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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.

DataBreaches.net
DataBreaches.net Breaches & leaks
South Korea’s President Lee Jae Myung orders thorough probe into data breaches at local banks

Lee Hyo-jin reports: President Lee Jae Myung on Sunday ordered a thorough investigation into a string of recent data breaches at financial institutions, as art…

DataBreaches.net
DataBreaches.net Breaches & leaks
Slate Valley Unified School District voted not to pay ransom demand; Kairos likely to leak data

The Slate Valley Unified School District in Fair Haven, Vermont, has been responding to a security incident since September 3. On October 2, Kairos threat acto…

DataBreaches.net
DataBreaches.net Breaches & leaks
Italy’s Data Protection Authority fines IQVIA €7 million over data protection breach

The following is a machine translation of a press release by Italy’s privacy guarantor: Healthcare data: The Privacy Guarantor fines IQVIA 7 million euros. The…

DataBreaches.net
DataBreaches.net Breaches & leaks
ShinyHunters hacker “Rey,” allegedly involved in FBI data theft, detained in Jordan

Jana Winter, Raphael Satter, and A.J. Vicens report: A key member of the ShinyHunters hacking group, ‌which claims to have stolen data on every FBI employee, w…

The Hacker News
The Hacker News Breaches & leaks
Warlock Exploits SharePoint Flaws to Disable Security Tools and Deploy Ransomware

The suspected China-linked threat actor known as Warlock is still continuing to weaponize Microsoft SharePoint vulnerabilities, likely both old and new, in att…

Microsoft 365

The Hacker News
The Hacker News Breaches & leaks
Police Arrest 16-Year-Old Suspected of Running KillSec, Seize Ransomware Leak Site and Servers

Police in Spain have arrested a 16-year-old whom investigators suspect of running the KillSec ransomware group. KillSec is accused of stealing data from organi…

The Hacker News
The Hacker News Breaches & leaks
Know Your Enemy: Browser-Based Attack Techniques in 2026

Given that the browser is where business apps are accessed and used, it makes sense that attacks are happening there too. Most breaches today begin in a browse…

The Hacker News
The Hacker News Breaches & leaks
New Spectre-v2 BTR Attack Leaks Linux Memory Despite Existing Defenses

A group of academics from VUSec and Scuola Superiore Sant'Anna have disclosed details of a new Spectre CPU vulnerability variant that affects Just-In-Time (JIT…

Linux

The Hacker News
The Hacker News Breaches & leaks
Lunex Stealer Abuses AMD Driver to Disable Security Monitoring and Steal Browser Credentials

The Psychedelic Stealer malware distributed via compromised Ukrainian websites using ClickFix-style Cloudflare verification checks is part of a wider malware-a…

The Hacker News
The Hacker News Breaches & leaks
Compromised GitHub Actions Came Back Online and Resumed Executing Mini Shai-Hulud Malware

Two actions-cool GitHub Actions have been disabled for a second time after the repositories became accessible last week, months after they were compromised dur…

GitHub

The Hacker News
The Hacker News Breaches & leaks
Malicious npm Package Poses as Twilio Bug-Bounty Probe, Can Exfiltrate Credentials

Cybersecurity researchers have disclosed details of a malicious npm package named "tw-pkgprobe-7731" that masquerades as a security tool targeting developers i…

The Hacker News
The Hacker News Breaches & leaks
Identity Visibility in 2026: The Foundation of Identity Security

Identity visibility is a starting point for modern identity security, because stolen and misused credentials are among the most frequently reported initial acc…

The Hacker News
The Hacker News Breaches & leaks
CrowdSec Says TanStack npm Attack Led to Copy of 170 Private GitHub Repositories

An attacker copied about 170 of CrowdSec's private GitHub repositories on May 22 using the account of an employee who had just left, CrowdSec said on September…

GitHub

The Hacker News
The Hacker News Breaches & leaks
RatHat Android Malware Abuses ADB to Retain Shell Access After Uninstall

Cybersecurity researchers have flagged a new Android malware called RatHat that's assessed to be operated by China-based threat actors and features an artifici…

Android

The Hacker News
The Hacker News Breaches & leaks
Iran-Linked Handala Hack Tied to HEAVYGRAM Telegram Backdoor That Can Steal Passwords

The Iran-linked "hacktivist" persona known as Handala Hack has been attributed to a Telegram-based surveillance backdoor called HEAVYGRAM and a Delphi-based ut…

The Hacker News
The Hacker News Breaches & leaks
Three Threat Groups Target Russian Enterprises With Backdoors, Ransomware, and Wipers

Enterprises in Russia have emerged as the target of three threat activity clusters tracked as NightEagle, Hacking Cat, and Toy Ghouls, according to multiple re…

The Hacker News
The Hacker News Breaches & leaks
N0va Phishkit Targets US and EU Businesses: A New Challenge for Identity Security

N0va is targeting organizations across North America and Europe with phishing campaigns that impersonate trusted services and abuse legitimate authentication f…

The Hacker News
The Hacker News Breaches & leaks
Malicious Twitch Browser Extension Leaks OAuth Tokens From Nearly 31,000 Users

A malicious cross-store Twitch browser extension has leaked OAuth tokens associated with nearly 31,000 users to proxy servers operated by a Russian commercial …

Chrome

The Hacker News
The Hacker News Breaches & leaks
Twitch Browser Extension Leaks OAuth Tokens From Nearly 31,000 Users

A malicious cross-store Twitch browser extension has leaked OAuth tokens associated with nearly 31,000 users to proxy servers operated by a Russian commercial …

Chrome

The Hacker News
The Hacker News Breaches & leaks
Attackers Use Passkey Phishing to Hijack Microsoft Cloud Accounts and Exfiltrate Data

Microsoft has disclosed details of two campaigns in which threat actors are abusing third-party email delivery infrastructure to blast financial fraud scam mes…

The Hacker News
The Hacker News Breaches & leaks
Your Critical Vulnerabilities Might Not Be Your Biggest Risk

Security teams have become exceptionally talented at finding vulnerabilities. Now, it’s time to turn our attention to optimizing the process for determining wh…

The Hacker News
The Hacker News Breaches & leaks
Cisco FMC Flaws Exploited to Steal Credentials and Deploy Qilin Ransomware

Cisco has revealed that three distinct threat clusters linked to ransomware and state-sponsored attacks have been exploiting two recently patched Secure Firewa…

Cisco

The Hacker News
The Hacker News Breaches & leaks
Anthropic Discloses Fourth AI Hacking Incident Involving Claude Opus 4.6

Anthropic on Wednesday disclosed a fourth incident in which its artificial intelligence (AI) model broke into real third-party systems, marking the latest in a…

The Hacker News
The Hacker News Breaches & leaks
JSCeal Malware Can Bypass Google Authentication Using Stolen Session Cookies

Cybersecurity researchers have unpacked JSCeal, a sophisticated compiled V8 JavaScript (JSC) malware with credential harvesting, surveillance, and traffic-inte…