Analyzing Concentration, Temporal Routines and Targeting in Public Ransomware Leak Site Data

Ransomware has grown to become one of the most damaging types of cybercrime, affecting private and public organizations in any sector. While early types of ransomware targeted many victims via automated attacks, ransomware groups have started to specifically target organizations and companies in...

2025 Ransomware: Business as Usual, Business is Booming

Getting an edge on your adversaries involves understanding their behaviors and their mindset. Rapid7 Labs took a look at internal and publicly-available ransomware data for Q1 2025 and added our own insights to provide a picture of the year thus far—and what you can do now to reduce your attack...

FBI, Europol, and NCA Take Down 8Base Ransomware Data Leak and Negotiation Sites

--- Source: The Nation A coordinated law enforcement operation has taken down the dark web data leak and negotiation sites associated with the 8Base ransomware gang. Visitors to the data leak site are now greeted with a seizure banner that says: "This hidden site and the criminal content have bee...

The State of Ransomware

Palo Alto Networks published its semi-annual report on ransomware. From the Executive Summary: Unit 42 monitors ransomware and extortion leak sites closely to keep tabs on threat activity. We reviewed compromise announcements from 53 dedicated leak sites in the first half of 2024 and found 1,762...

FBI Warns U.S. Healthcare Sector of Targeted BlackCat Ransomware Attacks

The U.S. government is warning about the resurgence of BlackCat aka ALPHV ransomware attacks targeting the healthcare sector as recently as this month. "Since mid-December 2023, of the nearly 70 leaked victims, the healthcare sector has been the most commonly victimized," the government said in a...

CISA Warning: Akira Ransomware Exploiting Cisco ASA/FTD Vulnerability

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Thursday added a now-patched security flaw impacting Cisco Adaptive Security Appliance ASA and Firepower Threat Defense FTD software to its Known Exploited Vulnerabilities KEV catalog, following reports that it's being likely...

US Marshals Service hit by ransomware and data breach

The US Marshals Service USMS says it's suffered a ransomware attack in which a threat actor managed to get hold of sensitive information about staff and fugitives. On February 17, 2023, the attacker infiltrated a system that held information about ongoing investigations, including personally...

Multiple ransomware data leak sites experience DDoS attacks, facing intermittent outages and connectivity issues

By Azim Khodjibaev, Colin Grady, Paul Eubanks. Since Aug. 20, 2022, Cisco Talos has been monitoring suspected distributed denial-of-service DDoS attacks resulting in intermittent downtime and outages affecting several ransomware-as-a-service RaaS data leak sites. While the source and origin of th...

Ransomware review: July 2022

Malwarebytes Threat Intelligence builds a monthly picture of ransomware activity by monitoring the information published by ransomware gangs on their Dark Web leak sites. This information represents victims who were successfully attacked but opted not to pay a ransom. In July, LockBit maintained...

A Trip to the Dark Site — Leak Sites Analyzed

Gone are the days when ransomware operators were happy with encrypting files on-site and more or less discretely charged their victims money for a decryption key. What we commonly find now is encryption with the additional threat of leaking stolen data, generally called Double-Extortion or, as we...