Stay Informed

Cybersecurity News

Home / News

Clear

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

9214 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 Breaches & leaks

Manufacturing Security: Why Default Passwords Must Go

If you didn't hear about Iranian hackers breaching US water facilities, it's because they only managed to control a single pressure station serving 7,000 peopl…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Fedora 42: 2025-d3585d3323 update: mbedtls 3.6.4 released

Update to 3.6.4 Release notes: https://github.com/Mbed-TLS/mbedtls/releases/tag/mbedtls-3.6.4

Linux GitHub

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Mageia 9: MGASA-2025-0203 critical: php NULL Pointer Dereference

PGSQL: Fixed GHSA-hrwm-9436-5mv3 (pgsql extension does not check for errors during escaping). (CVE-2025-1735) SOAP: Fixed GHSA-453j-q27h-5p8x (NULL Pointer Der…

PHP

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

SSH Under Siege: Hardening Your Linux Server Against Proxy Abuse

Let's be honest''your Linux server isn't the fortress you hope it is if your SSH setup isn't locked down tight. Recently, security teams have been tracking a s…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Mageia 9: 2025-0201 critical: Firefox multiple security issues

CVE-2025-6424: A use-after-free in FontFaceSet resulted in a potentially exploitable crash. CVE-2025-6425: An attacker who enumerated resources from the WebCom…

Docker

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

CISA Warns of CVSS 9.3 MICROSENS NMP Web+ Flaws

If you're managing industrial networks, critical manufacturing systems, or infrastructure that demands tight security, you'll want to sit down for this one. MI…

The Hacker News
The Hacker News

A New Maturity Model for Browser Security: Closing the Last-Mile Risk

Despite years of investment in Zero Trust, SSE, and endpoint protection, many enterprises are still leaving one critical layer exposed: the browser.It’s where …

The Hacker News
The Hacker News Vulnerabilities

Chrome Zero-Day CVE-2025-6554 Under Active Attack — Google Issues Security Update

Google has released security updates to address a vulnerability in its Chrome browser for which an exploit exists in the wild.The zero-day vulnerability, track…

Chrome

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Canonicals Big Move: Multipass VM Manager Goes Fully Open-Source

When you manage lightweight virtual machines (VMs) regularly, tools like Canonical's Multipass are a lifesaver. It's fast, reliable, integrates seamlessly with…

Linux

The Hacker News
The Hacker News Vulnerabilities

⚡ Weekly Recap: Airline Hacks, Citrix 0-Day, Outlook Malware, Banking Trojans and more

Ever wonder what happens when attackers don’t break the rules—they just follow them better than we do? When systems work exactly as they’re built to, but that …

Microsoft 365 Citrix

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Optimizing Linux Security in 2025: Key Strategies & Best Practices

Recent years have demonstrated a notable shift in the cybersecurity landscape, with Linux systems increasingly targeted by adversaries. Once considered relativ…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

GStreamer 1.26.3 Fixes H.266 Security Flaw, Adds New Features

If you've ever set up or maintained a multimedia pipeline on Linux, you already know the stakes. Your system needs to decode, encode, stream, and sync diverse …

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Mageia 9: MGASA-2025-0197 critical: thunderbird memory corruption

CVE-2025-5262: A double-free could have occurred in vpx_codec_enc_init_multi after a failed allocation when initializing the encoder for WebRTC. This could hav…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11: DLA-4231-1 critical: firefox-esr code execution issues

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code.

Linux

The Hacker News
The Hacker News Breaches & leaks

Cyber Criminals Exploit Open-Source Tools to Compromise Financial Institutions Across Africa

Cybersecurity researchers are calling attention to a series of cyber attacks targeting financial organizations across Africa since at least July 2023 using a m…

Palo Alto

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Ubuntu Chooses Performance Over Mitigation: Intel GPU Users See 20% Gains

Here's the kind of change that gets sysadmins and devs talking''and not always in agreement. Ubuntu is introducing a configuration tweak that disables Spectre-…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

The Security vs. Speed Dilemma: Ubuntu's Controversial Choice

Here's the kind of change that gets sysadmins and devs talking''and not always in agreement. Ubuntu is introducing a configuration tweak that disables Spectre-…

Linux

The Hacker News
The Hacker News Vulnerabilities

nOAuth Vulnerability Still Affects 9% of Microsoft Entra SaaS Apps Two Years After Discovery

New research has uncovered continued risk from a known security weakness in Microsoft's Entra ID, potentially enabling malicious actors to achieve account take…

Microsoft 365

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Mageia 9: 2025-0195 critical: firefox & nss memory issues

CVE-2025-5283: A double-free could have occurred in vpx_codec_enc_init_multi after a failed allocation when initializing the encoder for WebRTC. This could hav…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Mageia 9: 2025-0193 critical: python-django log injection issue

Potential log injection via unescaped request path. (CVE-2025-48432) References: - https://bugs.mageia.org/show_bug.cgi?id=34348 - https://www.openwall.com/lis…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Mageia 9: MGASA-2025-0190 important: clamav buffer overflow

Fixed a possible buffer overflow write bug in the PDF file parser that could cause a denial-of-service (DoS) condition or enable remote code execution. (CVE-20…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Secure RHEL Clones Chart Diverging Paths

When you're architecting a secure Linux environment, understanding where your operating system stands''both in terms of hardware compatibility and security fea…

Linux

The Hacker News
The Hacker News Breaches & leaks

Scattered Spider Behind Cyberattacks on M&S and Co-op, Causing Up to $592M in Damages

The April 2025 cyber attacks targeting U.K. retailers Marks & Spencer and Co-op have been classified as a "single combined cyber event."That's according to an …

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 7584-1: Roundcube

Roundcube Webmail could allow remote code execution.

Linux