Hvězdička u CVE znamená, že jsem to číslo vytáhl z širšího textu článku. Neukazuju u něj proto KEV, EPSS ani CVSS, a to preventivně, protože článek se na něj mohl jen odkazovat, třeba jako na starší kauzu.
Unit 42 details recent threat intelligence, highlighting cyberespionage, financial extortion, and the rapid adoption of AI across offensive workflows. The post Unit 42 Threat Intelligence Highlights - Nov. 2, 2026 appeared first on Unit 42.
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Chinese hackers used ARTEX, an open-source, multi-agent AI penetration-testing framework, in attacks against more than 200 organizations across 14 countries. [...]
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Apple does not attribute attacks or the notices to specific malicious actors or geographical regions, the notification said, due to the “extreme cost, sophistication, and worldwide nature of mercenary spyware attacks [which] make them some of the most advanced digital threats in existence today.”
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FortiGuard Labs examines a BITTER cyberespionage campaign targeting South Asian organizations through three attack chains and the PapRAT remote access trojan
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The FBI has confirmed that North Korean state-sponsored hackers known as TraderTraitor were behind the $6.3 billion crypto-theft attack on Binance, making it the largest cryptocurrency heist on record. [...]
Key Takeaways CISA AA26-194A provides actionable guidance to improve the security of Internet-facing Cisco routers against real-world attack techniques. The advisory focuses on configuration hardening and security hygiene, rather than a single vulnerability or CVE. Manually validating advisory recommendations across enterprise networks is difficult, time-consuming, and prone to inconsistencies. Qualys Policy Audit transforms advisory guidance into automated configuration compliance checks,…
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Ahmad Umar Agha, known online as “Th3Pr0,” was sentenced Thursday in federal court in Virginia to 42 months behind bars for his role in a conspiracy that was organized by former Syrian President Bashar al-Assad's closest advisers.
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Written by: Aurora Blum, David Mainor, Rohit Nambiar, Omar ElAhdan, Matthew McWhirt, Will Silverstone, Bhavesh Dhake, Chris Busse Introduction Recent intrusions in which threat actors have been observed weaponizing agentic frameworks to execute highly-automated intrusions has put a spotlight on evolving adversarial use of LLMs. In our September 2026 report, Google Threat Intelligence Group (GTIG) noted that forward leaning adversaries were beginning to transition from basic prompting to agentic…
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Binance, the world's largest cryptocurrency exchange, confirmed Thursday that it had been hacked in a $6.3 billion cyber heist that blockchain investigators are blaming on North Korea.
A newly identified advanced persistent threat (APT) group tracked as UAT-11473 was observed exploiting CVE-2026-20127, an authentication-bypass flaw in Cisco Catalyst SD-WAN Controllers, to deploy a custom malware framework called KeyDrift. [...]
KEV ✓ EPSS 0.89 CVE-2026-20127 Cisco obrana US EU FR
In this article Stages of AI adoption by North Korean threat actors AI use across North Korean threat operations AI-assisted targeting and reconnaissance AI-assisted social engineering and identity deception AI-assisted software and tooling development AI-assisted operational scaling and analysis Mitigation and protection guidance Microsoft Defender detections As Microsoft Threat Intelligence continues to track how threat actors operationalize AI to increase the speed, efficiency, and…
Phishing remained the leading initial access technique, appearing in slightly over one-third of all Cisco Talos Incident Response (Talos IR) engagements — a decrease from over 50 percent last quarter. In addition to traditional phishing links and attachments, we observed numerous threat actors conducting voice phishing (vishing) in tandem with IT desk impersonation to socially engineer the victim into allowing remote access via a legitimate remote monitoring and management (RMM) tool.…
KEV ✓ EPSS 1.00 CVE-2023-20198 Cisco Microsoft Anthropic telekomunikace US
Apple’s latest updates include a fix for a CoreGraphics bug that may have been exploited in targeted attacks. The fix is now available for older iPhones and iPads. Apple released security updates on October 26. Apple first fixed the flaw in iOS 26.7.1. Its latest updates also bring the fix to older devices that can’t run iOS 26, including the iPhone XS, iPhone XS Max, iPhone XR, and seventh-generation iPad. The iOS 18.7.11 update is a backport: it brings a fix from a newer software version to…
KEV ✓ EPSS 0.26 CVE-2026-86950 Apple US FR CA IT
Introduction A couple of months ago, our research revealed a highly sophisticated infection chain and a complex .NET assembly-loading framework built on XAML markup, which strongly indicates a supply-chain attack targeting a custom Windows build used exclusively by government entities in Asia. The malicious framework has been labeled NetamLoader; at present, no attribution to any known APT group has been established. The sample came to light in the first half of 2026, when Kaspersky Security…
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The U.S. Treasury Department sanctioned Russian and North Korean nationals for allegedly laundering the earnings of illicit IT workers on behalf of Pyongyang.
