Latest cybersecurity reporting from selected sources.

The European Union and the United Kingdom jointly sanctioned dozens of Russian individuals and entities and accused Russia of coordinating a network of hacking groups responsible for attacks across Europe. [...]

Ukraine’s SSU and the FBI Just Confirmed Russian Intelligence Has Been Systematically Hacking Messenger Accounts for Years. The Security Service of Ukraine (SSU), working jointly with the FBI, has formally exposed a sustained Russian intelligence campaign targeting the messaging accounts of government officials, military personnel, politicians, and activists across Ukraine, Europe, and the United States. […]

The Russian state-sponsored threat actor known as Turla has been attributed to a previously undocumented .NET backdoor called STOCKSTAY that has been deployed against government and military organizations in Ukraine, and entities that have an interest in Italian foreign policy

Novo Nordisk Breach Involved 'Copying' of Patient, Healthcare Provider InfoA hack on Danish pharmaceutical manufacturer Novo Nordisk has compromised some patients' clinical trial information, the maker of popular weight loss and diabetes treatment drugs including Wegovy and Ozempic said. The company is working to bring affected IT systems back online.

JDY botnet scans SOHO/IoT devices globally to map services and targets, especially US military networks. Lumen’s Black Lotus Labs reported the resurgence of the JDY botnet, a covert reconnaissance network tied to Chinese state-sponsored hacking groups including Volt Typhoon. The network was first spotted in late 2023 as a cluster inside KV-botnet. The U.S. government […]

GREYVIBE, a Russia-linked group active since 2025, targets Ukraine with AI-assisted malware and five attack chains. Researchers say it’s part spy op, part crime gang. Security firm WithSecure has been tracking a previously unknown Russian-linked APT group called GREYVIBE since at least August 2025. The group targets Ukraine and Ukrainian-related organizations across military, government, civilian, […]

Attackers Attempted to Reroute Hospital Medicaid ReimbursementsA hack on a Connecticut Medicaid web portal involving compromised credentials of a healthcare provider has affected the payment account and other information for about 22,500 patients. The data theft is the latest breach involving a healthcare related web portal hack. Why does this keep happening?

Recent Hacks Underscore Persistent and Growing Threats to Smaller OrganizationsSmall and mid-sized healthcare organizations - including medical specialty practices and regional clinics - continue to fall victim disproportionately to hacking incidents, including ransomware attacks and data thefts - affecting large populations of patients. Why does this keep happening?

Incident Involved an Unnamed Third-Party VendorNew York City's municipal healthcare system is notifying nearly 2 million patients of a hacking incident discovered earlier this year involving a third-party vendor. The breach compromised a long list of information, including biometric data such as fingerprints.

Also, Europol Cracks DDoS Networks, Mythos Finds Bugs, France Portal HitThis week, scam compounds. Attackers exploit flaws pre-disclosure. A crackdown on DDoS-for-hire. No Mythos for CISA, yes for Mozilla. France ID portal breach. Israeli and Venezuelan critical infrastructure targeted. Russian hacking in Ukraine. An Apache flaw. A ransomware negotiator aided BlackCat.

Experts Cite Prepositioning Risk in Iranian Cyber Operations Amid Escalating WarWarnings from Iranian-linked hacking groups targeting U.S. water systems highlight a growing risk of prepositioned cyber access and rapid attack activation, analysts told ISMG, as federal defenders confront rising geopolitical tensions and operational strain across critical infrastructure sectors.

Experts Cite Prepositioning Risk in Iranian Cyber Operations Amid Escalating WarWarnings from Iranian-linked hacking groups targeting U.S. water systems highlight a growing risk of prepositioned cyber access and rapid attack activation, analysts told ISMG, as federal defenders confront rising geopolitical tensions and operational strain across critical infrastructure sectors.

Incidents Are Unrelated, Says NYC Health + HospitalsHackers had access to New York City's municipal healthcare system for nearly three months before being detected, stealing data of an undisclosed number of patients. The incident is the second hacking-related data breach within weeks involving a third-party firm hired by NYC Health + Hospitals.

The Mission: Hack High Value Targets' Devices, Apps and Transmit His LocationA team of cybersecurity students from the University of North Georgia vanquished seven opposing teams from other senior military colleges and elite service academies in an upset victory to win a capture the flag hacking contest staged this week at the National Defense University here.

Medical Device Manufacturer Hack Was Likely OpportunisticAn Iranian cyberattack on medical device maker Stryker's internal IT environment does not appear to affect connected products used by the company's healthcare clients. But an outage of Stryker's electronic ordering system could lead to supply chain issues for its customers.

Healthcare Hit Shows Symbols Matter as Iran Shifts Focus to Economic DamageCybersecurity experts say that the Handala "hacktivist" group that claimed credit for attacks against two American firms on Wednesday is run by the Iranian government. The shift to destructive cyberattacks parallels Iran's attempt to inflict greater economic damage on the United States and allies.

The Russian state-sponsored hacking group tracked as APT28 has been observed using a pair of implants dubbed BEARDSHELL and COVENANT to facilitate long‑term surveillance of Ukrainian military personnel

Compromise Affects Healthcare Clients of Co.'s Revenue Cycle Management ServicesBilling services vendor Trizetto Provider Solutions is notifying 3.4 million individuals of a hacking incident discovered in October 2025 that investigators have now determined started nearly a year earlier, when threat actors accessed the company's healthcare clients' insurance related data.

Attack Spotlights Threats, Risks Facing Healthcare Supply ChainUFP Technologies, a Massachusetts-based maker of single-use medical devices and other healthcare supplies, has notified the U.S. Securities and Exchange Commission of a cyber incident discovered on Valentine's Day that involved the theft or destruction of company data.

A previously undocumented threat actor has been attributed to attacks targeting Ukrainian organizations with malware known as CANFAIL