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Tracked as CVE-2025-59374, the issue is a software backdoor implanted in Asus Live Update in a supply chain attack. The post CISA Warns of Exploited Flaw in Asus Update Tool appeared first on SecurityWeek.

This week’s ThreatsDay Bulletin tracks how attackers keep reshaping old tools and finding new angles in familiar systems. Small changes in tactics are stacking up fast, and each one hints at where the next big breach could come from. From shifting infrastructures to clever social hooks, the week’s activity shows just how fluid the threat landscape has become. Here’s the full rundown of what

Threat actors with ties to the Democratic People's Republic of Korea (DPRK or North Korea) have been instrumental in driving a surge in global cryptocurrency theft in 2025, accounting for at least $2.02 billion out of more than $3.4 billion stolen from January through early December. The figure represents a 51% increase year-over-year and $681 million more than 2024, when the threat actors stole

Within the past year, artificial intelligence copilots and agents have quietly permeated the SaaS applications businesses use every day. Tools like Zoom, Slack, Microsoft 365, Salesforce, and ServiceNow now come with built-in AI assistants or agent-like features. Virtually every major SaaS vendor has rushed to embed AI into their offerings. The result is an explosion of AI capabilities across

Threat actors stole names, Social Security numbers, and financial and health information, and deployed ransomware on RBHA’s systems. The post 113,000 Impacted by Data Breach at Virginia Mental Health Authority appeared first on SecurityWeek.

The Italian company has raised nearly $200 million in 2025 for its widely used embedded cybersecurity platform. The post IoT Security Firm Exein Raises €100 Million appeared first on SecurityWeek.

France’s counterespionage agency is investigating a suspected cyberattack plot targeting an international passenger ferry The post France Probes ‘Foreign Interference’ After Remote Control Malware Found on Passenger Ferry appeared first on SecurityWeek.

The medium-severity flaw has been exploited in combination with a critical bug for remote code execution. The post SonicWall Patches Exploited SMA 1000 Zero-Day appeared first on SecurityWeek.

The North Korean threat actor known as Kimsuky has been linked to a new campaign that distributes a new variant of Android malware called DocSwap via QR codes hosted on phishing sites mimicking Seoul-based logistics firm CJ Logistics (formerly CJ Korea Express). "The threat actor leveraged QR codes and notification pop-ups to lure victims into installing and executing the malware on their mobile

The critical zero-day is tracked as CVE-2025-20393 and it impacts Secure Email Gateway and Secure Email and Web Manager appliances. The post China-Linked Hackers Exploiting Zero-Day in Cisco Security Gear appeared first on SecurityWeek.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a critical flaw impacting ASUS Live Update to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability, tracked as CVE-2025-59374 (CVSS score: 9.3), has been described as an "embedded malicious code vulnerability" introduced by means of a supply chain compromise

Cisco has alerted users to a maximum-severity zero-day flaw in Cisco AsyncOS software that has been actively exploited by a China-nexus advanced persistent threat (APT) actor codenamed UAT-9686 in attacks targeting Cisco Secure Email Gateway and Cisco Secure Email and Web Manager. The networking equipment major said it became aware of the intrusion campaign on December 10, 2025, and that it

SonicWall has rolled out fixes to address a security flaw in Secure Mobile Access (SMA) 100 series appliances that it said has been actively exploited in the wild. The vulnerability, tracked as CVE-2025-40602 (CVSS score: 6.6), concerns a case of local privilege escalation that arises as a result of insufficient authorization in the appliance management console (AMC). It affects the following

A new distributed denial-of-service (DDoS) botnet known as Kimwolf has enlisted a massive army of no less than 1.8 million infected devices comprising Android-based TVs, set-top boxes, and tablets, and may be associated with another botnet known as AISURU, according to findings from QiAnXin XLab. "Kimwolf is a botnet compiled using the NDK [Native Development Kit]," the company said in a report

The Russian state-sponsored threat actor known as APT28 has been attributed to what has been described as a "sustained" credential-harvesting campaign targeting users of UKR[.]net, a webmail and news service popular in Ukraine. The activity, observed by Recorded Future's Insikt Group between June 2024 and April 2025, builds upon prior findings from the cybersecurity company in May 2024 that