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Prime Minister Vasile Tofan said the incident may be part of a broader campaign targeting both citizens' personal data and government digital infrastructure, according to local media reports.
Chinese state-sponsored hacking group Volt Typhoon has been using a framework that relies on rotating chains of connected devices compromised on demand, including for zero-day attacks targeting high-value systems. [...]
CVE-2024-39717 * CVE-2025-8875 * CVE-2025-8876 * CVE-2026-16812 * CVE-2026-20127 * US
An overview of the activities of selected APT groups investigated and analyzed by ESET Research in Q2 2026 and Q3 2026
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More than half of the individual warnings from the Australian Signals Directorate (ASD) drew on previously secret material that had been cleared for disclosure, underscoring the growing role of intelligence sharing to prevent attacks.
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A new UEFI bootkit named BlackX, deployed in an espionage campaign in early 2026, exploited the old Baton Drop vulnerability to bypass Secure Boot and load a malicious driver designed to interfere with security solutions from Kaspersky and Avast. [...]
EPSS 0.09 CVE-2022-21894 Kaspersky Avast Microsoft veřejná správa US RU
ESET researchers uncover MythicRatatoskr – a previously unknown Go-based backdoor hiding its C&C server inside the Yggdrasil mesh network – that paved the way for a destructive attack against a Ukrainian grain firm
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North Korean hackers are using a post-quantum cryptographic mechanism to secure malicious payload delivery in new operations that combine old and new malware. [...]
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The pair stressed the latest update showed no country is pursuing the technically challenging effort to interfere with or hack into the country’s election infrastructure or tamper directly with votes.
In this article What’s happening What is ARTEX? Mitigation and protection guidance References Learn more As early as September 2026, Storm-0940, a China-state aligned actor, used the agentic AI penetration testing framework ARTEX to automate attacks targeting hundreds of organizations globally across a broad range of industries. Several of these Storm-0940 ARTEX-driven attacks have resulted in the actor obtaining privileged access to an organization’s cloud infrastructure – including multiple…
In January, we responded to the Lazarus Group’s novel attack campaign against South Korea, which followed last year’s Operation SyncHole. In this new operation, the group employed an updated malware chain that included both their old and new malware, which we disclosed in full, and used another mandatory South Korean security software program as a part of infection chain using a watering‑hole strategy. Notably, the group targeted victims more selectively, sending spear‑phishing emails with…
<p>The China-based threat group uses DLL sideloading in these attacks</p> Categories: Threat Research Tags: BRONZE SANDCASTLE, Meterpreter, Sandboxie
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For the latest discoveries in cyber research for the week of 19th October, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES CenterPoint Energy, a US utility company serving Texas and several other states, has disclosed a data breach affecting more than 1 million Texas residents. Unauthorized access to an external system exposed names, addresses, Social Security information, and driver’s license numbers, according to regulatory notifications filed by the company. Burger…
KEV ✓ · ransomware EPSS 0.94 CVSS 10.0 CVE-2025-8088 CVE-2026-102764 CVE-2026-104935 CVE-2026-35029 CVE-2026-59823 CVE-2026-96951 CVE-2026-97229 Microsoft Ivanti GitLab BeyondTrust IL
Classification: Critical, Solution: Official Fix, Exploit Maturity: Functional, CVSSv3.1: 9.3, CVEs: CVE-2026-102764, Summary: BeyondTrust has remediated a critical vulnerability in Remote Support (RS) that could allow a remote attacker to perform file operations on an affected appliance. The vulnerability exists within internal components of Remote Support. The components did not adequately validate the origin of the messages it received. Under the right conditions, this could be used to…
KEV ✓ EPSS 0.19 CVSS 9.3 CVE-2026-102764 BeyondTrust FI CA SE US NL IT
Last month, Volexity published two blog posts in its Mind the (Patch) Gap series. The series details Volexity’s discovery of multiple Chinese threat actors simultaneously using zero-day exploits in Google Chrome and Microsoft Windows in campaigns that, if successful, would download and run malware on an exploited system. Those posts covered technical details of the exploits and malware Volexity observed, along with general detection methods for each case. Behind those findings was one of the…
Candiru spyware was delivered to devices at Al Jazeera Media Network via targeted online advertisements in a zero-click attack that required only rendering the malicious ads on the victim's device. [...]
