Threats
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Threats
Hackers associated with the Russian threat group Sandworm have been targeting system administrators and IT professionals through fake job offers since at least May. [...]
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Microsoft released its monthly security updates on Tuesday, and one of the flaws it closed is already being used in attacks. The bug sits in a core Windows kernel driver that handles network socket operations. An attacker with code already running on a machine can use it to escalate to SYSTEM. That patch goes out first. The flaw is tracked as…
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Cisco is warning that a high-severity denial-of-service vulnerability in Secure Firewall ASA and Threat Defense (FTD) software is being actively exploited in attacks to remotely crash affected devices. [...]
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Cybersecurity researchers have discovered a new version of the Kimwolf/AISURU Android and Internet of Things (IoT) botnet that comes with significant improvements to improve its operational resilience and conduct distributed denial-of-service (DDoS) attacks. The new version, tracked as Kimwolf v7, was discovered by Palo Alto Networks Unit 42 in February…
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Anyone sharing their screen on a Zoom call could have taken over the computers of everyone watching, and anyone watching could have taken over the presenter's. The flaw sat in the annotation tool, the feature that lets participants draw and type on a shared screen, and it asked nothing of the victim beyond being in the meeting. No click, no download, no…
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The Computer Emergency Response Team of Ukraine (CERT-UA) has disclosed details of a new social engineering campaign orchestrated by Russian nation-state threat actors targeting IT workers in the country by masquerading as recruiters to trick them into installing malware. CERT-UA pinned the activity on a threat cluster it tracks as UAC-0145, which is a…
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Delta Air Lines is investigating an unauthorized Wi-Fi network that appeared aboard a flight from Las Vegas to Atlanta carrying passengers who had attended the DEF CON hacker convention. [...]
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Microsoft has released Windows 10 KB5120249 Extended Security Updates for versions 22H2 and 21H2 to fix security vulnerabilities and bugs. [...]
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Today is Microsoft's August 2026 Patch Tuesday, and with it comes security updates for a massive 400 flaws, including one actively exploited and two publicly disclosed zero-day vulnerabilities. [...]
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This month we got patches for 418 vulnerabilities. Of these, 62 are critical, 1 is being exploited in the wild, and 2 were publicly disclosed as zero-days. Notable fixes include Windows privilege escalation, container tampering, and critical QUIC and DNS Server remote code execution bugs. 
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Microsoft has released Windows 11 KB5121003 and KB5120240 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. [...]
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Security researchers found a way to enter Microsoft SharePoint servers as any user, including an administrator, with no valid account. A significant part of the work that found it was done through an AI agent. The flaw, tracked as CVE-2026-55040 (CVSS 9.1), affects SharePoint Server Subscription Edition, SharePoint Server 2019, and SharePoint Server 2016…
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The ransomware group known as DeadLock has been observed using decentralized infrastructure to facilitate victim communications and data leak operations in a bid to improve operational resilience. "Its recovery ecosystem combines the Session messaging network with blockchain-backed services that store and deliver resources used throughout the extortion…
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Global supply chain and distribution giant Wesco has confirmed in a statement for BleepingComputer that it is investigating a cybersecurity incident. [...]
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Mozilla announced today that it updated the GPG key used to sign Firefox and Thunderbird releases after it was accidentally exposed on GitHub. [...]
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AI agents can improvise beyond the intended scope of a task when they are given broad access to enterprise systems and data. Token Security explains why organizations need to define agent intent and continuously enforce permissions around what each agent was actually created to do. [...]
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OpenAI on Monday unveiled a new cybersecurity-focused model called GPT‑5.6‑Cyber that it said is focused on vulnerability research, penetration testing, and incident response. "Built on GPT‑5.6 Sol, it is trained to improve capabilities on several specialized cybersecurity tasks (e.g., finding zero-day vulnerabilities and developing exploit chains) and to…
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Cloudflare says it mitigated more than 800 network-layer distributed denial-of-service (DDoS) attacks exceeding 1 Tbps in the second quarter of the year. [...]
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CISA confirmed today that ransomware gangs have begun abusing a high-severity Microsoft SharePoint remote code execution vulnerability, which has been flagged as actively exploited since early July. [...]
