Latest cybersecurity reporting from selected sources.

At least two distinct threat actors are weaponizing a novel evasion technique called OAuth client ID spoofing in cloud campaigns, while slipping past telemetry

The Miasma worm compromised 73 Microsoft GitHub repos, spreading via AI coding tools and stealing cloud credentials from developers and CI/CD systems. A self-replicating worm called Miasma has compromised 73 Microsoft GitHub repositories and forced GitHub staff to disable them. The affected repos include core Azure infrastructure like azure-functions-host and the entire Durable Task family […]

A large-scale npm supply chain attack compromised over 90 versions of @redhat-cloud-services packages, silently infecting CI/CD environments and developer systems. The malicious code steals credentials from GitHub, cloud platforms, and local machines, then spreads like a worm by republishing trusted packages. Discover how the attack works, what data is at risk, and the steps you can take to protect your organization. The post Preinstall to persistence: Inside the Red Hat npm Miasma credential-stealing campaign appeared first on Microsoft Security Blog.

The Mini Shai-Hulud campaign used malicious npm packages to target cloud and CI/CD credentials across developer environments. This report details the attack chain, detection opportunities, and mitigation guidance to help organizations identify and disrupt related activity. The post Typosquatted npm packages used to steal cloud and CI/CD secrets appeared first on Microsoft Security Blog.

Storm-2949 turned stolen credentials into a cloud-wide breach, moving from identity compromise to large-scale data theft without using malware. This incident shows how threat actors can exploit trusted systems to operate undetected. The post How Storm-2949 turned a compromised identity into a cloud-wide breach appeared first on Microsoft Security Blog.

Cybersecurity researchers have disclosed details of a stealthy Python-based backdoor framework called DEEP#DOOR that comes with capabilities to establish persistent access and harvest a wide range of sensitive information from compromised hosts

Microsoft warns that a threat actor tracked as Storm-0501 has evolved its operations, shifting away from encrypting devices with ransomware to focusing on cloud-based encryption, data theft, and extortion. [...]

Don't let it happen to you Storm-0501, a financially motivated cybercrime crew, recently broke into a large enterprise's on-premises and cloud environments, ultimately exfiltrating and destroying data within the org's Azure environment. The criminals then contacted the victim via a Microsoft Teams account that they'd also compromised in the attack, demanding a ransom payment for the stolen files.…

A proof-of-concept attack called "Cookie-Bite" uses a browser extension to steal browser session cookies from Azure Entra ID to bypass multi-factor authentication (MFA) protections and maintain access to cloud services like Microsoft 365, Outlook, and Teams. [...]

Microsoft Sees Cyberespionage Group Lifting API Keys and Credentials for CustomersA prolific cyberespionage group tied to Beijing appears to have increased its targeting of widely used IT tools and service providers. Microsoft said the group's tactics now include stealing API keys and credentials from providers to gain access to providers' downstream customers' infrastructure.

They're good at zero-day exploits, too Silk Typhoon, the Chinese government crew believed to be behind the December US Treasury intrusions, has been abusing stolen API keys and cloud credentials in ongoing attacks targeting IT companies and state and local government agencies since late 2024, according to Microsoft Threat Intelligence.…

Welcome to this week’s Cybersecurity News Recap. Discover how cyber attackers are using clever tricks like fake codes and sneaky emails to gain access to sensitive data. We cover everything from device code phishing to cloud exploits, breaking down the technical details into simple, easy-to-follow insights

Recent campaign targeted 20,000 folk across UK and Europe with this tactic, Unit 42 warns Unknown criminals went on a phishing expedition that targeted about 20,000 users across the automotive, chemical and industrial compound manufacturing sectors in Europe, and tried to steal account credentials and then hijack the victims' Microsoft Azure cloud infrastructure.…

Azure Data Factory's Apache Airflow Integration Flaw Can Expose Cloud EnvironmentsSecurity researchers say now-resolved vulnerabilities in a Microsoft Azure integration with the Apache Airflow workflow management platform showcase growing sophistication of attackers. Palo Alto Unit 42 researchers said the flaws could allow hackers to deploy malware and steal data.

Cybersecurity researchers have disclosed a new phishing campaign that has targeted European companies with an aim to harvest account credentials and take control of the victims' Microsoft Azure cloud infrastructure

Since April, attackers have increased their use of Dropbox, OneDrive, and SharePoint to steal the credentials of business users and conduct further malicious activity.

Defenders beware: Ransomware, data theft, extortion, and backdoors on Storm-0501's agenda Microsoft's latest threat intelligence blog issues a warning to all organizations about Storm-0501's recent shift in tactics, targeting, and backdooring hybrid cloud environments.…

The threat actor known as Storm-0501 has targeted government, manufacturing, transportation, and law enforcement sectors in the U.S. to stage ransomware attacks

No malware crew linked to this latest red-teaming tool yet Attackers are using Splinter, a new post-exploitation tool, to wreak havoc in victims' IT environments after initial infiltration, utilizing capabilities such as executing Windows commands, stealing files, collecting cloud service account info, and downloading additional malware onto victims' systems.…

Cybersecurity researchers are calling attention to a new QR code phishing (aka quishing) campaign that leverages Microsoft Sway infrastructure to host fake pages, once again highlighting the abuse of legitimate cloud offerings for malicious purposes