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 …

PayPal closes loophole that let scammers send real emails with fake purchase notices

After an investigation by BleepingComputer, PayPal closed a loophole that allowed scammers to send emails from the legitimate [email protected] email address. Following reports from people who received emails claiming an automatic payment had been cancelled, BleepingComputer found that cybercriminals were Read More …

LastPass 2022 Data Breach — 1.6 Million Users Exposed By Security Failure

Any data breach affecting 1.6 million people is big news, especially when it involves one of the most prominent password managers out there: LastPass. The U.K. Information Commissioner’s Office has just fined LastPass £1.2 million ($1.6 million) for failing to Read More …

German Government Summons Russian Ambassador Over Major Cyberattack

The German government has formally summoned the Russian ambassador following the attribution of a significant cyberattack and coordinated disinformation campaign to Russian actors. This development comes amid heightened concerns regarding interference in Germany’s political processes and critical infrastructure. According to Read More …

Lazarus, Kimsuky Conduct 58 Attacks Targeting South Korea

The North Korean hacking group Lazarus, affiliated with the Reconnaissance General Bureau, is strongly suspected to be behind a 4.45 billion Korean won hacking incident at the virtual asset exchange Upbit. It has been confirmed that Lazarus carried out at 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 …

SHADOW-VOID-042 Targets Multiple Industries with Void Rabisu-like Tactics

In October and November 2025, campaigns targeting sectors such as energy, defence, pharmaceuticals, and cybersecurity shared characteristics with older campaigns attributed to Void Rabisuopen on a new tab (also known as ROMCOM, Tropical Scorpius, Storm-0978). Void Rabisu is known to Read More …

Multifunction Printer Security Concerns within the Enterprise Business Environment

Multifunction printers (MFPs) do far more than print. They scan, email, fax, store, and authenticate. That convenience comes with risk. Our latest report, Understanding Multifunction Printer (MFP) Security within the Enterprise Business Environment, from Rapid7’s Deral Heiland, Principal Security Researcher Read More …

Hunting for Mythic in network traffic

Threat actors frequently employ post-exploitation frameworks in cyberattacks to maintain control over compromised hosts and move laterally within the organization’s network. While they once favored closed-source frameworks, such as Cobalt Strike and Brute Ratel C4, open-source projects like Mythic, Sliver, Read More …

U.S. Justice Department Announces Actions to Combat Two Russian State-Sponsored Cyber Criminal Hacking Groups

The Justice Department announced two indictments in the Central District of California charging Ukrainian national Victoria Eduardovna Dubranova, 33, also known as Vika, Tory, and SovaSonya, for her role in conducting cyberattacks and computer intrusions against critical infrastructure and other Read More …