Latest cybersecurity reporting from selected sources.

CISA Lauded for Fast Response, Transparency and Detailing Security RecommendationsSecure developers' use of public code repositories, monitor them for secrets and if they get exposed, have a well-tested incident response playbook at the ready. The U.S. Cybersecurity and Infrastructure Security Agency has shared these and other lessons learned after suffering a data leak.

Diagnostics Lab Reported 10.3M Patients Affected by Collection Agency's HackMedical laboratory testing giant Labcorp has agreed to pay $35 million to settle class action litigation stemming from a 2018 hacking incident on now-defunct American Medical Collections Agency. Labcorp reported the vendor breach in 2019 as affecting nearly 10.3 million patients.

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.

Attack Spotlights Threats, Risks Facing Healthcare Supply ChainUFP Technologies, a Massachusetts-based maker of single-use medical devices and other healthcare supplies, has notified the U.S. Securities and Exchange Commission of a cyber incident discovered on Valentine's Day that involved the theft or destruction of company data.

Will the Back-Office Services' Firm Incident Shatter US Data Breach Records?The Texas attorney general office has launched an investigation into the Conduent Business Services hacking incident, which affected about 15.5 million Texans, including about 4 million Blue Cross Blue Shield of Texas members. Will the nationwide victim tally shatter data breach records in the U.S.?

Acting Chief Tells Lawmakers Most Staff Would Be Furloughed Amid Partial ShutdownMore than half of the U.S. cyber defense agency's workforce would be furloughed under a DHS funding lapse, the agency's acting chief warned Wednesday, pausing incident reporting rulemaking, security assessments and proactive cyber programs while significantly limiting operations.

Cause Unknown But Many Previous Outages Due to Software MisconfigurationVerizon customers along the Eastern Seaboard and Southern parts of the United States lost mobile phone connectivity Wednesday in an incident that appears to have peaked around 1 p.m.

Insurer's Hack Could Rank as Largest US Health Data Breach Reported in 2025Supplemental health insurer Aflac is notifying 22.65 million people whose sensitive health and personal information, including Social Security numbers, was potentially compromised in a June data theft incident. The incident will likely rank as the biggest U.S. health data breach reported in 2025.

Insurer's Hack Could Rank as Largest US Health Data Breach Reported in 2025Supplemental health insurer Aflac is notifying 22.65 million people whose sensitive health and personal information, including Social Security numbers, was potentially compromised in a June data theft incident. The incident will likely rank as the biggest U.S. health data breach reported in 2025.

JP Morgan Chase, Citi and Morgan Stanley Among Banking Customers ImpactedMajor U.S. banks are assessing their exposure to a cybersecurity incident at real estate financial technology company SitusAMC, which disclosed Saturday that a breach may have affected client data. The New York firm uncovered the incident on Nov. 12.

Nation-State Actor Suspected in Breach of Congressional Budget OfficeThe Congressional Budget Office has been the subject of an apparent cyber incident, officials confirmed Friday, raising concerns that adversaries may have gained access to sensitive data used to inform U.S. legislative decisions amid ongoing federal cyber staffing shortages.

Also: DSLRoot Turns Homes Into Proxies, Cyberattack Disrupts Swedish TownsThis week: TransUnion incident affects 4.5 million, DSLRoot residential proxies, Operation Serengeti 2.0, ZipLine campaign exploits contact forms, a cyberattack disrupts 200 Swedish municipalities, Maryland Transit Administration hit by ransomware, TAG-144 escalated attacks in South America.

Multi-Line Insurance Company Warns Customers of Potential ScamsErie Indemnity Company, which offers a wide range of insurance including Medicare supplements and cyber coverage, has notified the U.S. Securities and Exchange Commission that it has been responding to a cyber incident since last weekend. The company is also warning customers of potential scams.

Multi-Line Insurance Company Warns Customers of Potential ScamsErie Indemnity Corp., which offers a wide range of insurance including Medicare supplements and cyber coverage, has notified the U.S. Securities and Exchange Commission that it has been responding to a cyber incident since last weekend. The company is also warning customers of potential scams.

Hacker Breaches Government-Approved Messaging App Used by Top Trump OfficialsA Signal clone messaging app apparently being used by top advisers to U.S. President Donald Trump abruptly went dark Monday following a reported hacking incident. TeleMessage said it temporarily suspended messaging services "out of an abundance of caution."

Company Files Report With SEC About Incident Discovered Over the WeekendDenver-based DaVita Inc., which runs more than 3,100 dialysis and other kidney care facilities in the U.S. and in 13 other countries, reported to the U.S. Securities and Exchange Commission that a ransomware attack over the weekend is disrupting some of its operations.

Microsoft Reportedly Alerted Office of the Comptroller of the Currency to BreachFor nearly two years, hackers reportedly spied on 150,000 "highly sensitive" emails sent and received by America's banking regulator, the Office of the Comptroller of the Currency. The OCC said it's continuing to probe the "major information security incident."

Settlement Is 5th HIPAA Enforcement Action Under HHS's OCR Risk Analysis InitiativeAn Illinois-based firm that provides fitness and wellness plans to clients throughout the U.S. has agreed to pay federal regulators a settlement of nearly $228,000 and implement a corrective action plan following an IT misconfiguration incident caused several breaches in late 2018 and early 2019.

Large Health Data Breach Started With Phishing Lure in Employees' EmailTennessee-based Numotion, one of the largest U.S. providers of wheelchairs and other health-related mobility products is notifying nearly 500,000 people of a 2024 email hacking incident that potentially compromised their personal and health-related information.

Ransomware Attack in 2023 Affected More Than 6 Million PeopleIndian IT services giant Infosys said its U.S. subsidiary Infosys McCamish Systems agreed to pay $17.5 million to settle six class action lawsuits related to a cybersecurity incident that compromised the personal information of more than 6 million people.