Latest cybersecurity reporting from selected sources.

A 34-year-old Armenian man has pleaded guilty to hacking U.S. companies and deploying the infamous Ryuk ransomware to encrypt their systems. [...]

2023 LockBit Attack Affected Nearly 9M People, Including ChildrenMCNA Dental, one of the largest providers of U.S. government-sponsored dental benefits to children, has agreed to a proposed multimillion dollar settlement to resolve class action claims stemming from a 2023 LockBit ransomware attack and data theft that affected nearly 9 million people.

Also, YellowKey Bypasses BitLocker, Škoda Breach, Kingdom Market Operator JailedThis week, U.S. lawmakers urged action on AI, a BitLocker exploit. Škoda, Nvidia’s GeForce NOW partner and telehealth firm OpenLoop reported breaches. Patch Tuesday. A dark market operator sentenced and pro-Ukraine and Iranian-linked hacking. Nitrogen ransomware attack on Foxconn.

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.

Marquis Software Solutions, a Texas-based financial services provider, is blaming a ransomware attack that impacted its systems and affected dozens of U.S. banks and credit unions in August 2025 on a security breach reported by SonicWall a month later. [...]

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.

Federal prosecutors in the U.S. have accused a trio of allegedly hacking the networks of five U.S. companies with BlackCat (aka ALPHV) ransomware between May and November 2023 and extorting them

Three former employees of cybersecurity incident response companies DigitalMint and Sygnia have been indicted for allegedly hacking the networks of five U.S. companies in BlackCat (ALPHV) ransomware attacks between May 2023 and November 2023. [...]

Also, Disney Pays $10M to Settle Child Privacy Case, Spain Scraps Huawei DealThis week, Jaguar hack, Disney settled a child privacy case, Texas sued PowerSchool and federal prosecutors sued a toy maker. Spain voided a Huawei contract, Pennsylvania AG confirmed a ransomware attack. U.S. immigration enforcement resumed a spyware contract and Baltimore lost $1.5 million to BEC.

An Iranian-backed ransomware-as-a-service (RaaS) named Pay2Key has resurfaced in the wake of the Israel-Iran-U.S. conflict last month, offering bigger payouts to cybercriminals who launch attacks against Israel and the U.S

345 Major HIPAA Breaches Reported to Feds So Far This Year, Affecting 29.9 MillionMidway through 2025, the federal website listing major health data breaches in the U.S. shows a familiar scene: Many hacking incidents including ransomware, dozens of third-party vendor incidents, and millions of individuals affected by compromised personal data.

Also, O Canada, Oh Brother and More Probable Chinese HackingThis week, ransomware kills, Salt Typhoon hit Canada, Russian backdoors, SAP and Citrix patches, China hackers in the oil and energy sector. Brother printers have an unfixable flaw. Ransomware hit a U.S. dairy cooperative. Hackers in Albania and Oxford. European lawmakers heard cybersecurity advice.

Suspected Hacker, Rami Khaled Ahmed, 36, Thought to Be in YemenA Yemini man faces charges in U.S. federal court for being the mastermind behind a rash of ransomware attacks that took advantage of the 2021 Microsoft Exchange flaw known as ProxyLogon. A Los Angeles federal grand jury indicted Rami Khaled Ahmed, 36.

The U.S. Treasury Department has sanctioned Chinese cybersecurity company Sichuan Silence and one of its employees for their involvement in a series of Ragnarok ransomware attacks targeting U.S. critical infrastructure companies and many other victims worldwide in April 2020. [...]

Suspected LockBit, Babuk Operator Mikhail Matveev Arrested in RussiaA prolific ransomware affiliate hacker and developer is facing criminal charges in Russia, Kremlin media reported Friday. Mikhail Pavlovich Matveev has been wanted by U.S. authorities since 2023 for his role in hacking activities as part of ransomware groups including LockBit, Hive and Babuk.

Colorado Laboratory Already Facing Several Proposed Class Action Breach LawsuitsA Colorado-based pathology laboratory is notifying more than 1.8 million patients that their sensitive information was compromised in an April hack, one of the largest breaches reported by a medical testing lab to U.S. federal regulators to date. Ransomware gang Medusa is blamed for the attack.

Three different organizations in the U.S. were targeted in August 2024 by a North Korean state-sponsored threat actor called Andariel as part of a likely financially motivated attack

U.S. cybersecurity and intelligence agencies have called out an Iranian hacking group for breaching multiple organizations across the country and coordinating with affiliates to deliver ransomware

An Iran-based hacking group known as Pioneer Kitten is breaching defense, education, finance, and healthcare organizations across the United States and working with affiliates of several ransomware operations to extort the victims. [...]

InfoSys McCamish Systems Earlier Alerted 57,000 Bank of America Clients of BreachInfosys McCamish Systems, an insurance software product and services vendor, is notifying nearly 6.1 million people of a 2023 ransomware incident that potentially comprised their sensitive data, including Social Security numbers, medical treatment, and financial and biometric information.