Latest cybersecurity reporting from selected sources.

Polymarket confirmed hackers stole funds from some users after attackers injected malicious code through a compromised third-party vendor. Polymarket confirmed that a security breach at a third-party vendor allowed attackers to inject malicious code into its website, leading to the theft of funds from an undisclosed number of users. The company said it has contained […]

More victims have emerged after attackers breached application vendor Klue and used its OAuth tokens to steal customers' Salesforce data.

CareCloud: Intruder Accessed Systems for 8 Hours, Still Assessing Extent of BreachElectronic health records vendor CareCloud has notified the U.S. Securities and Exchange Commission of a cyber incident earlier this month that temporarily disrupted the software and accessed one of its EHR environments. The company is assessing whether patient data was accessed or stolen.

Spanish flag carrier Iberia has begun notifying customers of a data security incident stemming from a compromise at one of its suppliers. The disclosure comes days after a threat actor claimed on hacker forums to have access to 77 GB of data allegedly stolen from the airline. [...]

The network security vendor said the MySonicWall breach was unrelated to the recent wave of Akira ransomware attacks targeting the company's devices.

Regulators Want to Know If Insurer Delayed Notifying 462,000 Affected MembersMontana regulators are investigating a breach affecting 462,000 Blue Cross Blue Shield of Montana members involving one of the insurer's service providers. The vendor, Conduent, in April notified the SEC that the data theft affected numerous clients and a "significant number" of people.

Outsourcing your helpdesk always seems like a good idea – until someone else's breach becomes your problem Discord has confirmed customers' data was stolen – but says the culprit wasn't its own servers, just a compromised support vendor.…

At Least 918K Affected in 2024 BianLian Data Theft AttackA New York-based pediatric practice and its managed services vendor have agreed to pay $5.15 million to settle a proposed class action lawsuit stemming from a 2024 data theft attack affecting more than 918,000 people and allegedly carried out by cybercrime gang BianLian.

Horizon Healthcare RCM Hints at Paying Ransom in Data Theft IncidentHorizon Healthcare RCM is the latest revenue cycle management software vendor to report a health data breach involving ransomware and data theft. The firm's breach notification statement suggests that the company paid a ransom to prevent the disclosure of its stolen information.

Financially Strapped Cloud Services Firm Settles Suit From 2020 Patient Data HackA financially strapped cloud services vendor that experienced a 2020 ransomware attack affecting dozens of healthcare sector clients and hundreds of thousands of patients has agreed to a $1.9 million settlement in proposed class action litigation involving the data theft case.

Arizona-based Western Alliance Bank is notifying nearly 22,000 customers their personal information was stolen in October after a third-party vendor's secure file transfer software was breached. [...]

Vendor Providing Employee Screenings Across Multiple Sectors Reports Cyber IncidentDISA Global Solutions, a third-party administrator of background checks and drug and alcohol testing for employers in multiple industries, said 3.3 million individuals are affected by a data theft incident that happened a year ago. The firm is already facing several lawsuits involving the breach.

7 Proposed Class Actions Filed Against Allegheny Health Network and IntraSystemsA Pittsburgh-based healthcare system and its Massachusetts-based IT services firm are facing at least seven proposed federal class action lawsuits involving a data theft - reported on Jan. 17 - affecting about 293,000 people. The hack is the latest major breach involving a business associate.

Popular cannabis brand STIIIZY disclosed a data breach this week after hackers breached its point-of-sale (POS) vendor to steal customer information, including government IDs and purchase information. [...]

In what's being called a 'major cybersecurity incident,' Beijing-backed adversaries broke into cyber vendor BeyondTrust to access US Department of Treasury workstations and steal unclassified data, according to a letter sent to lawmakers.

Amazon confirmed a data breach involving employee information after data allegedly stolen during the May 2023 MOVEit attacks was leaked on a hacking forum. [...]

The cybercriminal group holding the stolen information is demanding the vendor admit to the breach and pay up.

Nokia is investigating whether a third-party vendor was breached after a hacker claimed to be selling the company's stolen source code. [...]

T-Mobile has denied it was breached or that source code was stolen after a threat actor claimed to be selling stolen data from the telecommunications company. [...]

Concentra Health Services Joins List of Those Affected in Transcriber's Data BreachA Texas-based physical and occupational therapy provider is notifying nearly 4 million patients that they have joined the soaring tally of victims of a data theft incident at a Nevada medical transcription vendor last year. The supply chain hack appears to have affected at least 14 million people.