Latest cybersecurity reporting from selected sources.

Health-ISAC Warns About Weak Governance and Credential MisuseHumans make mistakes. They fall for phishing scams and click on malicious links. Machines aren't necessarily better: Delegating decisions to agentic artificial tools can significantly intensify cybersecurity risks, warns a healthcare association.

The Iranian state-sponsored threat actor known as Nimbus Manticore (aka Screening Serpens and UNC1549) has been attributed to a fresh campaign using lures impersonating organizations in the aviation and software sectors across the U.S., Europe, and the Middle East following the joint U.S.-Israeli military campaign against the country in late February 2026

Also, Eurail Breach, ChipSoft Hospital Disruptions, W3LL Phishing TakedownThis week, a "Raccoon"-linked actor hit help desks, Eurail exposed 308K users, Fortinet patched critical flaws, Pushpaganda scams, major data leaks hit healthcare and China, ransomware and phishing ops surged, and multiple breaches impacted firms and hospitals.

Also, Russian Signal Phishing, Iran-Linked Malware, Breaches in Spain and FranceThis week, Tycoon 2FA, Trio-Tech, messaging app spying and a ransomware broker sentenced. Iran-linked hackers. Mazda disclosed a breach. Oracle patched a flaw. North Korean actors weaponized VS Code, a Spanish port ransomware attack, a French teacher data breach and a healthcare firm victim surge.

A phishing campaign targeting healthcare, government, hospitality, and education sectors in various countries uses several evasion techniques to avoid detection.

The suspected India-linked threat group targets governments, telecom, and critical infrastructure using spear-phishing, old vulnerabilities, and rapidly rotating infrastructure to maintain persistent access.

Hackers contacted employees at financial and healthcare organizations over Microsoft Teams to trick them into granting remote access through Quick Assist and deploy a new piece of malware called A0Backdoor. [...]

Russian state-sponsored hackers have been linked to an ongoing Signal and WhatsApp phishing campaign targeting government officials, military personnel, and journalists to gain access to sensitive messages. [...]

Dutch spies flag large-scale campaign to hijack secure messaging accounts Russian-linked hackers are trying to break into the Signal and WhatsApp accounts of government officials, journalists, and military personnel globally – not by cracking encryption, but by simply tricking people into handing over the keys.…

Germany's Federal Office for the Protection of the Constitution (aka Bundesamt für Verfassungsschutz or BfV) and Federal Office for Information Security (BSI) have issued a joint advisory warning of a malicious cyber campaign undertaken by a likely state-sponsored threat actor that involves carrying out phishing attacks over the Signal messaging app

Trellix Says Email, Identify Failures Are Among Top Vectors in Health CompromisesOf the millions of threats detected in healthcare IT environments last year, email phishing, identity failures and device vulnerabilities were among the top vectors for non-clinical IT compromises - often "cascading" and disrupting patient care, said a new report from security firm Trellix.

What's next for Venezuela? Click on the file and see What policy wonk wouldn't want to click on an attachment promising to unveil US plans for Venezuela? Chinese cyberspies used just such a lure to target US government agencies and policy-related organizations in a phishing campaign that began just days after an American military operation captured Venezuelan President Nicolás Maduro.…

Also, Sedgwick Confirms Breach, Romanian Power Firm Hit, D-Link Flaws ExploitedThis week, Moody's said firewalls will be obsolete, Romanian critical infrastructure hacked, Sedgwick breach and a D-Link DSL flaw. Finland seized the Fitburg. Microsoft said Direct Send not to blame for Exchange phishing. Malicious Chrome extensions, European hotels targeted and health breaches.

Also, Sedgwick Confirms Breach, Romanian Power Firm Hit, D-Link Flaws ExploitedThis week, Moody's said firewalls will be obsolete, Romanian critical infrastructure hacked, Sedgwick breach and a D-Link DSL flaw. Finland seized the Fitburg. Microsoft said Direct Send not to blame for Exchange phishing. Malicious Chrome extensions, European hotels targeted and health breaches.

Preparing a healthcare workforce to responsibly engage with AI tools without over relying on automation or undermining human oversight will require awareness training akin to phishing exercises, said Skip Sorrels, field CTO and CISO at security firm Claroty.

The threat actor known as Confucius has been attributed to a new phishing campaign that has targeted Pakistan with malware families like WooperStealer and Anondoor

Genians observed the Kimsuky group impersonate a defense institution in a spear-phishing attack, leveraging ChatGPT to create fake military ID cards

Alerts Come on the Heels of Recent Attacks on InsurersU.S. federal authorities are warning the public and healthcare sector entities of email and fax phishing scams by fraudsters seeking to steal personal information about patients or payments. The warnings come as three large U.S. insurers continue to recover from recent cyberattacks.

The losses are 33% higher than the year before, with phishing leading the way as the most-reported cybercrime last year, and ransomware was the top threat to critical infrastructure, according to the FBI Internet Crime Report.

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.