Stay Informed

Cybersecurity News

Home / News

Clear

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

1215 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.

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

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

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 Articles
LinuxSecurity - Security Articles Breaches & leaks

How to Secure Linux Servers in SaaS: Essential Security Guide for 2025

Linux powers over 80% of cloud infrastructure , making it an attractive target for cybercriminals. Your Linux server's security matters more than ever, as data…

Linux

The Hacker News
The Hacker News Breaches & leaks

Water Curse Hijacks 76 GitHub Accounts to Deliver Multi-Stage Malware Campaign

Cybersecurity researchers have exposed a previously unknown threat actor known as Water Curse that relies on weaponized GitHub repositories to deliver multi-st…

GitHub

The Hacker News
The Hacker News Breaches & leaks

Water Curse Employs 76 GitHub Accounts to Deliver Multi-Stage Malware Campaign

Cybersecurity researchers have exposed a previously unknown threat actor known as Water Curse that relies on weaponized GitHub repositories to deliver multi-st…

GitHub

The Hacker News
The Hacker News Breaches & leaks

Over 269,000 Websites Infected with JSFireTruck JavaScript Malware in One Month

Cybersecurity researchers are calling attention to a "large-scale campaign" that has been observed compromising legitimate websites with malicious JavaScript i…

Palo Alto

The Hacker News
The Hacker News Breaches & leaks

Ransomware Gangs Exploit Unpatched SimpleHelp Flaws to Target Victims with Double Extortion

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday disclosed that ransomware actors are targeting unpatched SimpleHelp Remote Monitor…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Mageia 9: 2025-0184 moderate: golang information leak and handling issues

Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information. CVE-2025-4673. os: inconsiste…

Windows

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

Anatomy of a Linux Ransomware Attack

Ransomware has been making life miserable for IT folks for years now, and you've probably heard plenty about how it hits Windows systems . But Linux? Yeah, tha…

Linux Windows

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian 11 bullseye: DLA-4191-1 critical: firefox-esr code execution threat

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code or cross-origin …

Linux

The Hacker News
The Hacker News Breaches & leaks

DragonForce Exploits SimpleHelp Flaws to Deploy Ransomware Across Customer Endpoints

The threat actors behind the DragonForce ransomware gained access to an unnamed Managed Service Provider's (MSP) SimpleHelp remote monitoring and management (R…

The Hacker News
The Hacker News Breaches & leaks

Chinese APT41 Exploits Google Calendar for Malware Command-and-Control Operations

Google on Wednesday disclosed that the Chinese state-sponsored threat actor known as APT41 leveraged a malware called TOUGHPROGRESS that uses Google Calendar f…

The Hacker News
The Hacker News Breaches & leaks

⚡ Weekly Recap: APT Campaigns, Browser Hijacks, AI Malware, Cloud Breaches and Critical CVEs

Cyber threats don't show up one at a time anymore. They’re layered, planned, and often stay hidden until it’s too late.For cybersecurity teams, the key isn’t j…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

Tails 6.15.1 Fixes Critical Tor Browser Flaws

Tails version 6.15.1 has landed, and this isn't just a routine update''it's an emergency release. If you're working with Tails, this release demands your immed…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

Oniux: Secure Tor Routing for Linux Applications

When privacy stakes are high, tools that strengthen security and anonymity become essential. This is precisely where Oniux '' a new command-line utility from t…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

Red Hat Linux Hacked at Pwn2Own Berlin

Red Hat Enterprise Linux got hacked during the Pwn2Own Berlin 2025 competition . Let that sink in for a moment. This is one of the go-to systems for businesses…

Linux

The Hacker News
The Hacker News Breaches & leaks

5 BCDR Essentials for Effective Ransomware Defense

Ransomware has evolved into a deceptive, highly coordinated and dangerously sophisticated threat capable of crippling organizations of any size. Cybercriminals…

The Hacker News
The Hacker News Breaches & leaks

Qilin Leads April 2025 Ransomware Spike with 45 Breaches Using NETXLOADER Malware

Threat actors with ties to the Qilin ransomware family have leveraged malware known as SmokeLoader along with a previously undocumented .NET compiled loader co…

The Hacker News
The Hacker News Breaches & leaks

Qilin Ransomware Ranked Highest in April 2025 with Over 45 Data Leak Disclosures

Threat actors with ties to the Qilin ransomware family have leveraged malware known as SmokeLoader along with a previously undocumented .NET compiled loader co…

The Hacker News
The Hacker News Breaches & leaks

Qilin Ransomware Ranked Highest in April 2025 with 72 Data Leak Disclosures

Threat actors with ties to the Qilin ransomware family have leveraged malware known as SmokeLoader along with a previously undocumented .NET compiled loader co…

The Hacker News
The Hacker News Breaches & leaks

⚡ Weekly Recap: Nation-State Hacks, Spyware Alerts, Deepfake Malware, Supply Chain Backdoors

What if attackers aren't breaking in—they're already inside, watching, and adapting?This week showed a sharp rise in stealth tactics built for long-term access…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Mageia 9: 2025-0147 critical: mod_auth_openidc data leak

mod_auth_openidc allows OIDCProviderAuthRequestMethod POSTs to leak protected data. (CVE-2025-31492) References: - https://bugs.mageia.org/show_bug.cgi?id=34216

The Hacker News
The Hacker News Breaches & leaks

U.S. Charges Yemeni Hacker Behind Black Kingdom Ransomware Targeting 1,500 Systems

The U.S. Department of Justice (DoJ) on Thursday announced charges against a 36-year-old Yemeni national for allegedly deploying the Black Kingdom ransomware a…