#backdoor

In 2025, receiving a .vbs “invoice” is like finding a floppy disk in your mailbox. It's retro, suspicious, and definitely not something you should run.

Amazon's threat intelligence team on Wednesday disclosed that it observed an advanced threat actor exploiting two then-zero-day security flaws in Cisco Identity Service Engine (ISE) and Citrix NetScaler ADC products as part of attacks designed to deliver custom malware. "This discovery highlights the trend of threat actors focusing on critical identity and network access control infrastructure –

Active Directory remains the authentication backbone for over 90% of Fortune 1000 companies. AD's importance has grown as companies adopt hybrid and cloud infrastructure, but so has its complexity. Every application, user, and device traces back to AD for authentication and authorization, making it the ultimate target. For attackers, it represents the holy grail: compromise Active

Threat hunters have uncovered similarities between a banking malware called Coyote and a newly disclosed malicious program dubbed Maverick that has been propagated via WhatsApp. According to a report from CyberProof, both malware strains are written in .NET, target Brazilian users and banks, and feature identical functionality to decrypt, targeting banking URLs and monitor banking applications.

The malware known as GootLoader has resurfaced yet again after a brief spike in activity earlier this March, according to new findings from Huntress. The cybersecurity company said it observed three GootLoader infections since October 27, 2025, out of which two resulted in hands-on keyboard intrusions with domain controller compromise taking place within 17 hours of initial infection. "

AI-enabled supply chain attacks jumped 156% last year. Discover why traditional defenses are failing and what CISOs must do now to protect their organizations. Download the full CISO’s expert guide to AI Supply chain attacks here.  TL;DR AI-enabled supply chain attacks are exploding in scale and sophistication - Malicious package uploads to open-source repositories jumped 156% in

Cyber threats didn’t slow down last week—and attackers are getting smarter. We’re seeing malware hidden in virtual machines, side-channel leaks exposing AI chats, and spyware quietly targeting Android devices in the wild. But that’s just the surface. From sleeper logic bombs to a fresh alliance between major threat groups, this week’s roundup highlights a clear shift: cybercrime is evolving fast

A China-linked threat actor has been attributed to a cyber attack targeting an U.S. non-profit organization with an aim to establish long-term persistence, as part of broader activity aimed at U.S. entities that are linked to or involved in policy issues. The organization, according to a report from Broadcom's Symantec and Carbon Black teams, is "active in attempting to influence U.S. government

A previously unknown threat activity cluster has been observed impersonating Slovak cybersecurity company ESET as part of phishing attacks targeting Ukrainian entities. The campaign, detected in May 2025, is tracked by the security outfit under the moniker InedibleOchotense, describing it as Russia-aligned. "InedibleOchotense sent spear-phishing emails and Signal text messages, containing a link

Doctor Web uncovers a targeted cyberattack on a Russian government body by the Cavalry Werewolf group using a new ShellNET backdoor and Telegram-based control.