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A malicious SIM card can order the device it sits in to run commands of the attacker's choosing. On the cellular modules built into electric-vehicle chargers, industrial routers, and car telematics units, that is enough to take the whole device over. Researchers at the University of Birmingham and the security firm Fuzzware tested 26 phones and cellular…
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Mozilla has scrapped the cryptographic key behind Firefox and Thunderbird downloads for Linux after an unencrypted copy of it was committed by mistake to one of the company's own private code repositories. That key is how a user, or a Linux distribution packaging the browser, confirms a downloaded Firefox tarball came from Mozilla and was not tampered…
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Successful exploitation of these vulnerabilities could allow an attacker with network access to achieve remote code execution. The following versions of Johnson Controls C-CURE 9000 and Victor application server (Update A) are affected: C-CURE 9000
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Successful exploitation of these vulnerabilities could allow an attacker to access unauthorized health profile information, make changes to health information, cause a denial-of-service condition, disclose session token information, and obtain control of user accounts. The following versions of Mira Hormone Monitor, Mira Android App are affected: Mira…
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Successful exploitation of this vulnerability could allow an attacker to use hidden commands to disable electrical safety mechanisms or modify other stimulation output settings. The following versions of Pulsetto Vagus Nerve Stimulator are affected: Pulsetto Vagus Nerve Stimulator vers:all/* (CVE-2026-18844) CVSS Vendor Equipment Vulnerabilities v3 8.1…
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CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-20349 Cisco Secure Firewall Adaptive Security Appliance (ASA) and Firewall Threat Defense (FTD) Heap Inspection Vulnerability CVE-2026-68820 Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free…
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Security researchers invented a cryptocurrency startup, advertised developer jobs, and hired three people they believe were North Korean operatives. Every virtual machine the company issued was recording. The onboarding paperwork is the part hiring teams can use. The first hire claimed to live in Pasadena, Texas, then sent a California driver's license and…
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Cisco warned of two high-severity vulnerabilities affecting the Secure Endpoint Connector that allow threat actors to crash the ClamAV scanning process in denial-of-service (DoS) attacks. [...]
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Windows Plug and Play can be abused to fetch signed vendor software for an emulated USB device and execute privileged installation components that researchers chained to SYSTEM access on a fully updated Windows 11 machine. The same PnP path can be triggered over Remote Desktop without physical hardware when supported Plug and Play or low-level USB…
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A malicious tool server connected to an AI coding assistant can quietly walk off with SSH keys, environment secrets, source code, and customer data without ever sending one obviously harmful instruction. The trick can work even after a blunt version of the same theft is refused: split the request into fragments that each look routine, place them in…
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U.S. federal agencies and South Korea's National Policy Agency warned government and critical infrastructure organizations worldwide to secure their systems against Gunra ransomware attacks. [...]
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Cybersecurity and intelligence agencies from South Korea and the U.S. warned of Gunra ransomware attacks targeting critical infrastructure sectors and organizations across the world. Targets of these attacks include healthcare and public health, financial services, government services and facilities, and professional and nonprofit services. "Gunra is…
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Attackers shut down a steam turbine and the process-water treatment system at a Polish combined heat and power plant by coming in over the private cellular network the local grid operator uses to reach remote equipment. The plant supplies heat to roughly 50,000 residents. Recovery began at about 7:30 a.m. while the intruders were still active inside the…
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Cybersecurity researchers have warned of a supply chain compromise impacting WordPress plugin vendor BdThemes, prompting the content management systems (CMS) platform's plugins team to temporarily disable their downloads. "Unlike traditional software supply chain attacks, zero source code files were modified within the official WordPress.org repository,"…
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(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
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AI is helping development teams produce far more code, far faster. But security teams still have to review vulnerabilities, manage dependencies, prioritize fixes, and control risk at human speed. When software output jumps 10 to 50 times, the problem is no longer just finding vulnerabilities. It is keeping security from becoming the bottleneck, or worse…
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Microsoft has disclosed that Storm-1175, a financially motivated threat actor linked to China, has deployed a previously undocumented ransomware strain called StormEncryptor. The use of StormEncryptor marks a shift from the adversary's previous use of Medusa ransomware, the Microsoft Threat Intelligence Team said. "StormEncryptor is written in C++ and…
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Solana is a crypto platform known for speed. Developers like it to develop distributed applications or to implement crypto payments. To interact with the blockchain, APIs are provided for developers. These APIs will either "speak" JSON or gRPC. One implementation often used for development is "surfpool," which is used to test programs before deploying them…
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Microsoft is named a Leader in the 2026 IDC MarketScape for MDR services. Discover how Microsoft Defender Experts MDR combines AI, threat intelligence, and human expertise. The post Microsoft named a Leader in the 2026 IDC MarketScape for MDR/MXDR for the Enterprise appeared first on Microsoft Security Blog.
