H-ISAC – Network Securitas

December 13, 2021

Inside Ireland’s Public Healthcare Ransomware Scare

This post was originally published on this siteThe consulting firm PricewatersCoopers recently published lessons learned from the disruptive and costly ransomware attack in May 2021 on Ireland’s public health system. The unusually candid post-mortem found that nearly two months elapsed between the initial intrusion and the launching of the ransomware. It also found affected hospitals had tens of thousand of outdated Windows 7 systems, and that the health system’s IT administrators failed to respond to multiple warning signs that a massive attack was imminent. PWC’s timeline of the days leading up to the deployment of Conti ransomware on May 14. […]

April 18, 2022

Conti’s Ransomware Toll on the Healthcare Industry

This post was originally published on this siteConti — one of the most ruthless and successful Russian ransomware groups — publicly declared during the height of the COVID-19 pandemic that it would refrain from targeting healthcare providers. But new information confirms this pledge was always a lie, and that Conti has launched more than 200 attacks against hospitals and other healthcare facilities since first surfacing in 2018 under its earlier name, “Ryuk.” On April 13, Microsoft said it executed a legal sneak attack against Zloader, a remote access trojan and malware platform that multiple ransomware groups have used to deploy […]