Latest cybersecurity reporting from selected sources.

iRhythm disclosed a cyberattack via third-party apps where patient and proprietary data was stolen, followed by a ransom demand. iRhythm Technologies is a U.S.-based digital healthcare company specializing in remote cardiac monitoring and arrhythmia detection. Its best-known product is the Zio, a wearable patch that continuously records a patient’s heart rhythm for up to several […]

Geopolitical tensions are driving destructive cyberattacks designed to disrupt operations, not demand ransom. CISOs must limit lateral movement and contain breaches to reduce the impact of wiper campaigns. [...]

The human harms of cyberattacks piled up this year, and violence expected to increase The knock-on, and often unintentional, impacts of a cyberattack are so rarely discussed. As an industry, the focus is almost always placed on the economic damage: the ransom payment; the cost of business downtime; and goodness, don't forget those poor shareholders.…

The office of Pennsylvania's attorney general has confirmed that the ransomware gang behind an August 2025 cyberattack stole files containing personal and medical information. [...]

Ransomware is malicious software designed to block access to a computer system or encrypt data until a ransom is paid. This cyberattack is one of the most prevalent and damaging threats in the digital landscape, affecting individuals, businesses, and critical infrastructure worldwide

UK and US Charge Suspects With Hitting Transport for London, Healthcare, OthersTwo English teenagers have been charged with disrupting London's transport network as part of a Scattered Spider cyberattack. One of the suspects has also been accused by the U.S. of helping to attack 120 other victims, generating $115 million in ransom payments.

Ransomware Gang Nova Poised to Leak Patient Data, Lab Stays Mum on NegotiationsWith ransomware gang Nova threatening to leak patient data on the darkweb, a Dutch laboratory that performs cervical cancer tests for a government screening program is mum about the ransom negotiations, but it says the cyberattack in July has affected 941,000 patients.

Expect Attackers to Expand Their Focus to US Targets, Cybersecurity Expert WarnsA trio of British High Street retailers are continuing to recover from cyberattacks that disrupted online orders or in-store card payments, resulting in lower earnings alerts and stock shortages across supermarkets. Expect the attackers to set their sights on U.S. targets, an expert warned.

PowerSchool is warning that the hacker behind its December cyberattack is now individually extorting schools, threatening to release the previously stolen student and teacher data if a ransom is not paid. [...]

The UK's Southern Water has been forced to shell out millions due to a Black Basta cyberattack, and it has come to light that the total could include a ransom payment.

The BianLian ransomware group has claimed the cyberattack on Boston Children's Health Physicians (BCHP) and threatens to leak stolen files unless a ransom is paid. [...]

Ultimately, the goal of businesses and cyber insurers alike is to build more resilient IT environments to avoid cyberattacks and the ransom, downtime, and reputation hit that come along with them.

Though the Chicago-area hospital did not pay a ransom, a host of sensitive medical information is now at risk.

The BlackSuit ransomware gang claimed a recent cyberattack on KADOKAWA corporation and is now threatening to publish stolen data if a ransom is not paid. [...]

The Black Suit ransomware gang claimed a recent cyberattack on KADOKAWA corporation and is now threatening to publish stolen data if a ransom is not paid. [...]

More than 200 regional and national government agencies have been impacted by the ransomware attack, and few of them are once again operational.

Cybersecurity breaches can be devastating for both individuals and businesses alike. While many people tend to focus on understanding how and why they were targeted by such breaches, there's a larger, more pressing question: What is the true financial impact of a cyberattack? According to research by Cybersecurity Ventures, the global cost of cybercrime is projected to reach

A ransomware gang claimed responsibility for the attack, though it is unknown if a ransom was demanded or paid.

The Daixin Team ransomware gang claimed a recent cyberattack on Omni Hotels & Resorts and is now threatening to publish customers' sensitive information if a ransom is not paid. [...]

A recent cyberattack on Hoya Corporation was conducted by the 'Hunters International' ransomware operation, which demanded a $10 million ransom for a file decryptor and not to release files stolen during the attack. [...]