STONE-KNIGHT SECURITY

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning that attackers are exploiting vulnerabilities in the iCagenda and Balbooa Forms extensions for Joomla to achieve remote code execution through arbitrary file uploads. [...]

Added to KEV 2026-07-13. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-07-10. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-07-10. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

The researcher known as "Nightmare-Eclipse" published a proof-of-concept (PoC) exploit for the Windows Defender vulnerability in early June after dropping several other Microsoft zero-days.

A cybersecurity startup dangling millions of dollars to acquire zero-day security vulnerabilities in popular software is run by a pair of far-right conspiracy theorists and convicted felons whose most recent ventures included fake intelligence companies and a now-defunct AI-based lobbying platform they operated under…

Added to KEV 2026-07-07. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-07-07. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-07-07. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-07-07. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-07-01. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-06-29. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-06-25. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-06-25. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-06-23. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-06-23. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-06-23. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-06-23. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

The U.S. Treasury Department's Office of Foreign Assets Control (OFAC) sanctioned two individuals and one entity for enabling ransomware attacks against U.S. organizations. [...]

A threat actor poisoned several Jscrambler NPM package versions to drop a cross-platform credential stealer. The post Multiple Jscrambler Packages Impacted by Supply Chain Attack appeared first on SecurityWeek .

The U.S. Treasury Department's Office of Foreign Assets Control (OFAC) has designated two individuals and a VPN service provider for enabling ransomware actors' and other cybercriminals' malicious activities, including ransomware attacks against Americans. The VPN, named First VPN Service (1VPNS), has been accused of…

A campaign of 148 npm packages disguised as student web proxies turned visitors' browsers into a distributed denial-of-service botnet for roughly two weeks in May, according to new research from JFrog. The packages did not go after the developers who might install them. The operators used the registry as free hosting…

The Jscrambler client-side web security company disclosed that a threat actor published a malicious version of its npm package that has been downloaded almost 1,500 times. [...]

A new macOS information-stealing malware called CrashStealer pretends to be Apple's crash-reporting tool to steal credentials, keychain data, and crypto wallets. [...]

The U.S. Treasury Department announced sanctions against First VPN Service (1VPNS) and its Ukrainian administrator for aiding ransomware groups. Separately, a Belarusian man was sanctioned for malware "cryptors."

Cybersecurity researchers have flagged a new macOS information stealer called CrashStealer that's capable of harvesting sensitive data from compromised systems. Unlike other information stealers that are built on AppleScript droppers or Objective-C-based wrappers, CrashStealer is implemented in native C++, according…

A modular implant borrows from various malware families to combine both backdoor and wiper activities to maximize impact and minimize operational output.

Somewhere right now, a security tool is quietly finding bugs faster than any human can fix them. That's supposed to be the good news. The catch is that the attackers have the same tools, pointed the other way, and they don't file tickets. That's the shape of this week. Trusted code turns on the people who installed…

A new phishing-as-a-service (PhaaS) operation called Forg365 is using a combination of device code phishing, adversary-in-the-middle (AitM) tactics, antibot evasion, artificial intelligence (AI)-assisted lure creation, and post-compromise mailbox operations targeting Microsoft 365 accounts. Distributed via Telegram…

An open source, AI-driven system adopts victim personas to engage with phishing attackers, allowing organizations and law enforcement to gather relevant data on cybercriminal operations.

The move targeted people and entities accused of links to an online spying network that the EU claims targeted governments and carried out sabotage operations against critical infrastructure. The post EU Targets Russian Intelligence Officers Accused of Running a Yearslong Cyber Spying Campaign appeared first on…

The Federal Bureau of Investigation (FBI) said today it worked with industry partners to seize hundreds of domains associated with NetNut, a sprawling residential proxy service operated by the publicly-traded Israeli company Alarum Technologies [NASDAQ: ALAR]. The action comes roughly two weeks after KrebsOnSecurity…

For the past four years, a sprawling Android-based botnet called Popa has forced millions of consumer TV boxes to relay Internet traffic linked to advertising fraud, account takeovers, and mass data-scraping efforts. This week, researchers from multiple security firms concluded that the Popa botnet is linked to…

A cybercrime group known as The Gentlemen has emerged as the second most active ransomware gang by victim count, rapidly attracting a talented pool of hackers through an aggressive recruitment strategy that promises affiliates 90 percent of any ransom paid by victims. This post examines clues pointing to a real life…

Attackers whose methods line up with the data-extortion group ShinyHunters have spent the past year walking into corporate Salesforce environments without exploiting a single flaw in the platform. The way in has been the trust the organization had already extended, usually through the OAuth connections that tie…

Following the breach of several of her Telegram channels, controversial Russian journalist Ksenia Sobchak claimed published screenshots of her correspondence with political figures were fake.