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A lot of security problems still begin with someone doing a completely normal thing. Cloning a repo. Answering a call. Leaving a box exposed. Trusting the default. That pretty much covers the mood this week. Old bugs are back, supply chains are getting stranger, and some exploit paths are so short you wonder what was supposed to stop them in the first…
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Microsoft Threat Intelligence examines DeadLock ransomware, an emerging financially motivated operation distinguished by its use of decentralized infrastructure to support victim communications, negotiations, and data leak operations alongside double extortion tactics used to pressure victims. The post DeadLock ransomware: Breaking down a Rust-based…
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North Korea's state hackers are no longer content to type prompts into public chatbots. One of the country's main espionage groups has begun running artificial intelligence (AI) offline on its own servers, connecting document-search tools to files in its possession, and collecting the software parts needed to build AI into its malware. South Korean…
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Three separate research efforts last week demonstrated ways to defeat passkey protections without breaking the cryptography they rest on. Passkeys are designed to replace reusable passwords and resist phishing. The attacks instead reused signed authentication material that Windows had exposed, abused a cloud-synced passkey system from malware already on…
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Advisory at a Glance Title #StopRansomware: Gunra Ransomware Original Publication August 10, 2026 Executive Summary Gunra is a ransomware-as-a-service (RaaS) used by affiliates to target government, critical infrastructure, and other organizations. The Gunra ransomware variant first appeared in 2025 and expanded to RaaS operations in 2026. The actors…
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The threat actor known as Head Mare has been observed weaponizing security flaws in unpatched TrueConf servers once again in attacks targeting Russian companies spanning instrumentation, electronics, transport, energy, IT, and software development sectors. Russian cybersecurity vendor Kaspersky said it detected the attacks in July 2026. The activity…
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Cybersecurity researchers have flagged a malicious Microsoft Visual Studio Code (VS Code) extension named Solidity Pro ("solidity-pro") that has been observed delivering a browser wallet and credential stealer. The names of the extensions are below - helper-beeps.solidity-pro web3devtoolsx.solidity-pro Although neither of the extensions is now available on…
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OpenAI has announced that it's pausing some "internal activities" involving its upcoming artificial intelligence (AI) model Astra after an internal evaluation found it had made significant advancements in agentic coding and cybersecurity. In response to the discovery, the AI upstart said it's implementing security controls for higher-capability models and…
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(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
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The Head Mare hacktivist group has been exploiting vulnerabilities in unpatched TrueConf video conferencing servers to replace client installers with malicious versions that deliver backdoors. [...]
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Attacker-controlled instructions can make Atlassian's Rovo assistant collect Jira or Confluence data that a signed-in user can access, then send it to an outside server. Two security firms found that behavior independently, by different routes. Only one of those routes is confirmed closed. PromptArmor, an AI security firm, hid the instructions in content…
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New research shows content inside an email can escape its message boundary and interfere with the webmail interface. Across attack chains spanning Outlook, Gmail, Fastmail, Proton Mail, Yahoo Mail, and AOL Mail, the techniques can capture passwords, take over third-party accounts, leak tokens, hijack trusted UI actions, and manipulate AI tools that read…
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Metabase has warned that a maximum-severity security flaw impacting its business intelligence and data visualization software package has been exploited in the wild as a zero-day. The vulnerability (CVSS score: 10.0), which does not carry a CVE identifier, allows an unauthenticated remote attacker to inject arbitrary SQL into the Metabase application…
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N-able has released a fresh round of hotfixes for N‑central as part of its investigation into ongoing exploitation of a recently disclosed security flaw in the Remote Monitoring and Management (RMM) product. "We are proactively expanding protections in response to ongoing monitoring of threat actors as they evolve their attack techniques," the company…
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The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added a critical-severity security flaw impacting Progress Kemp LoadMaster to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation in the wild. The vulnerability, tracked as CVE-2026-8037 (CVSS score: 9.6), is a command injection flaw that…
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A critical Metabase SQL injection vulnerability was exploited in zero-day attacks to breach customer instances in data theft attacks, known to impact Framework and Tally. [...]
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Healthcare software company Unlimited Technology Systems reported that more than 3.8 million people were impacted by a data breach incident that occurred in October 2025. [...]
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A cluster of nearly 800 malicious packages has been published to the npm registry as part of a new campaign designed to deliver cross-platform malware targeting Windows, Mac, and Linux systems. "These packages appear to use AI slop squatted, or randomly generated typo-squatting package names, but all of them deliver a powerful RAT and infostealer payload,"…
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