A Retrospective Survey of 2024/2025 Open Source Supply Chain Compromises

Lack of memory safety is such a predominant cause of security issues that we have a responsibility as professional software engineering to robustly mitigate it in security-sensitive use cases—by using memory safe languages. Similarly, I have the growing impression that software supply chain...

Fake Ukrainian Police Emails Spread New CountLoader Malware Loader

A new malware loader, CountLoader, has been discovered by cybersecurity firm Silent Push. This threat is linked to prominent Russian ransomware gangs, including LockBit, BlackBasta, and Qilin, and is being used as an initial access broker...

CountLoader Broadens Russian Ransomware Operations With Multi-Version Malware Loader

Cybersecurity researchers have discovered a new malware loader codenamed CountLoader that has been put to use by Russian ransomware gangs to deliver post-exploitation tools like Cobalt Strike and AdaptixC2, and a remote access trojan known as PureHVNC RAT. "CountLoader is being used either as par...

Rapid7 Q2 2025 Incident Response Findings

Rapid7’s Q2 incident response IR data illustrates a solidification of trends first observed in Q1. There are no sweeping changes to commonly observed malware, or noticeably different software being deployed by threat actors in Q2. If you were expecting Bunny Loader to lose its impressive...

Akira Ransomware Group Utilizing SonicWall Devices for Initial Access

Latest update – September 18, 2025 On September 17, 2025, SonicWall disclosed a security breach affecting all SonicWall customers with MySonicWall.com cloud backups enabled. The firm detected suspicious activity targeting MySonicWall.com, through which threat actors were able to access backup...

Evolution of the PipeMagic backdoor: from the RansomExx incident to CVE-2025-29824

In April 2025, Microsoft patched 121 vulnerabilities in its products. According to the company, only one of them was being used in real-world attacks at the time the patch was released: CVE-2025-29824. The exploit for this vulnerability was executed by the PipeMagic malware, which we first...

SocGholish Malware Spread via Ad Tools; Delivers Access to LockBit, Evil Corp, and Others

The threat actors behind the SocGholish malware have been observed leveraging Traffic Distribution Systems TDSs like Parrot TDS and Keitaro TDS to filter and redirect unsuspecting users to sketchy content. "The core of their operation is a sophisticated Malware-as-a-Service MaaS model, where...

Inside the Ransomware Economy in 2025: Q2 Trends & Key Insights You Need to Know

Building on insights from Rapid7’s Q1 and Q2 2025 ransomware trend reports, it’s clear that the ransomware economy continues to evolve – and not just in volume, but also in business maturity. As threat actors shift tactics, tools, and partnerships, defenders face a complex landscape shaped by...

Exploit for Incorrect Default Permissions in Microsoft

This List is no longer updated. Awesome Red Teaming List of Awesome Red Team / Red Teaming Resources This list is for anyone wishing to learn about Red Teaming but do not have a starting point. Anyway, this is a living resources and will update regularly with latest Adversarial Tactics and...

Newly Emerged GLOBAL GROUP RaaS Expands Operations with AI-Driven Negotiation Tools

Cybersecurity researchers have shed light on a new ransomware-as-a-service RaaS operation called GLOBAL GROUP that has targeted a wide range of sectors in Australia, Brazil, Europe, and the United States since its emergence in early June 2025. GLOBAL GROUP was "promoted on the Ramp4u forum by the...

Gold Melody IAB Exploits Exposed ASP.NET Machine Keys for Unauthorized Access to Targets

The Initial Access Broker IAB known as Gold Melody has been attributed to a campaign that exploits leaked ASP.NET machine keys to obtain unauthorized access to organizations and peddle that access to other threat actors. The activity is being tracked by Palo Alto Networks Unit 42 under the monike...

Rapid7 Q1 2025 Incident Response Findings

Rapid7’s Q1 2025 incident response data highlights several key initial access vector IAV trends, shares salient examples of incidents investigated by the Rapid7 Incident Response IR team, and digs into threat data by industry as well as some of the more commonly seen pieces of malware appearing i...

CVE-2023-24032

In Zimbra Collaboration Suite through 9.0 and 8.8.15, an attacker who has initial user access to a Zimbra server instance can execute commands as root by passing one of JVM arguments, leading to local privilege escalation LPE...

Redefining IABs: Impacts of compartmentalization on threat tracking and modeling

Cisco Talos has observed a growing trend of attack kill chains being split into two stages -- initial compromise and subsequent exploitation -- executed by separate threat actors. This compartmentalization increases the complexity and difficulty of performing threat modeling and actor profiling...

Initial Access Brokers Target Brazil Execs via NF-e Spam and Legit RMM Trials

Cybersecurity researchers are warning of a new campaign that's targeting Portuguese-speaking users in Brazil with trial versions of commercial remote monitoring and management RMM software since January 2025. "The spam message uses the Brazilian electronic invoice system, NF-e, as a lure to entic...

Spam campaign targeting Brazil abuses Remote Monitoring and Management tools

Cisco Talos identified a spam campaign targeting Brazilian users with commercial remote monitoring and management RMM tools since at least January 2025. Talos observed the use of PDQ Connect and N-able remote access tools in this campaign. The spam message uses the Brazilian electronic invoice...

ToyMaker Uses LAGTOY to Sell Access to CACTUS Ransomware Gangs for Double Extortion

Cybersecurity researchers have detailed the activities of an initial access broker IAB dubbed ToyMaker that has been observed handing over access to double extortion ransomware gangs like CACTUS. The IAB has been assessed with medium confidence to be a financially motivated threat actor, scanning...

Introducing ToyMaker, an initial access broker working in cahoots with double extortion gangs

In 2023, Cisco Talos discovered an extensive compromise in a critical infrastructure enterprise consisting of a combination of threat actors. From initial access to double extortion, these actors slowly and steadily compromised a multitude of hosts in the network using a combination of various...

Initial Access Brokers Shift Tactics, Selling More for Less

What are IABs? Initial Access Brokers IABs specialize in gaining unauthorized entry into computer systems and networks, then selling that access to other cybercriminals. This division of labor allows IABs to concentrate on their core expertise: exploiting vulnerabilities through methods like soci...

Researchers Uncover ~200 Unique C2 Domains Linked to Raspberry Robin Access Broker

A new investigation has unearthed nearly 200 unique command-and-control C2 domains associated with a malware called Raspberry Robin. "Raspberry Robin also known as Roshtyak or Storm-0856 is a complex and evolving threat actor that provides initial access broker IAB services to numerous criminal...