One of Slovenia’s largest gambling and tourism groups has begun reopening its casinos after a cyberattack forced them to shut down for several days.
The threat actor known as Silver Fox has been observed distributing the ValleyRAT backdoor disguised as a signed Chinese adware application, running the malware under a trusted process to slip past users who add such software to their antivirus exclusions. Russian cybersecurity vendor Kaspersky said the attackers built the disguise around QN Wallpaper, a genuine Chinese desktop-wallpaper tool
Threat actors associated with Aurora (aka Aur0ra) ransomware have been observed using SpaceX's artificial intelligence (AI)-powered coding assistant Cursor to break into target networks, according to findings from CloudSEK and Gambit Security. The two independent analyses are based on exposed infrastructure associated with the Russian-speaking cybercrime group, leading to the discovery of its
Claude Code reads files, runs shell commands, invokes MCP tools, and acts through the credentials available on a developer’s machine. Anthropic’s new Compliance API endpoints give security teams their clearest view yet into that activity. They also expose a larger problem: activity logs alone cannot tell you whether an agent’s access is legitimate. AI has moved from the browser tab to the
Fire Ant hijacked Cisco routers, stole credentials and altered logs to hide its tracks, using trusted infrastructure to reach high-value networks. Chinese-linked cyber espionage group Fire Ant has spent the past year quietly graduating from hacking individual computers to hacking the infrastructure that connects them. Sygnia’s new report traces how the group expanded from compromising […]
Microsoft has confirmed that mouse settings are being reverted on Windows 11 systems after installing the KB5120998 August 2026 non-security preview update. [...]
Learn how the Spring Ring campaign abuses Microsoft Teams and voice phishing to deploy malware and target enterprise domain controllers. The post Spring Ring: An Inside Look at Voice Phishing Campaigns in Microsoft Teams appeared first on Unit 42.
Two Nigerian men extradited to the U.S. on Thursday have been charged with involvement in sextortion schemes that resulted in the deaths of two minor victims in Mississippi and North Carolina. [...]
Infostealers can steal active Claude sessions, bypass 2FA and drain paid usage. Anthropic is revoking access and refunding unauthorized charges. Anthropic confirmed that several infostealer malware can hijack an active Claude login session and let attackers burn through your usage without ever touching your password. “Our investigation is ongoing. Our findings to date suggest that […]
A China-nexus cyber espionage actor tracked as Fire Ant has expanded a long-running campaign beyond VMware hypervisors to compromise Cisco IOS XR routers, Terminal Access Controller Access-Control System (TACACS) servers, and Linux management hosts used to route, authenticate, and manage high-value networks. Sygnia, the incident response firm that investigated the intrusion, said the actor
Details about the Hugging Face hack, critical infrastructure under attack, a spoofed in-flight Wi-Fi network, and more of this month's cybersecurity news
Group-IB uncovers BraZetsu, a new Python-based Windows malware that serves as a master toolkit for Initial Access Brokers and powers a unique, AI-enhanced underground marketplace for commercializing compromised Iberian and Latin American targets.
Microsoft asked customers this week to ignore alerts that Defender Antivirus has been turned off after installing the latest Defender updates. [...]
The U.S. Department of Justice (DoJ) on Friday corrected a previously issued press statement that several of its agencies were victims of attacks carried out by Chinese threat actors, instead now pointing out that they were among those targeted. Last week, the DoJ said the National Aeronautics and Space Administration, Federal Reserve, Department of Energy, Department of Justice, Department
A critical GiveWP flaw lets unauthenticated attackers execute server commands. Version 4.16.7.2 fixes the PHP object injection chain. A critical vulnerability in GiveWP, one of the most widely used WordPress plugins for online donations and fundraising, can let an unauthenticated attacker execute commands on the server. Patchstack disclosed the flaw on August 28, after researcher […]
This vulnerability allows local attackers to escalate privileges on affected installations of pdfforge PDF Architect. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8.
This vulnerability allows remote attackers to execute arbitrary code on affected installations of pdfforge PDF Architect. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8.
This vulnerability allows remote attackers to execute arbitrary code on affected installations of pdfforge PDF Architect. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8.
This vulnerability allows remote attackers to execute arbitrary code on affected installations of pdfforge PDF Architect. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8.
This vulnerability allows remote attackers to execute arbitrary code on affected installations of pdfforge PDF Architect. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8.
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Extortion group FulcrumSec claims they stole 86GB of Manchester Airports Group data after finding API credentials exposed in client-side JavaScript. Manchester Airports Group (MAG) disclosed a data breach on August 27 affecting customers of Manchester, London Stansted, and East Midlands airports. Two days later, BleepingComputer reports the extortion group FulcrumSec claimed responsibility, saying it stole […]
FulcrumSec claims it stole 86 GB of data from Manchester Airports Group. BleepingComputer validated one traveller's record, while samples revealed detailed customer, booking, and travel information beyond what MAG initially disclosed. [...]
Anthropic is warning some Claude users that infostealer malware on their PCs has stolen active Claude login sessions, allowing attackers to access accounts and consume their usage. [...]
Multiple extensions for Google Chrome and Microsoft Edge delivered a malware framework that deployed modules to steal cryptocurrency, sensitive data, and browser history, as well as inject ClickFix lures. [...]
The Australian Signals Directorate’s 2026 board priorities and frontier AI guidance show why speed alone won’t stop AI-era cyber threats.
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Operation QUICSILVER: China-Nexus Actor Targets Myanmar Diplomats via VHD-Delivered Go Backdoor FTP Banners: The New Dead Drop Resolver Delivering Novel RATs The State of AI-Enabled Malware August 2026: From Brand Abuse to Agentic […]
PaperCut servers are under active attack, while 47% of tracked installations still run unpatched versions vulnerable to remote code execution. PaperCut, the print management software running in schools, hospitals, and offices worldwide, confirmed on August 27 that a pre-authentication remote code execution flaw is being actively exploited against real customers. Researchers at Huntress found evidence […]
A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including international press. Hack One Robot, Reach the Next: Unitree G1 Security Flaws Rhysida Ransomware Group Targets Berlin Government Ahead […]
Microsoft has disclosed details of a new ClickFix variant, dubbed TerminalFix, that aims to trick users into running a malicious command in Windows Terminal or PowerShell. "While traditional ClickFix campaigns direct victims to the Windows Run dialog, TerminalFix campaigns apply the same technique but direct users to Windows Terminal or PowerShell instead, increasing the likelihood that complex
