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.
A major T-Mobile outage is preventing customers from logging into their accounts and using the company's mobile app. [...]
1.3 Million Customers Notified of Breach; BlackCat Ransomware Group Claimed CreditFinancial services giant Fidelity National Financial has confirmed that a November 2023 hack attack compromised personal information pertaining to 1.3 million customers of its LoanCare subsidiary. FNF took multiple systems offline when responding to the attack, disrupting some homebuyers.
Posing as cyber samaritans, scumbags are kicking folks when they're down Ransomware victims already reeling from potential biz disruption and the cost of resolving the matter are now being subjected to follow-on extortion attempts by criminals posing as helpful security researchers.…
Large Mortgage Lender's Customers Say the Online Payment Portable Is InaccessibleNon-bank mortgage lending giant LoanDepot is warning customers and investors that hackers have infiltrated its network, gained unauthorized access to information and encrypted data, leading to it taking numerous systems offline while it probes the attack.
U.S. mortgage lender loanDepot has suffered a cyberattack that caused the company to take IT systems offline, preventing online payments against loans. [...]