Jamf Threat Labs details CloudSyncD, a fake macOS Zoom installer that hides a phished password using invisible zero-width Unicode characters. Jamf Threat Labs found CloudSyncD while doing routine scanning on VirusTotal, buried inside a disguised Zoom client. They first spotted it on September 15, clearly still under construction, and within two days watched it move […]
Operation KillSwitch: Europol says the KillSec ransomware group, allegedly led by a 16-year-old, was dismantled after attacks on about 1,000 victims. Law enforcement seized control of KillSec ‘s dark web leak site, the Tor website the group used to threaten victims with publishing stolen files unless they paid up. That single action locked down more […]
Threat actors abused fake ChatGPT Custom GPTs and ClickFix to deliver a multi-stage RAT. ChatGPT’s Custom GPT feature is the latest legitimate surface being turned into a delivery mechanism, and Huntress researchers caught it in action across at least 40 incidents. A Custom GPT (now simply called a GPT) is essentially a version of ChatGPT […]
Keio, a major Japanese railway operator, was hit by ransomware, disrupting business systems and forcing the company to shut down its network. Keio Corporation, one of Japan’s major private railway operators, was hit by a ransomware attack over the weekend, disrupting some of its business systems. The company detected a system failure early Saturday and […]
Dutch police confirm the arrest of a 24-year-old Amsterdam man as part of an investigation into the ShinyHunters hacking group. Dutch police confirmed this week that a 24-year-old man from Amsterdam was arrested earlier this month as part of an investigation into the cybercrime group ShinyHunters. The suspect appears before Rotterdam District Court today, September […]
Microsoft details Storm-3168, the JADEPUFFER-linked actor that used stolen service principals to delete Azure storage in minutes and harvest keys. Microsoft just published the first detailed look at what JADEPUFFER does inside Azure. Sysdig first spotted the group’s activity in July 2026 and called it the first documented agentic ransomware operation. Microsoft tracks the same […]
Exploit.in data shows how a 2005 cybercrime forum helped shape today’s ransomware ecosystem, with users and practices surviving for decades. Ransomnews researcher Dancho Danchev dug up a database dump of Exploit.in covering its first three years, from February 2005 to May 2008, and the numbers inside it tell a story about Russian cybercrime that enforcement […]
Bitget says suspected North Korea-linked actors stole $351.6M from hot and warm wallets. Withdrawals were suspended while Mandiant investigates. Cryptocurrency exchange Bitget says suspected North Korea-linked threat actors stole $351.6 million from a limited number of hot and warm wallets. The company detected unauthorized transfers on September 24 and temporarily suspended withdrawals. Bitget said customer […]
Ryuk member Karen Vardanyan was sentenced to 24 months in U.S. prison after extradition from Ukraine and ordered to pay $1.2M in restitution. Karen Vardanyan, a 35-year-old Armenian citizen who went by “Maneeken” and, oddly, “Karl Lagerfeld” online, was extradited from Ukraine and sentenced to 24 months in federal prison plus three years of supervised […]
Cisco Talos finds CLOSEDQUORUM, malware that lets four commercial AI models vote on its next move, with no human operator required. Cisco Talos found malware, dubbed CLOSEDQUORUM, that holds a vote before deciding what to steal from you. Four AI models vote on its next move, without any human interaction. CLOSEDQUORUM is the first Windows […]