STONE-KNIGHT SECURITY

Microsoft has shared a temporary fix for ongoing gaming issues caused by Windows 11 updates released during the August 2026 Patch Tuesday. [...]

Microsoft has patched multiple maximum-severity vulnerabilities in Entra ID, Azure Arc, and Exchange Online that allowed attackers to gain remote code execution and escalate privileges. [...]

A newly disclosed security flaw in GitLab has come under active exploitation within days of public disclosure, according to watchTowr. The vulnerability in question is CVE-2026-19478 (CVSS score: 9.4), a case of code injection that allows an unauthenticated attacker to modify or delete publicly accessible GitLab…

Added to KEV 2026-08-21. 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…

A lot of this week’s trouble starts with something trusted doing exactly what it was allowed to do. Signed drivers get turned against defenses. Legitimate apps help malware blend in. A weak header check opens a path to code execution. Elsewhere, exposed systems, old bugs, odd hiding tricks, and AI-assisted exploit…

Added to KEV 2026-08-20. 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 2026-08-20. 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 2026-08-19. 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 2026-08-18. 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 2026-08-18. 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 2026-08-18. 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 2026-08-18. 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 2026-08-17. 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 2026-08-11. 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 2026-08-11. 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 2026-08-11. 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 2026-08-07. 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 2026-08-05. 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 private equity firm appears to have been targeted as part of a campaign focusing on major financial companies. The post Personal Information Exposed in Apollo Global Data Breach appeared first on SecurityWeek .

Cybersecurity researchers have disclosed details of a Chinese-speaking cybercrime group dubbed UAT-10147 that's targeting Windows and Linux web servers globally across the education, media, technology, and gaming sectors. The vast majority of the targets are located in Brazil, Bolivia, China, Canada, and Vietnam.…

The ToxicPanda Android malware has evolved with new malicious functionality, expanding its targeting to 349 applications and adding support for 167 remote commands. [...]

A supply-chain attack targeting Android-based car head units is using a legitimate device-update app to spread malware that enlists compromised devices in a proxy botnet or uses them for ad fraud. [...]

The spyware-equipped Manic, a persistent Grandoreiro campaign in Latin America and Europe, and an expanded ToxicPanda 2.0 malware. The post Banking Trojans Manic, Grandoreiro, ToxicPanda 2.0 in the Spotlight appeared first on SecurityWeek .

Cybersecurity researchers have discovered a set of trojanized npm packages that masquerade as working calendar and streak utilities but are engineered to stealthily deliver an artificial intelligence (AI)-powered Linux implant dubbed RedC2 4.0. "When the module loads, it locates the bundled binary, marks it…

A previously unknown malware family dubbed SynkLoader is being distributed in Microsoft Teams phishing campaigns to steal credentials via a fake lock screen. [...]

Cybersecurity researchers have flagged a new malware family that's specifically designed to infect Android-based vehicle head unit firmware developed by DoFun. Kaspersky, which discovered the threat in June 2026, said the end goal of the malware is to serve a multi-stage downloader to enable ad fraud and creation of…

Other noteworthy stories that might have slipped under the radar: Threema DDoS attack, Evooo1Bot Linux botnet, Crypto4A secures top-tier NIST certification. The post In Other News: Zombie Card Attack, T-Mobile Cut Cable to Stop Hackers, GitHub Denies AI Caused Bug appeared first on SecurityWeek .

The Hospital for Sick Children — which was hit in a ransomware incident in 2022 that disabled some of its systems — released a statement on Thursday warning of a data theft incident they believe is tied to a third-party software application.

The Rust Project has deleted malicious versions of three widely used Rust crates from crates.io after a compromised maintainer account published releases that added a typosquatted dependency whose build script downloaded and executed a remote payload during compilation. The affected releases are arrayref 0.3.10,…

Suspected military-grade hackers based in China used artificial intelligence to develop malware in a campaign to penetrate Central Asian governments.

The banking Trojan, post-law enforcement takedown, is sprucing itself up with features that make detection and analysis harder.

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…

As AI dramatically shortens the time from vulnerability disclosure to exploitation, enterprises must look beyond patching to reduce application risk. The post Rethinking Application Security for the AI Era appeared first on SecurityWeek .

