Latest cybersecurity reporting from selected sources.

The Security Service of Ukraine (SSU) said it, together with the U.S. Federal Bureau of Investigation (FBI), uncovered a long-running campaign orchestrated by Russian intelligence services to break into the messaging accounts of government officials, military personnel, politicians, and activists in Ukraine, Europe, and the U.S

The Oncology Institute disclosed a data breach tied to a third-party vendor, potentially exposing patient information after a 2025 cyberattack. The Oncology Institute has confirmed that patient information was impacted in a cybersecurity incident involving a third-party software provider. The healthcare network first disclosed the security breach in November 2025 while the vendor’s investigation was […]

Senator Ron Wyden of Oregon has urged the FTC to investigate Microsoft for cybersecurity lapses linked to ransomware attacks on US critical infrastructure

The Federal Bureau of Investigation (FBI) has warned that hackers linked to Russia's Federal Security Service (FSB) are targeting critical infrastructure organizations in attacks exploiting a 7-year-old vulnerability in Cisco devices. [...]

Settlement Follows Federal Investigation Into Data Leak and Ransomware AttackA Texas mental healthcare provider's failure to conduct a comprehensive risk analysis resulted in a $225,000 federal fine after regulators investigated a data leak followed by a ransomware attack in 2023. Deer Oaks Behavioral Health also must implement a corrective action plan.

2019 Phishing Incident at California-Based PIH Health Affected Nearly 190,000A regional healthcare network with three California hospitals serving Los Angeles and Orange Counties has agreed to pay federal regulators $600,000 and implement a corrective action plan to resolve potential HIPAA violations identified during an investigation into a 2019 phishing breach.

Danish military confirms it is monitoring as Swedish police investigate. Cloudflare says impact was 'minimal' The Danish military has confirmed it is tracking a Chinese ship that is under investigation after two optical fiber internet cables under the Baltic Sea were damaged, an situation German Defense Minister Boris Pistorius insists was "sabotage."…

All Patients, Employees Offered Credit Monitoring While Investigation ContinuesRansomware attackers stole files that potentially contain patient and employee data from seven of Ascension's 25,000 servers. The hackers gained access to the organization's network when an employee inadvertently downloaded a file containing malware, said the Missouri-based healthcare system.

Cybersecurity researchers have disclosed details of a previously undocumented threat group called Unfading Sea Haze that's believed to have been active since 2018

The Black Basta ransomware-as-a-service (RaaS) operation has targeted more than 500 private industry and critical infrastructure entities in North America, Europe, and Australia since its emergence in April 2022

HHS OCR Tells UnitedHealth Group it Will Scrutinize Co.'s HIPAA ComplianceFederal regulators have informed UnitedHealth Group that they have launched a full-fledged investigation into a potential massive compromise of protected health information stemming from the Change Healthcare cyberattack. A potential PHI breach could affect tens of millions of individuals.

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. [...]

It’s a bird, it’s a plane… it’s a flying menace out to endanger national security Two US government agencies, the Cybersecurity and Infrastructure Security Agency (CISA) and Federal Bureau of Investigation (FBI), warned on Wednesday that drones made in China could be used to gather information on critical infrastructure.…

The Federal Bureau of Investigation (FBI) says the Play ransomware gang has breached roughly 300 organizations worldwide between June 2022 and October 2023, some of them critical infrastructure entities. [...]

Austul USA, a military contractor, alerts law enforcement it quickly mitigated a recent cyberattack on its systems and that an investigation is ongoing.

The AvosLocker ransomware gang has been linked to attacks against critical infrastructure sectors in the U.S., with some of them detected as recently as May 2023

The Federal Bureau of Investigation (FBI) revealed in its 2022 Internet Crime Report that ransomware gangs breached the networks of at least 860 critical infrastructure organizations last year. [...]

The Federal Bureau of Investigation (FBI) has issued an alert about hackers targeting healthcare payment processors to route payments to bank accounts controlled by the attacker. [...]

Other US spooks chime in with similar warnings The directors of the UK Military Intelligence, Section 5 (MI5) and the US Federal Bureau of Investigation on Wednesday shared a public platform for the first time and warned of China's increased espionage activity on UK and US intellectual property.…

The Federal Bureau of Investigation (FBI) says ransomware gangs have breached the networks of at least 649 organizations from multiple US critical infrastructure sectors last year, according to the Internet Crime Complaint Center (IC3) 2021 Internet Crime Report. [...]