Check Point Research

By Aviv Donenfeld and Oded Vanunu Executive Summary Check Point Research has discovered critical vulnerabilities in Anthropic’s Claude Code that allow attackers to achieve remote code execution and steal API credentials through malicious project configurations. The vulnerabilities exploit various configuration mechanisms including Hooks, Model Context Protocol (MCP) servers, and environment variables -executing arbitrary shell commands […]

The post Caught in the Hook: RCE and API Token Exfiltration Through Claude Code Project Files | CVE-2025-59536 | CVE-2026-21852<other cve="" id="" tbd=""></other> appeared first on Check Point Research.

Introduction Check Point Research (CPR) continuously tracks threats, following the clues that lead to major players and incidents in the threat landscape. Whether it’s high-end financially-motivated campaigns or state-sponsored activity, our focus is to figure out what the threat is, report our findings to the relevant parties, and make sure Check Point customers stay protected. […]

The post 2025: The Untold Stories of Check Point Research appeared first on Check Point Research.

For the latest discoveries in cyber research for the week of 23rd February, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES France’s Ministry of Economy has disclosed a data breach resulted from an unauthorized access to the national bank account registry FICOBA, impacting information tied to 1.2 million accounts. Exposed data includes names, […]

The post 23rd February – Threat Intelligence Report appeared first on Check Point Research.

Key Points Introduction AI is rapidly becoming embedded in day-to-day enterprise workflows, inside browsers, collaboration suites, and developer tooling. As a result, AI service domains increasingly blend into normal corporate traffic, often allowed by default and rarely treated as sensitive egress. Threat actors are already capitalizing on this shift. Across the malware ecosystem, AI is […]

The post AI in the Middle: Turning Web-Based AI Services into C2 Proxies & The Future Of AI Driven Attacks appeared first on Check Point Research.

For the latest discoveries in cyber research for the week of 16th February, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES Dutch telecom provider Odido was hit by a data breach following unauthorized access to its customer management system. Attackers extracted personal data of 6.2 million customers, including names, addresses, phone numbers, email […]

The post 16th February – Threat Intelligence Report appeared first on Check Point Research.

For the latest discoveries in cyber research for the week of 9th February, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES Romania’s national oil pipeline operator, Conpet, has suffered a cyberattack that disrupted its IT systems and took its website offline. The company said operational technology, including pipeline control and telecommunications systems, remained […]

The post 9th February – Threat Intelligence Report appeared first on Check Point Research.

Key Points Introduction Check Point Research has identified several campaigns targeting multiple countries in the Southeast Asian region. These related activities have been collectively categorized under the codename “Amaranth-Dragon”. The campaigns demonstrate a clear focus on government entities across the region, suggesting a motivated threat actor with a strong interest in geopolitical intelligence. The campaigns […]

The post Amaranth-Dragon: Weaponizing CVE-2025-8088 for Targeted Espionage in the Southeast Asia appeared first on Check Point Research.

For the latest discoveries in cyber research for the week of 2nd February, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES MicroWorld Technologies, maker of eScan antivirus, has suffered a supply-chain compromise. Malicious updates were pushed via the legitimate eScan updater, delivering multi-stage malware that establishes persistence, enables remote access, and blocks automatic […]

The post 2nd February – Threat Intelligence Report appeared first on Check Point Research.

​

The post Cyber Security Report 2026 appeared first on Check Point Research.

For the latest discoveries in cyber research for the week of 26th January, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES RansomHub ransomware group has claimed responsibility for a cyber-attack on Luxshare, an electronics manufacturer of Apple, Nvidia, LG, Tesla, and others. The threat actors claimed access to 3D CAD models, circuit board […]

The post 26th January – Threat Intelligence Report appeared first on Check Point Research.

Key Findings: Introduction Check Point Research (CPR) identified an ongoing phishing campaign that we associate with KONNI, a North Korean–linked threat actor active since at least 2014. KONNI is best known for targeting organizations and individuals in South Korea, with a focus on diplomatic channels, international relations, NGOs, academia, and government. The group typically relies […]

The post KONNI Adopts AI to Generate PowerShell Backdoors appeared first on Check Point Research.

Key Points Introduction When we first encountered VoidLink, we were struck by its level of maturity, high functionality, efficient architecture, and flexible, dynamic operating model. Employing technologies like eBPF and LKM rootkits and dedicated modules for cloud enumeration and post-exploitation in container environments, this unusual piece of malware seemed to be a larger development effort […]

The post VoidLink: Evidence That the Era of Advanced AI-Generated Malware Has Begun appeared first on Check Point Research.

For the latest discoveries in cyber research for the week of 19th January, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES Spanish energy company Endesa has disclosed a data breach after unauthorized access to a commercial platform used to manage customer information. Media report attackers listed over 1 terabyte of data, including IBANs, […]

The post 19th January – Threat Intelligence Report appeared first on Check Point Research.

Key findings Introduction In December 2025, a previously unknown Ransomware-as-a-Service (RaaS) operation calling itself Sicarii began advertising its services across multiple underground platforms. The group’s name references the Sicarii, a 1st-century Jewish assassins group that opposed Roman rule in Judea. From its initial appearance, the Sicarii ransomware group distinguished itself through unusually explicit and persistent use of Israeli […]

The post Sicarii Ransomware: Truth vs Myth appeared first on Check Point Research.

Key takeaways VoidLink – a Cloud-First Malware Framework In December 2025, Check Point Research identified a small cluster of previously unseen Linux malware samples that appear to originate from a Chinese-affiliated development environment. Many of the binaries included debug symbols and other development artifacts, suggesting we were looking at in-progress builds rather than a finished, […]

The post Unveiling VoidLink – A Stealthy, Cloud-Native Linux Malware Framework appeared first on Check Point Research.

For the latest discoveries in cyber research for the week of 12th January, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES Manage My Health, New Zealand’s largest patient portal, has acknowledged a cyberattack occurred on December 2025, that potentially exposed data of nearly 110K users. An alleged attacker, dubbed Kazu, claimed responsibility and […]

The post 12th January – Threat Intelligence Report appeared first on Check Point Research.

Key takeaways Introduction GoBruteforcer is a botnet that turns compromised Linux servers into scanning and password brute-force nodes. It targets internet-exposed services such as phpMyAdmin web panels, MySQL and PostgreSQL databases, and FTP servers. Infected hosts are incorporated into the botnet and accept remote operator commands.  Newly discovered weak credentials are used to steal data, […]

The post Inside GoBruteforcer: AI-Generated Server Defaults, Weak Passwords, and Crypto-Focused Campaigns appeared first on Check Point Research.

For the latest discoveries in cyber research for the week of 5th January, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES Two US banks, Artisans’ Bank and VeraBank, disclosed that customer data was exposed in an August ransomware attack on their vendor, Marquis Software. The vendor was breached via SonicWall vulnerability, and while […]

The post 5th January – Threat Intelligence Report appeared first on Check Point Research.

For the latest discoveries in cyber research for the week of 29th December, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES Romanian Waters, the country’s national water management authority, was hit by a ransomware attack that resulted in nearly 1,000 computer systems across national and regional offices being encrypted. The attack affected geographic […]

The post 29th December – Threat Intelligence Report appeared first on Check Point Research.

For the latest discoveries in cyber research for the week of 22nd December, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES An adult content platform PornHub has disclosed a data breach linked to analytics provider Mixpanel. The breach exposed more than 200 million records related to Premium users, including email addresses, search, watch, […]

The post 22nd December – Threat Intelligence Report appeared first on Check Point Research.