August 4, 2023 TLP:CLEAR Report: 202308041500 Executive Summary Rhysida is a new ransomware-as-a-service (RaaS) group that has emerged since May 2023. The group drops an eponymous ransomware via phishing attacks and Cobalt Strike to breach targets’ networks and deploy their payloads. The group threatens to publicly distribute the exfiltrated data if the ransom is not…
Search Results for: ransomware
Crozer Health’s computer systems were knocked offline Thursday by a ransomware attack
Harold Brubaker reports: Computer systems at Delaware County’s Crozer Health were offline Thursday after a ransomware attack on the health system’s owner, Prospect Medical Holdings Inc., the company said. “We have experienced a ransomware attack that is Prospect-wide, and are currently evaluating the situation,” Crozer spokesperson Lori Bookbinder said in a text. “We will provide…
Coverage Challenges in Ransomware Claims: Cyber Insurance Policies and Trends in Denials
Mark Rasch of Korhman Jackson & Krantz writes: A consistent pattern emerges in data breach and cyber-attack cases when companies turn to their insurers for coverage after such incidents. Whether they possess specialized cyber insurance or not, insurers often decline claims, citing various reasons such as failure to provide timely notice, failure to mitigate costs,…
MHMR Authority of Brazos Valley provides notice of ransomware attack last November (1)
On December 22, 2022 DataBreaches added MHMR Authority of Brazos Valley to our non-public breach worksheet. Based on information at that time from Hive threat actors, it appeared that the non-profit Texas mental health and substance abuse treatment provider’s files had been locked on November 5. Their listing on Hive’s leak site was a sure…
ALPHV ransomware adds data leak API in new extortion strategy
Ionut Ilascu reports: The ALPHV ransomware gang, also referred to as BlackCat, is trying to put more pressure on their victims to pay a ransom by providing an API for their leak site to increase visibility for their attacks. […] Multiple researchers spotted earlier this week that the ALPHV/BlackCat data leak site added a new…
Yamaha confirms cyberattack after multiple ransomware gangs claim attacks
Jonathan Greig reports: Yamaha’s Canadian music division confirmed that it recently dealt with a cyberattack after two different ransomware groups claimed to have attacked the company. The Yamaha Corporation — different from the spun-off motorcycle division — is a Japanese manufacturing giant producing musical instruments and audio equipment. It is considered the world’s largest producer…