11–20 of 43,219 articles
The Hacker News
ThreatsDay: 59 Linux Kernel Bugs, Falcon Spyware, GSocket Backdoors + 17 More Stories
A search result isn't always safe. An access request isn't always harmless. And a familiar account doesn't always mean a familiar person is using it. Simple things to remember. Yet a surprising amount of this week's trouble starts right there. Attackers are using fake websites, stolen access, and trusted tools to get into places they shouldn't be. AI is helping them build attacks faster, while
The Hacker News
New SignDrop Zero-Day Exploit Turns Windows CLFS Security Feature Into SYSTEM Access
Public exploit code released earlier this week claims that a local Windows user can gain SYSTEM privileges through the Common Log File System driver. The proof of concept, called SignDrop, targets a log-authentication feature added to the driver last year. It abuses how clfs.sys creates companion files when a privileged process opens a prepared log, using path redirection to take control of
The Hacker News
Critical Red Hat Quay Flaw Lets Attackers Read and Overwrite All Private Container Images in a Registry
A critical flaw in Red Hat Quay allows an attacker who can access a Quay registry to read and overwrite private container images in every repository. Quay enables anonymous access by default, and while it is enabled, the attacker needs no account. When it is off, anyone with a valid account can still exploit the flaw, Red Hat said yesterday. The company has released fixed builds for eight Quay
Bleeping Computer
New Windows SignDrop zero-day gives hackers SYSTEM privileges
Security researcher Abdelhamid Naceri (also known as Nightmare Eclipse) has released a new Windows zero-day exploit that can let attackers gain SYSTEM privileges. [...]
The Hacker News
Citrix Patches 12 NetScaler and Secure Access Client Flaws, Including Authentication Bypass
Citrix has released patches for multiple critical security flaws impacting NetScaler ADC, Citrix NetScaler Gateway, and NetScaler Console that could lead to denial-of-service (DoS) or an authentication bypass. The critical vulnerabilities that impact NetScaler ADC and NetScaler Gateway are listed below - CVE-2026-120868 (CVSS score: 9.3) - A memory overflow vulnerability in Packet
The Hacker News
186 Fake AI Domains Redirect Users to ClickFix Lures, Browser Malware, and Search Hijackers
Cybersecurity researchers have found that lookalike domains masquerading as artificial intelligence (AI) tools are being used to serve ClickFix-style lures, browser-hijacking malware, and a set of extensions that hijack user searches. This delivery pattern has been codenamed TypoPrompting by Island. "AI-app lookalikes that turn an attempt to reach a familiar tool into a prompt to verify,
Graham Cluley
WhiteArmor gang claims responsibility for latest cyber attack on shipping giant Maersk
Shipping giant Maersk has confirmed that one of its systems was broken into by hackers who have stolen data. The WhiteArmor gang has claimed responsbility for the attack. Read more in my article on the Hot for Security blog.
Bleeping Computer
Police dismantles Gootloader, CastleRAT, StealC malware infrastructure
Europol and law enforcement partners from nine countries have seized hundreds of servers and domains used by the Gootloader, CastleRAT, and StealC malware operations. [...]
The Register
Microsoft Exchange Server 2016 and 2019 enter their 'permanently vulnerable' era
Upgrade, migrate, but don't prevaricate – time has run out
The Hacker News
SCKit Malware Turns ScreenConnect Support Sessions Into Potential MSP Attack Paths
The ongoing campaign targeting ConnectWise ScreenConnect deployments involves the exploitation of a now-patched critical security flaw in the remote access software, and not a new vulnerability, it has emerged. Blackpoint Cyber's Adversary Pursuit Group (APG), which shared the details with The Hacker News, said the recovered attacker toolkit exploits CVE-2026-84869 (CVSS score: 9.9), an