Between April and July 2024, Microsoft observed Iranian state-sponsored threat actor Peach Sandstorm deploying a new custom multi-stage backdoor, which we named Tickler.
Microsoft researchers found multiple vulnerabilities in OpenVPN that could lead to an attack chain allowing remote code execution and local privilege escalation. This attack chain could enable attackers to gain full control over targeted endpoints, potentially resulting in data breaches, system compromise, and unauthorized access to sensitive information.
Microsoft Security researchers have observed a vulnerability used by various ransomware operators to get full administrative access to domain-joined ESXi hypervisors and encrypt the virtual machines running on them. The vulnerability involves creating a group called “ESX Admins” in Active Directory and adding an attacker-controlled user account to this group.
On July 25, 2024, the United States Department of Justice (DOJ) indicted an individual linked to the North Korean threat actor that Microsoft tracks as Onyx Sleet. Microsoft Threat Intelligence collaborated with the Federal Bureau of Investigation (FBI) in tracking activity associated with Onyx Sleet.
Microsoft discovered and responsibly disclosed two vulnerabilities in Rockwell’s PanelView Plus that could be remotely exploited by unauthenticated attackers, allowing them to perform remote code execution (RCE) and denial-of-service (DoS). PanelView Plus devices are graphic terminals, which are known as human machine interface (HMI) and are used in the industrial space.
Microsoft recently discovered a new type of generative AI jailbreak method called Skeleton Key that could impact the implementations of some large and small language models. This new method has the potential to subvert either the built-in model safety or platform safety systems and produce any content.
Microsoft security researchers, in partnership with other security experts, continue to proactively explore and discover new types of AI model and system vulnerabilities. In this post we are providing information about AI jailbreaks, a family of vulnerabilities that can occur when the defenses implemented to protect AI from producing harmful content fails.
Since late 2023, Microsoft has observed an increase in reports of attacks focusing on internet-exposed, poorly secured operational technology (OT) devices.
Microsoft has identified a new North Korean threat actor, now tracked as Moonstone Sleet (formerly Storm-1789), that combines many tried-and-true techniques used by other North Korean threat actors, as well as unique attack methodologies to target companies for its financial and cyberespionage objectives.
In the ever-evolving landscape of cyberthreats, staying ahead of malicious actors is a constant challenge. The latest edition of Cyber Signals dives deep into the world of Storm-0539, also known as Atlas Lion, shedding light on their sophisticated methods of gift and payment card theft.
