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.
Verizon has begun sending text messages with instructions on how to redeem a $20 account credit for last week's nationwide wireless outage. [...]
Also, Venezuela Cyberattack, Endesa Confirms Breach and Telegram IP LeakThis week, a software flaw caused the Verizon outage. U.S. cyberattack in Venezuela. ICE identities published online. BreachForums users leaked. Spanish energy provider Endesa data breach. Telegram privacy risk. A MuddyWater upgrade. Dutch man sentenced for hacking a maritime port. A ServiceNow patch.
Verizon has confirmed that yesterday's nationwide wireless outage was caused by a software issue, though the company has not shared additional details about what went wrong. [...]
Misstatement Claims Tossed in Class-Action Securities Case After CrowdStrike OutageA U.S. district judge tossed most claims from investors accusing CrowdStrike of misrepresenting its software testing rigor before a July 2024 outage. The judge said two statements about federal compliance could plausibly be misleading, but said plaintiffs failed to establish intent or recklessness.
Scenario Planning Must Model Disruption, Strengthen Cyber Basics, Build RedundancyIT organizations know how to plan for outages, but even the most rigorously designed strategy is vulnerable to the shifting winds of geopolitics. CIOs and technology leaders need to know how their organizations will respond to geopolitical disruptions, and scenario planning needs to be a priority.
Cause Unknown But Many Previous Outages Due to Software MisconfigurationVerizon customers along the Eastern Seaboard and Southern parts of the United States lost mobile phone connectivity Wednesday in an incident that appears to have peaked around 1 p.m.
Investors didn't present a valid claim, says judge, but they're welcome to try again A group of CrowdStrike shareholders who sued the company over losses sustained following its 2024 global outage will have to head back to the drawing board if they hope to recoup losses, as a Texas judge has deemed they failed to adequately state a claim.…
Verizon Wireless is suffering a massive outage in the US, with customers reporting their phones stuck in SOS mode with no cellular service. [...]
Attack enters second day with major disruption to healthcare provision Two hospitals in Belgium have cancelled surgeries and transferred critical patients to other facilities after shutting down servers following a cyberattack.…
Black Duck Researchers Discover Flaw in Widely Used Broadcom ChipsetA flaw in Broadcom chipsets commonly used in wireless routers allows attackers to repeatedly knock offline the 5 gigahertz band, no matter how strong the security settings, say researchers.
Hackers are claiming to be selling internal source code belonging to Target Corporation, after publishing what appears to be a sample of stolen code repositories on a public software development platform. After BleepingComputer notified Target, the files were taken offline and the retailer's developer Git server was inaccessible. [...]