How the ransomware attack at Change Healthcare went down – a timeline


A ransomware attack earlier this year on UnitedHealth-owned health tech company Change Healthcare likely stands as one of the largest data breaches of U.S. health and medical data in history.

Months after the February data breach, a “substantial proportion of people living in America” are receiving notice by mail that their personal and health information was stolen by cybercriminals during the cyberattack on Change Healthcare. At least 100 million people are now known to be affected by the breach. Change Healthcare processes billing and insurance for hundreds of thousands of hospitals, pharmacies and medical practices across the U.S. healthcare sector. As such, it collects and stores vast amounts of highly sensitive medical data on patients in the United States.

Read more…
Source: TechCrunch


Sign up for our Newsletter


Related:

  • Russia-based Pushwoosh tricks US Army and others into running its code – for a while

    November 15, 2022

    US government agencies including the Army and Centers for Disease Control and Prevention pulled apps running Pushwoosh code after learning the software company – which presents itself as American – is actually Russian, according to Reuters. Pushwoosh is a software company that provides code and data analysis for developers so they can automate custom push notifications ...

  • US Health Dept warns of Venus ransomware targeting healthcare orgs

    November 10, 2022

    The U.S. Department of Health and Human Services (HHS) warned today that Venus ransomware attacks are also targeting the country’s healthcare organizations. In an analyst note issued by the Health Sector Cybersecurity Coordination Center (HC3), HHS’ security team also mentions that it knows about at least one incident where Venus ransomware was deployed on the networks ...

  • Hack the Real Box: APT41’s New Subgroup Earth Longzhi

    November 9, 2022

    In early 2022, Trend Micro investigated an incident that compromised a company in Taiwan. The malware used in the incident was a simple but custom Cobalt Strike loader. After further investigation, however, we found incidents targeting multiple regions using a similar Cobalt Strike loader. While analyzing code similarities and tactics, techniques, and procedures (TTPs), we ...

  • Medibank now says hackers accessed all its customers’ personal data

    October 27, 2022

    Australian insurance firm Medibank has confirmed that hackers accessed all of its customers’ personal data and a large amount of health claims data during a recent ransomware attack. In an announcement published today, the companies warned that an internal investigation into the attack has shown that the threat actors had far greater access to customer data ...

  • #StopRansomware: Daixin Team

    October 21, 2022

    This joint Cybersecurity Advisory (CSA) is part of an ongoing #StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors. These #StopRansomware advisories include recently and historically observed tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) to help organizations protect against ransomware. Visit stopransomware.gov to see ...

  • Oops, web trackers may have leaked 3 million patients’ info

    October 20, 2022

    A hospital network in Wisconsin and Illinois fears visitor tracking code on its websites may have transmitted personal information on as many as 3 million patients to Meta, Google, and other third parties. Advocate Aurora Health (AAH) reported the potential breach to the US government’s Health and Human Services. As well as millions of patients, AAH ...