The bank said there is no evidence that its own systems, networks or data repositories were compromised.

More than 9,300 Amazon Web Services (AWS) access keys publicly exposed between August 2022 and August 2026 are still active and valid. [...]

Check Point Research has disclosed a technique that uses Microsoft Defender's own legitimately signed boot-time remediation driver to perform arbitrary kernel-level file and registry operations on Windows systems ranging from Windows 7 through Windows 11 25H2, with no software flaw exploited and no driver imported…

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…

Three distinct suspected Russian cyber espionage threat clusters have been observed leveraging legitimate authentication flows to single out individuals working in academia, aerospace and defense, governments, and think tanks across Europe, as well as academia and think tanks within the U.S. These clusters include…

A nation-state threat actor is picking on immature organizations run by the Taliban, but failing against more prepared government agencies in India.

Juan Manuel Gouveia-Aguilera has been sentenced to 8 years in prison for his role in an ATM jackpotting scheme that caused millions in losses. The post Venezuelan Gets Record Federal Prison Term for ATM Jackpotting appeared first on SecurityWeek .

The Cybersecurity and Infrastructure Security Agency (CISA) has ordered U.S. government agencies to patch an actively exploited vulnerability in Zimbra Collaboration Suite (ZCS) within three days. [...]

The attack caused real-world operational disruption and raised concerns about the resilience of Britain’s distributed energy infrastructure and the potential for repeatable attacks. The post Iran-Linked Hackers Shut Down UK Power Plant for Four Days appeared first on SecurityWeek .

TikTok will pay $300 million immediately and another $100 million after an order vacates an earlier consent decree against its predecessor company, Musical.ly. The post TikTok Reaches $400 Million Settlement With US Justice Department Over Children’s Privacy appeared first on SecurityWeek .

Claude Security, currently in public beta for Claude Enterprise customers, now runs codebase scans on Mythos 5. The post Anthropic Expands Mythos 5 Access to More Defenders, Unveils $35M Open Source Fund appeared first on SecurityWeek .

The U.S. Department of Justice (DoJ) announced on Friday that ByteDance-owned TikTok will pay $400 million to settle a 2024 lawsuit accusing the company of violating child privacy laws in the country. As part of the settlement, the social media platform will pay $300 million immediately, and an additional $100…

Windows named pipes provide fast interprocess communication, but weak access controls can expose privileged services to untrusted processes. ThreatLocker explains how endpoint verification, command authorization, strict input validation, and narrowly scoped privileges can help secure named-pipe communication. [...]

New research shows how attacks against some unprotected TSN protocols could allow attackers to disrupt or manipulate physical processes

Lawmakers say little is known about how recent cuts have impacted CISA and how the knowledge that was lost has been replaced.

The Open Worldwide Application Security Project has a brand-new top 10 security list tailored for the modern era, and it debuts a Universal Skill Format to add consistency and security to the AI add-ons.

The newly-formed Nakasone Group will counsel government leaders, corporations, prominent families, and other private clients confronting cybersecurity, geopolitical, and personal security risks. The post Former NSA Director Paul Nakasone Launches National Security Advisory Firm appeared first on SecurityWeek .

Microsoft says ongoing issues causing games to crash or fail to launch after installing the August 2026 Windows updates may be caused by peripherals with RGB lighting. [...]

Researchers say the new ‘Cryptographic Context Injection’ technique conceals malicious instructions until they are decrypted inside a trusted execution environment. The post Encrypted Prompts Bypass AI Safety Guardrails in Grok and Gemini appeared first on SecurityWeek .

Using the same email, phone number, payment method, and other identifiers makes it easier for data brokers and attackers to profile your activity. Anonyome Labs explains how separate digital personas can reduce correlation and limit the impact of breaches, spam, and identity theft. [...]

Government agencies with smaller budgets need support — and here's how you can help.

The statement came a day after a hacking group calling itself Black Spark claimed it had spent more than a month inside Microolap’s network and gained access to its internal systems, including EtherSensor, the company's network traffic analysis platform.

Microsoft has started rolling out a Classic Outlook theme for users of Outlook on the web and the New Outlook for Windows. [...]

The new AI security controls follow the Hugging Face incident last month, though many of these additions perhaps should have been in place prior to the frontier models escaping.