European police said raids against the KillSec ransomware-as-a-service operation included the arrest of a high-profile teen suspect.
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. [...]
Police took control of KillSec’s leak site and secured at least 110 terabytes of data stolen from victims. The post Police Shut Down KillSec Ransomware, Identify Alleged Teen Leader appeared first on SecurityWeek.
A year-old Chinese threat actor looks like a cybercrime gang, acts like a state-associated APT, and attacks organizations in unexpected places.
Higher education faces a difficult security equation. Universities hold large volumes of sensitive student, financial, health, and research data while supporting open networks, distributed users, legacy infrastructure, and increasingly complex cloud environments. Attackers have taken notice, and the pressure on security teams continues to grow.In Q2 2025, universities faced an average of 4,388 cyberattacks per organization per week, up 24% from the same period in 2024. Nine in ten universities …
As aviation infrastructure suffers more cyberattacks, air traffic systems are the latest target, with a ransomware toolkit installed on at least one operational network.
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 […]
A spokesperson for the court system told Recorded Future News that the incident did not involve ransomware and the hackers have not issued ransom demands for the stolen data as of Monday.
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. [...]
The JadePuffer ransomware operator is targeting Azure tenants with agent-driven attacks that conduct reconnaissance, steal credentials, and destroy core components. [...]
Authorities in the Netherlands have arrested a 23-year-old convicted cybercriminal on suspicion of aiding in data thefts and extortions by the prolific hacker group ShinyHunters. In the days immediately following the suspect's arrest, remaining ShinyHunters members dramatically escalated their attacks, stealing highly sensitive data from the FBI and extorting the Russian ransomware group Cl0p.
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 […]
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Threat Intel | One Kit, Forty Companies: How a Malware-as-a-Service Platform Used GitHub as a Distribution Network for its Campaign Group Policy hijacked: PAYLOAD ransomware weaponizes Active Directory GPO ChainScript: Tracing a Node.js RAT […]
A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including international press. OpenAI Agents Accessed US Government Websites Without Authorization Exploit.in Database Reveals the Roots of Today’s Ransomware Ecosystem […]
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 […]
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 BleepingComputer has learned is an unauthenticated path traversal vulnerability. [...]
Storm-2570 is a ransomware affiliate that uses consistent post-compromise tools and techniques across deployments involving Qilin, DragonForce, Anubis, and BERT ransomware, and provides guidance to help defenders detect and disrupt this activity before ransomware deployment. The post Beyond the ransomware: Tracking Storm-2570’s consistent tradecraft across deployments appeared first on Microsoft Security Blog.
This installment of the Reporters' Notebook video series discusses the impact of AI agents breaching Hugging Face, Fairlife's ransomware attack, and Iranian-linked threat actors compromising a dozen US water systems. It was a busy summer.
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. [...]
Karen Vardanyan has also been ordered to pay over $1.2 million in restitution to victims. The post US Court Sentences Armenian Man to Prison for Ryuk Ransomware Attacks appeared first on SecurityWeek.
An Armenian national and member of the Ryuk ransomware gang was sentenced to two years in federal prison for his role in launching attacks.
An Armenian national and member of the Ryuk ransomware gang was sentenced to two years in federal prison for his role in launching attacks.
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. [...]
The ShinyHunters extortion group hijacked the dark web leak site of the prolific Cl0p ransomware gang, according to material posted on the site over the weekend.
Huntress analysts reconstructed a three-week INC ransomware attack from endpoint data, uncovering a 17-day lull despite missing process telemetry.
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. [...]
Noteworthy stories that might have slipped under the radar: Mandiant's 2026 AI risk report, PhantomRaven malware used by bug bounty hunter, WordPress plugin bug exploited. The post In Other News: Ransomware Developer Sentenced, Plugin4Shell AI Attack, Critical SAP Flaw appeared first on SecurityWeek.
Huntress has recently seen two incidents involving Settra, a ransomware variant that was first publicly reported in June 2026.
Research shows attacks on manufacturers rose 40% in early 2026, as ransomware groups increasingly exploit the supply-chain disruption caused by operational shutdowns. The post Ransomware Attacks on Manufacturers Surge as Supply Chain Risk Grows appeared first on SecurityWeek.
Ransomware incidents in Japan rose 4.7% year over year. The Gentlemen was the most active group, with leak-site listings more than doubling from January to July. Qilin ranked second and appeared to use AI, while SMEs with capital under JPY 1 billion represented 80% of victims.
