ransomware
Warlock ransomware breach SharePoint in water, telecom operator attacks
The China-linked ransomware group Warlock targeted a water utility, a telecom provider, a regional government body, and a university by exploiting SharePoint vulnerabilities to gain initial access. Over the past two months, the threat actor appears to have focused on countries speaking Portuguese and Spanish across Europe, Africa, and Latin America. The gang emerged in […]
Police dismantle KillSec ransomware gang allegedly led by 16-year-old
An international law enforcement operation dubbed “Operation KillSwitch” seized the KillSec ransomware gang’s data leak site and servers, led to three arrests, and identified a 16-year-old as the group’s alleged administrator. The coordinated law enforcement action was carried out on September 30, involving authorities from Belgium, the United States, Finland, Germany, Greece, the Netherlands, Romania, […]
Japan’s Keio confirms ransomware attack disrupted business systems
Keio Corporation (Keio), a major private railway operator in Japan, said its network was hit by a ransomware attack over the weekend, disrupting some of its business systems. Following a system failure in the early hours of Saturday, the company confirmed the attack and shut down its network to prevent additional damage. The company said […]
JadePuffer agentic AI attacks target Azure, destroy cloud resources
The JadePuffer ransomware operator is targeting Azure tenants with agent-driven attacks that conduct reconnaissance, steal credentials, and destroy core components. The malware emerged in July, with researchers at cloud security company Sysdig highlighting that it uses AI agents to automate the entire attack chain, from reconnaissance, credential theft, and lateral movement to persistence and data […]
ShinyHunters hacked Clop leak site using Grav CMS path traversal flaw
The Clop ransomware gang has moved its data leak site to a new Tor address after confirming its previous server was compromised and defaced through an unpatched Grav CMS flaw that GeekFeed has learned is an unauthenticated path traversal vulnerability. The Clop leak site was breached earlier this month by the ShinyHunters extortion gang, which first uploaded a […]
CISA: Ransomware gangs now exploiting critical TeamCity flaw
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned federal agencies on Wednesday that ransomware gangs are now also exploiting a critical JetBrains TeamCity vulnerability patched in July. JetBrains patched the security flaw (tracked as CVE-2026-63077) on July 25 in TeamCity On-Premises versions 2025.11.7 and 2026.1.3, saying it is a critical authentication bypass vulnerability that […]
Ryuk ransomware member sentenced to 24 months in prison
An Armenian man was sentenced to 24 months in prison and 3 years of supervised release for hacking U.S. companies and encrypting their systems in Ryuk ransomware attacks. 35-year-old Karen Serobovich Vardanyan (also known online as “Maneeken” or “Karl Lagerfeld”), who specialized in gaining initial access to corporate networks, pleaded guilty in July after being […]
ShinyHunters hacks Clop leak site, threatens to extort ransomware gang
The ShinyHunters extortion gang breached the Clop (aka Cl0p) ransomware operation’s data leak site, defacing the Tor site and allegedly stealing server data and the private keys for its onion service. The attack began Friday night when ShinyHunters exploited what they claim is an unauthenticated file upload vulnerability in Grav CMS, which they used to upload […]
CISA: Critical VMware RCE flaw now exploited by ransomware gangs
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned security teams that ransomware gangs have now joined ongoing attacks exploiting a critical VMware vCenter vulnerability patched in July. Broadcom addressed the security flaw (tracked as CVE-2026-59310) on July 29, describing it as a critical directory traversal vulnerability in the vCenter Syslog server that unauthenticated attackers […]
Conti ransomware gang member sentenced to 4 years in prison
A Ukrainian national has been sentenced to four years in prison for his role in Conti ransomware attacks between 2021 and 2022. 44-year-old Oleksii Oleksiyovych Lytvynenko was arrested by the Irish national police (An Garda Síochána) in July 2023 at the request of the United States and was extradited last year. Lytvynenko and his Conti […]