Latest cybersecurity reporting from selected sources.

Victims Increasingly Face Multiple Compromises From a Single IncidentIdentity theft scams are increasingly unfolding as coordinated, AI-assisted attack chains that begin with phishing or impersonation escalate into account takeovers, device compromise and broader fraud, according to the Identity Theft Resource Center.

Cybercrime Group First Listed Ohio Health System as a Data Theft Victim Last JuneOhio-based Kettering Health is notifying current and former patients and "affiliates" that their personal, health and financial information was potentially compromised in a May 2025 ransomware attack and data theft incident claimed by cybercriminal gang Interlock.

Cybercrime Gang Rhysida Still Lists the Practice on Its Leak Site Among Its VictimsA Kansas medical group will pay $1.2 million to settle proposed class action litigation involving an attack that compromised the sensitive data of nearly 256,000 individuals. The Rhysida ransomware operation claimed responsibility and said it stole 3 terabytes.

Cybercrime Gang Monti Listed 84-Bed Rural Hospital Among Its Victims Last SummerA public Georgia community hospital is notifying more than 163,000 individuals that their sensitive health information was compromised in a June 2024 ransomware attack. The cybercriminal gang Monti on its dark website last summer claimed Wayne Memorial Hospital as one of its victims.

'Widespread Data Theft Campaign' Compromised Many Drift OAuth Tokens, Warn ExpertsThreat researchers report that "a widespread data theft campaign" traces to attackers stealing OAuth access tokens for applications integrated with Salesloft's AI chatbot Drift, then exfiltrating data. Victims include Salesforce customer Zscaler. Google Workspace instances were also breached.

Threat Actors Accessed, Stole Data for About 2 Months; BianLian Claims CreditA health system in rural Michigan is notifying nearly 140,000 people that their information was potentially compromised in a data theft incident occurring between November 2024 and January 2025. Cybercriminal gang BianLian lists Aspire Rural Health System as a victim on its dark website.

What Makes Timely and Accurate Breach Reporting So Difficult for Some Organizations?An Illinois-based brokerage firm that works with employers, businesses and consumers to obtain various types of insurance coverage is notifying nearly 156,000 people that their protected health information was compromised in a data theft hack that occurred more than a year ago. Why the delay?

At Least 410,000 Patients Reported Affected, But Likely Even More VictimsMonths after news first broke that a hacking incident compromised legacy patient data hosted by Cerner electronic health record servers that were set to migrate to parent company Oracle's cloud environment, data breach reports related to the hack are still slowly trickling in to regulators. What's taking so long?

Breach Victim Tally Soars Since Firm Filed an Initial Breach Report in Early AprilKelly Benefits is notifying nine large clients and nearly 264,000 individuals that their sensitive personal information was potentially compromised in a December data theft incident. The tally of affected people has climbed eight-fold since the company’s first estimate earlier this month.

Experts Explain Complexity of Company's Massive Data Breach Analysis EndeavorUnitedHealth Group says its previously eye-popping estimate of 100 million people affected by last year's attack on its Change Healthcare unit nearly doubled in recent months to a staggering 190 million victims. Why did it take so long for the company to figure out the extent of the compromise?

Amateurish Ransomware Group Doubles as HackstivistsCybersecurity researchers discovered an artificial intelligence-driven ransomware group that emerged at the end of last year and compromised more than 85 victims worldwide. The group uses double extortion, combining data theft with encryption.

Global Botnet's Victims Are in United States, Germany, Romania and Hong KongFBI Director Christopher Wray said Wednesday the bureau seized control of a Chinese-developed botnet that maintained access to thousands of compromised devices across the globe as part of an effort to launch widespread disruptive cyberattacks. The botnet is a Mirai variant.

Cybercriminal Group Claims to Have Published 100 Gigabytes of Agency's Stolen DataTwo months after RansomHub claimed to have published 100GBs of its stolen data on the dark web, the Florida Department of Health is notifying citizens that their sensitive information has been compromised. The attack affected the vital statistics system used to issue birth and death certificates.

Agency Spells Out Measures to Avoid Falling Victim to Costly SchemesHealthcare organizations should take steps to avoid falling victim to evolving threats involving costly business email compromise scams and related phishing schemes fueled by social engineering, warned the Department of Health and Human Services' Health Sector Cybersecurity Coordination Center.

FBI Says It Received Most Attack Reports From Healthcare, Critical ManufacturingCybercrime reports submitted by victims to the FBI's Internet Crime Complaint Center surged last year, and the total reported losses exceeded $12.5 billion. Investment fraud and business email compromise losses dominated, and ransomware attacks spared almost no critical infrastructure sector.

Microsoft Details OAuth Tactics, Says Losses Reached Up to $1.5M Per VictimHackers are exploiting OAuth applications to compromise user accounts, manipulate and confer elevated privileges, and set up cryptomining operations, which has cost some organizations up to $1.5 million in losses, according to Microsoft's Threat Intelligence team.