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An alleged Chinese state-backed group is using a new zero-day affecting BeyondTrust IT support software to conduct espionage attacks.
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Our analysis an AI-powered espionage campaign targeting government Linux infrastructure with custom malware, web shells, and advanced credential theft. The post AI-Powered Espionage Campaign Targets Government Linux Infrastructure appeared first on Unit 42.
Welcome to this week’s edition of the Threat Source newsletter. I've been following a lot of (sometimes heated) threads and discussions lately about the current vulnerability landscape. I learned new words/phrases such as Summer of Hell (although I'm writing this with 1°C/34°F outside), Vulnpocalypse, Bugmageddon, Bugpocalypse, Breachpocalypse... Let's look at some numbers: We crossed the 70k mark, and it's only the end of September. This has never been seen before — I think we can agree this…
KEV ✓ EPSS 0.87 CVE-2014-125110 CVE-2015-1000013 CVE-2026-104935 veřejná správa US
The U.S. Department of Justice (DoJ) has disrupted the Famous Chollima threat group's operations by arresting two suspects, charging 14 individuals, and seizing nearly 187 laptops used in North Korean remote IT worker schemes. [...]
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This research was conducted jointly with Julian-Ferdinand Vögele of Recorded Future’s Insikt Group. Details of the joint research and presentation are available here. Cisco Talos identified UAT-6275 (TAG-193 by Recorded Future) activity targeting government organizations across the Commonwealth of Independent States (CIS). Recovered artifacts show additional interest in water resources and energy. This focus is consistent with intelligence collection and may reflect the regional effects of the…
KEV ✓ · ransomware EPSS 1.00 CVE-2025-25257 CVE-2025-8088 WinRAR Fortinet veřejná správa energetika vodárenství US
The National Cyber and Information Security Agency (NÚKIB) is warning about targeted phishing campaigns aimed at users of the Signal messaging app. These activities are primarily linked to actors connected to the Russian Federation, and their goal is to gain access to victims’ communications by exploiting human error. Given the popularity of the Signal app among high-profile individuals and the occurrence of cyber incidents associated with it in the Czech Republic, NÚKIB is publishing an…
A Saudi OpenAI engineer has been arrested for allegedly planting a hidden recording device in an executive conference room at the company's San Francisco offices to secretly record sensitive conversations. [...]
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More than 40 residences in Texas were the target of a federal operation in September to clamp down on remote worker scams that feed money back to the North Korean regime.
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Critical infrastructure faces mounting threats from nation-state groups and AI-driven attacks. In the latest installment of our Cybersecurity Awareness Month blog series, learn how leading cybersecurity agencies, such as CISA, are advising critical infrastructure organizations on ways to protect themselves and the essential services they provide. Key takeaways Critical infrastructure organizations often struggle with asset visibility gaps that create hidden attack vectors. Many older OT systems…
The Belarusian Cyber Partisans concurred with Russian research that they indeed spent months inside the network for the Moscow Department of Health.
The FBI has seized seven domains used by Chinese state-sponsored hackers known as Flax Typhoon to operate two hacking tools, MicroScan and FishHub, used in attacks that breached critical infrastructure and other organizations worldwide. [...]
