Stay Informed

Cybersecurity News

Home / News

Clear

Quick searches: Linux Windows Microsoft 365 AWS OVH VMware WordPress Fortinet Citrix VPN

5214 result(s) for "OT" — best match first.

What it means for your servers

The security stories that matter, explained by our team — with the concrete steps to take.

Latest headlines from security outlets

Collected every two hours from specialised publications — each link leads to the original article.

The Hacker News
The Hacker News Vulnerabilities

Cybercriminals Exploit X’s Grok AI to Bypass Ad Protections and Spread Malware to Millions

Cybersecurity researchers have flagged a new technique that cybercriminals have adopted to bypass social media platform X's malvertising protections and propag…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 20.04 LTS: Important DoS Fix for Protocol Buffers CVE-2025-4565

Protocol Buffers could be made to crash if it received specially crafted input.

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

A Closer Look at CVE-2025-8067: When Udisks Opens the Wrong Doors

It's always unnerving when a system service you rely on day-to-day turns out to be a potential gateway for unauthorized access. That's the story with CVE-2025-…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 20.04: USN-7629-2 Protocol Buffers Important DoS CVE-2025-4565

Protocol Buffers could be made to crash if it received specially crafted input.

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

CVE-2023-46604: Critical Threat for Linux Servers Running ActiveMQ

CVE-2023-46604 is not just another box on your patching to-do list''it's a major remote code execution (RCE) vulnerability in Apache ActiveMQ that admins need …

Linux Apache

The Hacker News
The Hacker News Vulnerabilities

SonicWall Confirms Patched Vulnerability Behind Recent VPN Attacks, Not a Zero-Day

SonicWall has revealed that the recent spike in activity targeting its Gen 7 and newer firewalls with SSL VPN enabled is related to an older, now-patched bug a…

VPN

The Hacker News
The Hacker News Vulnerabilities

Misconfigurations Are Not Vulnerabilities: The Costly Confusion Behind Security Risks

In SaaS security conversations, “misconfiguration” and “vulnerability” are often used interchangeably. But they’re not the same thing. And misunderstanding tha…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS: Urgent Remote Code Execution Flaw in ruby-graphql DLA-4263-1

ruby-graphql is GraphQL language and runtime for Ruby. It was discovered that loading a malicious schema definition in `GraphQL::Schema.from_introspection` (or…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

Hidden in Plain Sight: Koske Linux Malwares Stealthy Panda Image Delivery

The days of straightforward Linux security threats''malware you could spot with a cursory glance at the logs''are fading fast. Meet "Koske," a new breed of mal…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

Linux Servers Under Siege: CVE-2025-31324 & the Auto-Color Backdoor Malware Explained

If you're an admin managing Linux machines, you've got a couple of things on your radar right now. One is CVE-2025-31324, a vulnerability that's got the potent…

Linux

The Hacker News
The Hacker News Vulnerabilities

eSIM Vulnerability in Kigen's eUICC Cards Exposes Billions of IoT Devices to Malicious Attacks

Cybersecurity researchers have discovered a new hacking technique that exploits weaknesses in the eSIM technology used in modern smartphones, exposing users to…

The Hacker News
The Hacker News Vulnerabilities

Critical Sudo Vulnerabilities Let Local Users Gain Root Access on Linux, Impacting Major Distros

Cybersecurity researchers have disclosed two security flaws in the Sudo command-line utility for Linux and Unix-like operating systems that could enable local …

Linux

The Hacker News
The Hacker News Vulnerabilities

Critical Cisco Vulnerability in Unified CM Grants Root Access via Static Credentials

Cisco has released security updates to address a maximum-severity security flaw in Unified Communications Manager (Unified CM) and Unified Communications Manag…

Cisco

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

New Chrome Security Vulnerabilities Require Urgent Action

Two new Chrome vulnerabilities have surfaced, and despite how often we hear about Chrome in the news, these bugs are not the kind we can afford to brush off. B…

Chrome

The Hacker News
The Hacker News Breaches & leaks

Zero-Click AI Vulnerability Exposes Microsoft 365 Copilot Data Without User Interaction

A novel attack technique named EchoLeak has been characterized as a "zero-click" artificial intelligence (AI) vulnerability that allows bad actors to exfiltrat…

Microsoft 365

The Hacker News
The Hacker News Vulnerabilities

Two Distinct Botnets Exploit Wazuh Server Vulnerability to Launch Mirai-Based Attacks

A now-patched critical security flaw in the Wazur Server is being exploited by threat actors to drop two different Mirai botnet variants and use them to conduc…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11: DLA-4211-1 moderate: roundcube remote code execution

Kirill Firsov discovered that Roundcube, a skinnable AJAX based webmail solution for IMAP servers, was performing PHP Object deserialization on unvalidated inp…

Linux PHP

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Mageia: 2025-0175 critical: golang improper proxy matching

Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. For example, when the NO_PROXY environment variable is s…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS: DLA-4204-1 critical: twitter-bootstrap3 XSS issue

twitter-bootstrap3 a popular front end framework was affected by a vulnerability. A cross-site scripting (XSS) vulnerability

Linux

The Hacker News
The Hacker News Breaches & leaks

Ransomware Gangs Use Skitnet Malware for Stealthy Data Theft and Remote Access

Several ransomware actors are using a malware called Skitnet as part of their post-exploitation efforts to steal sensitive data and establish remote control ov…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Gentoo: GLSA-202505-07 critical: FreeType remote execution

A vulnerability has been discovered in FreeType, which can lead to remote code execution.

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Gentoo: GLSA-202505-03 High: Mozilla Thunderbird Remote Code Execution

Multiple vulnerabilities have been discovered in Mozilla Thunderbird, the worst of which could lead to remote code execution.

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 41: epiphany 2025-164c668d6a critical: external protocol issue

Update to 47.7 notably fixing CVE-2025-3839

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

Curing Linux Rootkit Bypasses Security Monitoring

As security-minded Linux admins, we take pride in the reliability, flexibility, and security of our systems. The recent emergence of the Curing rootkit has bro…

Linux