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.
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ChatGPT and the associated APIs have been affected by regular outages, citing DDoS attacks as the reason — the Anonymous Sudan group claimed responsibility.
The notorious Russian hackers known as Sandworm targeted an electrical substation in Ukraine last year, causing a brief power outage in October 2022
CitrixBleed patch has been available for around a month China's largest bank, ICBC, was hit by ransomware that resulted in disruption of financial services (FS) systems on Thursday Beijing time, according to a notice on its website.…
Cloudflare is investigating an ongoing outage causing 'We're sorry" Google errors to be shown on the company's website. [...]
Cloudflare is investigating an ongoing outage causing 'We're sorry" Google errors to be shown on the company's website. [...]
Russian state hackers have evolved their methods for breaching industrial control systems by adopting living-off-the-land techniques that enable reaching the final stage of the attack quicker and with less resources [...]
Periodic outages began on November 8
During the last 24 hours, OpenAI has been addressing what it describes as "periodic outages" linked to DDoS attacks affecting its API and ChatGPT services. [...]
Online attack coincided with major military action, Mandiant says Blackouts in Ukraine last year were not just caused by missile strikes on the nation but also by a seemingly coordinated cyberattack on one of its power plants. That's according to Mandiant's threat intel team, which said Russia's Sandworm crew was behind the two-pronged power-outage and data-wiping attack.…
OpenAI's AI-powered ChatGPT large language model-based chatbot is down because of a major ongoing outage that also took down the company's Application Programming Interface (API). [...]
OpenAI's AI-powered ChatGPT large language model-based chatbot is down because of a major ongoing outage that also took down the company's Application Programming Interface (API). [...]