Latest cybersecurity reporting from selected sources.

AsyncAPI npm packages with 2M weekly downloads were compromised, spreading malware with info-stealing, crypto-theft and RAT capabilities. OX Security researchers disclosed on July 14 that the AsyncAPI npm organization was compromised, with malicious code injected into four packages that together account for over 2 million weekly downloads. The affected versions are @asyncapi/generator 3.3.1, @asyncapi/generator-components 0.7.1, […]

Six vulnerabilities in the widely used U-Boot bootloader have been discovered that could allow attackers to execute malicious code during device boot, potentially enabling stealthy firmware attacks that compromise security protections and install persistent malware. [...]

Microsoft uncovered GigaWiper, a modular Go backdoor combining three malware families with espionage, remote control, and destructive wiping features. In October 2025, Microsoft’s threat intelligence team identified destructive wiping activity inside compromised environments and traced it to a previously unknown piece of malware they’re now calling GigaWiper. The malicious code is written in Go, it […]

Polymarket confirmed hackers stole funds from some users after attackers injected malicious code through a compromised third-party vendor. Polymarket confirmed that a security breach at a third-party vendor allowed attackers to inject malicious code into its website, leading to the theft of funds from an undisclosed number of users. The company said it has contained […]

Attackers Compromised More Than 70 Microsoft Repositories in Under 2 MinutesAttackers linked to the Miasma supply-chain campaign compromised a Microsoft contributor account and pushed malicious code into more than 70 repositories, using artificial intelligence-assisted coding tools as an infection path to steal credentials and developer secrets at scale.

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.

Microsoft on Tuesday said it disrupted a malware-signing-as-a-service (MSaaS) operation that weaponized the company's Artifact Signing system to deliver malicious code and conduct ransomware and other attacks, compromising thousands of machines and networks across the world

In yet another software supply chain attack, threat actors have compromised the popular GitHub Actions workflow, actions-cool/issues-helper, to run malicious code that harvests sensitive credentials and exfiltrates them to an attacker-controlled server

Bitwarden CLI, the command-line interface for the password manager Bitwarden, has reportedly been compromised as part of a newly discovered and ongoing Checkmarx supply chain campaign, according to findings from JFrog and Socket

More than 30 WordPress plugins in the EssentialPlugin package have been compromised with malicious code that allows unauthorized access to websites running them. [...]

In December 2024, the popular Ultralytics AI library was compromised, installing malicious code that hijacked system resources for cryptocurrency mining. In August 2025, malicious Nx packages leaked 2,349 GitHub, cloud, and AI credentials. Throughout 2024, ChatGPT vulnerabilities allowed unauthorized extraction of user data from AI memory

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a critical flaw impacting ASUS Live Update to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation

An advanced persistent threat (APT) group from China has been attributed to the compromise of a Philippines-based military company using a previously undocumented fileless malware framework called EggStreme

Google has announced the launch of a new initiative called OSS Rebuild to bolster the security of the open-source package ecosystems and prevent software supply chain attacks

A significant supply chain attack hit NPM after 15 popular Gluestack packages with over 950,000 weekly downloads were compromised to include malicious code that acts as a remote access trojan (RAT). [...]

Cybersecurity researchers have discovered a malicious package named "os-info-checker-es6" that disguises itself as an operating system information utility to stealthily drop a next-stage payload onto compromised systems

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added a vulnerability linked to the supply chain compromise of the GitHub Action, tj-actions/changed-files, to its Known Exploited Vulnerabilities (KEV) catalog

Cybersecurity researchers have disclosed details of a new supply chain attack vector dubbed Rules File Backdoor that affects artificial intelligence (AI)-powered code editors like GitHub Copilot and Cursor, causing them to inject malicious code

Over 23,000 Code Repositories at Risk After Malicious Code Added to GitHub ActionAttackers subverted a widely used tool for software development environment GitHub, potentially allowing them to steal secrets from thousands of private code repositories as well as compromise other, widely used "open source libraries, binaries and artifacts" that use the tool, experts warned.

News has been making headlines over the weekend of the extensive attack campaign targeting browser extensions and injecting them with malicious code to steal user credentials. Currently, over 25 extensions, with an install base of over two million users, have been found to be compromised, and customers are now working to figure out their exposure (LayerX, one of the companies involved in