Latest cybersecurity reporting from selected sources.

Also, Lloyds Data Leak, Dutch Treasury Breach, Citrix Bug Exploit, Pay2Key ActivityThis week, Lloyds data leak hits 450K, Dutch treasury breach, Citrix flaw exploited, Iran-linked ransomware ops, TrueConf zero-day, Russian fraud ring sentenced, Romania targeted, patch gaps persist, and U.S. hospital breach affects 257K.

Cierant Corp. Says Cleo MFT Zero-Day Exploit Compromised Health Plan Client DataA Connecticut-based firm that provides print and electronic document management services to health plans has reported to regulators that an exploit of a vulnerability in file transfer software from third-party vendor Cleo has resulted in a health data compromise affecting nearly 233,000 people.

Former Business Partner's Third-Party Software at Center of Hospital Chain's IncidentAscension Health is notifying nearly 440,000 patients of a breach involving a former business partner and exploit of a third-party software flaw. Some experts speculate the incident involved Cleo managed file transfer software. The breach is one of several Ascension experienced in recent months.

A previously unknown threat activity cluster targeted European organizations, particularly those in the healthcare sector, to deploy PlugX and its successor, ShadowPad, with the intrusions ultimately leading to deployment of a ransomware called NailaoLocker in some cases

AG Says HealthAlliance Tried But Failed to Fix Zero-Day Flaw That Led to ExploitNew York State has levied a $550,000 fine against a healthcare group that tried - but failed - to patch a critical zero-day vulnerability in a Citrix NetScaler appliance used for telemedicine. Hackers exploited the flaw, stealing 196 gigabytes of data in an incident affecting 242,000 people.

HHS Alerts on Scattered Spider, Living of the Land, Miracle Exploit, F5 AttacksFederal authorities are warning the healthcare sector of an array of cyberthreats - including Scattered Spider hacks, living-off-the-land attacks, and bad actors looking to exploit weaknesses such as F5 misconfigurations and also so-called "Miracle Exploit" flaws in some Oracle software.

Experts Speculate About Whether the Hack Involved the ScreenConnect Flaw ExploitPharmacies at U.S. military hospitals and clinics worldwide are among the entities affected by the cyberattack on Optum's Change Healthcare this week, which has forced the IT services company to take many of its applications offline. Change Healthcare disconnected its IT systems on Wednesday.

Urgent Action Needed to Prevent Ransomware Attacks Involving Vulnerability ExploitA recent spike in ransomware attacks has prompted federal regulators and the American Hospital Association to issue urgent warnings to hospitals and other healthcare firms to prevent potential exploitation of the Citrix Bleed software flaw affecting some NetScaler ADC and NetScaler Gateway devices.

The North Korea-linked threat actor known as Lazarus Group has been observed exploiting a now-patched critical security flaw impacting Zoho ManageEngine ServiceDesk Plus to distribute a remote access trojan called such as QuiteRAT

A new intelligence gathering campaign linked to the prolific North Korean state-sponsored Lazarus Group leveraged known security flaws in unpatched Zimbra devices to compromise victim systems