsible for hacking Kyivstar, in a statement acknowledging damage to the telecom operator's digital infrastructure. Ukraine's top telecom operator was the target of a Tuesday cyberattack.
Ukrainian President Volodymyr Zelenskyy Is in WashingtonUkrainian telecom operator Kyivstar was the target of a cyberattack that knocked internet access and mobile communications offline on the same day Ukrainian President Volodymyr Zelenskyy is in Washington to boost the case for additional military aid.
Prolific Ransomware Operation Tied to Big Hits Claims 'Everything Will Work Soon'Cybercrime underground chatter suggests ransomware group BlackCat - aka Alphv - is being disrupted by law enforcement. Experts warn that disruptions too often remain short-lived, as operators reboot under different names and affiliates go independent or work with a bevy of rival services.
Notorious ransomware collective ALPHV/BlackCat may have been disrupted by law enforcement