KEV ✓ · ransomware EPSS 1.00 CVE-2014-6278 CVE-2015-3306 CVE-2015-5477 CVE-2016-3081 CVE-2019-11510 CVE-2021-22205 CVE-2021-3199 CVE-2023-22894 Microsoft veřejná správa výroba a průmysl zdravotnictví školství US
Russian-aligned hackers have targeted Ukrainian transportation, manufacturing and energy companies with a constantly evolving malware strain designed to harvest system data, according to new research.
Joint advisory with international partners highlights malicious targeting of organisations from a range of sectors across the globe.
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Cisco Talos identified an advanced persistent threat (APT) spear-phishing campaign against individuals affiliated with Taiwan research organizations. The operation leveraged legitimate public event themes and impersonated reputable academic and policy institutions to establish credibility. The phishing emails exhibited highly consistent structure, rhetoric, and personalization patterns, suggesting the threat actor likely used AI-assisted content generation to rapidly customize invitation lures…
ESET Research catalogs the changes of UAC-0099’s MATCHBOIL downloader from 2024 to 2026
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For months, GreyNoise recorded almost no Hikvision camera exploit attempts against Ukraine. On Sept 21 activity surged for nine days during Russian strikes, almost all from four IPs, then stopped. We can't say if the two are linked.
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U.S. officials say Zhang Yu was a prominent figure in the Hafnium campaign, which saw hackers breach thousands of computers and steal troves of documents.
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Analysis of Blinder Tunnel, an Iran-nexus campaign using fake Dubai Airports recruitment lures and GitHub C2 malware to target critical infrastructure. The post Blinder Tunnel Campaign Targets Iraqi Infrastructure appeared first on Unit 42.
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Russian cybersecurity researchers attributed a quiet two-year espionage campaign to the Belarusian Cyber Partisans, a group better known for public attacks against governments and infrastructure.
The China-linked ransomware group Warlock targeted a water utility, a telecom provider, a regional government body, and a university by exploiting SharePoint vulnerabilities to gain initial access. [...]
CVE-2025-1055 * CVE-2025-49704 * CVE-2025-49706 * CVE-2025-53770 * CVE-2025-53771 * vodárenství telekomunikace veřejná správa školství US
Overview Rapid7 tracked a set of Linux samples that blend into the software and device conventions of the telecom environments they target. The set spans a newly observed BPFDoor variant, a BPF Rekoobe build seen against South Korean targets, a dropper, and six builds of a Linux implant we track as AVERAT, deployed against Taiwanese appliances. Additionally, we provide source code details of the Rapid7 BPFDoor controller introduced in our April 2026 blog, Stealthy BPFDoor Variants are a Needle…
According to this year’s Microsoft Digital Defense Report, government agencies and services were the sector most impacted by cyber threats in 2026, accounting for 27% of observed activity, up from 17% in 2025. Governments are also the most frequently targeted sectors for nation-state activity. They are attractive targets because they hold sensitive information, operate essential services, and sit at the center of networks of agencies, contractors, technology providers, and critical…
The Russian state actor Star Blizzard has been using a new malware installation tactic dubbed "RedFlick" to deploy its signature CosmicPulse backdoor. [...]
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The Russian state-backed hacking group Star Blizzard has expanded its phishing operations this year, using a new technique that makes it easier to infect victims with malware.
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Cisco Talos uncovered a cluster of activity we track as UAT-11587 targeting government and policy organizations across Asia, including in Taiwan, India, the Philippines, and Cambodia, to deliver a previously undocumented backdoor referred to as “Antino” in developer artifacts. Talos first observed UAT-11587 activity in September 2025. By July 2026, Talos had identified at least 16 affected or targeted institutional environments across eight Asian countries. Antino is a Rust-compiled Windows…
In this article Star Blizzard TTPs observed in 2026Defending against Star Blizzard and RedFlick-related activityMicrosoft Defender detectionsHunting queriesIndicators of compromise Since January 2026, Microsoft has observed Russian state threat actor Star Blizzard evolve their detection evasion capabilities through large-scale phishing campaigns, the use of accounts on compromised websites, and a novel malware delivery technique that Microsoft tracks as “RedFlick”. These changes represent a…