The Cybersecurity and Infrastructure Security Agency (CISA) has issued a postmortem on a data leak in which a contractor published dozens of internal CISA credentials -- including AWS Govcloud keys -- in a public GitHub repository for almost six months before being notified by KrebsOnSecurity. Experts say the gaps…

German discount supermarket chain Lidl notified customers in Germany, Belgium, and the Netherlands that attackers stole their personal information in a breach at a service provider. [...]

Learn how attackers abuse Entra ID through a free hands-on Capture the Flag. Varonis created the Breach at the Beach CTF to teach defenders how to investigate Entra ID attack techniques using realistic scenarios. [...]

Lawmakers in both houses of Congress are demanding answers from the U.S. Cybersecurity & Infrastructure Security Agency (CISA) after KrebsOnSecurity reported this week that a CISA contractor intentionally published AWS GovCloud keys and a vast trove of other agency secrets on a public GitHub account. The inquiry…

Multiple state-sponsored APTs are compromising poorly secured devices across critical infrastructure sector networks. The post US, Allies Warn of Russian Cyberattacks Targeting Critical Infrastructure Routers appeared first on SecurityWeek .

Microsoft is now testing a cleaner and faster version of Windows Search that should prioritize relevant results over ads and promotional content. [...]

UK-based cybersecurity firm Valarian has raised a total of $70 million for its ACRA technology. The post Valarian Raises $50 Million for Sovereign Infrastructure Control Layer appeared first on SecurityWeek .

xAI's Grok Build coding CLI was uploading entire Git repositories, full commit history and all, to a Google Cloud Storage bucket run by xAI, not just the files a coding task needed. A researcher publishing as cereblab, testing version 0.2.93, captured one of those uploads, cloned the git bundle out of the intercepted…

A new CMMC review and reform task force will conduct a comprehensive review of the program. The post Pentagon Suspends CMMC Phase 2 as It Rethinks Contractor Cybersecurity Rules appeared first on SecurityWeek .

The retailer said the incident did not affect its online shopping platform itself but involved a separately stored customer database maintained by a third-party provider. According to notifications sent to Lidl's German, Belgian and Dutch customers on Friday, the attackers briefly accessed the file and exfiltrated…

In a first, the UK and the EU jointly impose sanctions on Russian individuals and entities for cyberattacks and disinformation campaigns in the region.

“While ultimately it is up to parents to decide when children get their first smartphones, what we already have is a consensus that there needs to be a start date for the age children can join social media,” says European Commission President Ursula van der Leyen.

Japan's largest taxi operator, Nihon Kotsu, announced that its systems were compromised in a cyberattack, forcing the company to shut down part of its infrastructure. [...]

In some companies, engineers are building defense and attack tools to test the potential of artificial intelligence for cybersecurity — and its threat.

Google and Microsoft have pulled ModHeader, a popular header-editing extension with roughly 1.6 million installs across Chrome and Edge, after researchers found a hidden browsing-history collector built into its official store version. The collector was dormant. An empty allow-list kept it switched off, and no proof…

Once a notorious blackhat hacker, McGraw shares his journey from high school hacking and prison to redemption as a cybersecurity advocate. The post Hacker Conversations: Jesse McGraw (GhostExodus), From Blackhat Hacker to Redemption appeared first on SecurityWeek .

Give an AI assistant a memory and access to your inbox, and you hand an attacker a way to rewrite what it thinks it knows about you. A single email can trick that agent into saving a false "fact" about the user, hide the change, and quietly steer its answers in later sessions. When it works, the person reads an…

UK authorities charged five people following a National Crime Agency (NCA) investigation into Russian Coms, a major caller ID spoofing platform used by criminals to make over 1.8 million scam calls. [...]

Significant cybersecurity M&A deals announced by 1Password, Accenture, Cisco, F5, Rubrik, and SailPoint. The post Cybersecurity M&A Roundup: 37 Deals Announced in June 2026 appeared first on SecurityWeek .

Unauthenticated attackers could obtain the broker's confidential OAuth client secret, allowing them to take control of the broker. The post RabbitMQ Vulnerability Threatens Enterprise Systems appeared first on SecurityWeek .

Meta has filed a patent application for an AI that listens to your voice throughout the day, works out how it thinks you are feeling from the way you sound, and keeps a timestamped log of every read. Each read gets pinned to the moment it happened: the time, your location, what you were doing, even how you were using…

A few days ago, I was sitting with the CISO of a Fortune 50 company, walking through how his security team was thinking about AI agents in the SOC. Smart team. Serious program. They had already connected Claude to a few detection tools and were seeing real value in specific investigations. But as we mapped out the…

The European Union and the United Kingdom jointly sanctioned dozens of Russian individuals and entities and accused Russia of coordinating a network of hacking groups responsible for attacks across Europe. [...]