Latest cybersecurity reporting from selected sources.

Also: Spanish Hacker Granted Russian Asylum, Microsoft Patches Zero-DaysThis week, a CISA warning, Nest footage in Nancy Guthrie case, Signal phishing. Spanish hacker, Russian asylum. Spanish ministry services offline. BYOVD ransomware. The Conduent breach hit Volvo. Microsoft patched zero-days. ZeroDayRAT targeted devices. The SmarterMail breach. Another Fortinet flaw.

Precision Agriculture Boost Yields but Opens Farmers to Cybersecurity RiskPrecision agriculture is transforming U.S. farming with sensors, drones and automation, boosting productivity yields. But growing digital dependence is also expanding the attack surface, exposing farms to ransomware, disruption and rising cybersecurity risk.

Support Portals Offline as Ransomware Gang Claims It Stolen DataBritish-based multinational telecom Colt Technology Services said a "cyber incident" is responsible for days-long disruptions to its customer portal and support services. The WarLock ransomware operation took responsibility for the hack, asserting it stole "1 million documents."

Retailer Continues to Recover From Ransomware IncidentBritish retailer Marks & Spencer was reportedly targeted by financial crime group Scattered Spider, who deployed ransomware on the company's VMware ESXi server. The retailer continues to recover from a cyber incident that disrupted operations in its online and offline stores.

Ongoing outages at British retail giant Marks & Spencer are caused by a ransomware attack believed to be conducted by a hacking collective known as "Scattered Spider" BleepingComputer has learned from multiple sources. [...]

Company Reportedly Instructs Staff to Not Connect to Internal IT SystemsOil services giant Halliburton is reportedly dealing with a disruption tied to a Wednesday hack attack, after which the Houston-based firm advised employees to not connect to any internal IT resources - a sign that the incident could be a ransomware attack.

Hospitals Says Restoring the Affected IT Systems Will Take WeeksThe ransomware attack on a key U.K. National Health Service IT vendor has forced two London hospitals to reschedule around 1,500 medical appointments including critical cancer treatments and organ transplant surgeries. The disruption is now in its third week.

A cyberattack on UnitedHealth Group subsidiary Optum that led to an ongoing outage impacting the Change Healthcare payment exchange platform was linked to the BlackCat ransomware group by sources familiar with the investigation. [...]

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.