SantaStealer is Coming to Town: A New, Ambitious Infostealer Advertised on Underground Forums

Rapid7 Labs has identified a new malware-as-a-service information stealer being actively promoted through Telegram channels and on underground hacker forums. The stealer is advertised under the name “SantaStealer” and is planned to be released before the end of 2025. Open Read More …

Data breach at credit check giant 700Credit affects at least 5.6 million

At least 5.6 million people had their names, addresses, dates of birth, and Social Security numbers stolen in a data breach at 700Credit, a company that runs credit checks and identity verification services for auto dealerships across the United States. Read More …

NANOREMOTE, cousin of FINALDRAFT

In October 2025, Elastic Security Labs discovered a newly-observed Windows backdoor in telemetry. The fully-featured backdoor Elastic Security Lab call NANOREMOTE shares characteristics with malware described in REF7707 and is similar to the FINALDRAFT implant. One of the malware’s primary Read More …

Petco’s security lapse affected customers’ SSNs, drivers’ licenses and more

Last week, pet products and services giant Petco confirmed that it experienced a data breach involving customers’ personal information, without specifying what type of data was affected. On Friday, in a legally required filing with Texas’ attorney general’s office, Petco Read More …

Leaks show Intellexa burning zero-days to keep Predator spyware running

Intellexa is a well-known commercial spyware vendor, servicing governments and large corporations. Its main product is the Predator spyware. An investigation by several independent parties describes Intellexa as one of the most notorious mercenary spyware vendors, still operating its Predator Read More …

Sanctioned spyware maker Intellexa had direct access to government espionage victims, researchers say

Spyware maker Intellexa had remote access to some of its government customers’ surveillance systems, giving company staffers the ability to see the personal data of people whose phones had been hacked with its Predator spyware, according to new evidence published Read More …

Fintech firm Marquis alerts dozens of US banks and credit unions of a data breach after ransomware attack

Fintech company Marquis is notifying dozens of U.S. banks and credit unions that they had customer data stolen in a cyberattack earlier this year. Details of the cyberattack emerged this week after Marquis filed data breach notices with several U.S. Read More …

Tomiris wreaks Havoc: New tools and techniques of the APT group

While tracking the activities of the Tomiris threat actor, Kaspersky researchers identified new malicious operations that began in early 2025. These attacks targeted foreign ministries, intergovernmental organizations, and government entities, demonstrating a focus on high-value political and diplomatic infrastructure. In Read More …

The Golden Scale: ‘Tis the Season for Unwanted Gifts

In October 2025, we published two Insights blogs on threat activity affiliated with the cybercriminal alliance known as Scattered LAPSUS$ Hunters (SLSH). After a few weeks of apparent inactivity, the threat actors have returned with a vengeance based on open-source Read More …