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2334 result(s) for "data breach" — best match first.

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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.

The Hacker News
The Hacker News Vulnerabilities

Two Critical MarkLogic Flaws Could Give Delegated Managers Persistent Admin Control

Two of 31 newly disclosed flaws in Progress Software's MarkLogic Server database could let an account given only some management privileges take administrator …

BleepingComputer
BleepingComputer

Yandex confirms service outage as users lose access to cloud files

Russian cloud services provider Yandex announced that drone attacks damaged three of its data centers, forcing it to shut down two facilities and partially dis…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian Stable Vips DSA-6552-1 Addresses Multiple Security Vulnerabilities

Several vulnerabilities have been discovered in vips, a fast image processing library. These vulnerabilities could result in denial of service, memory safety i…

Linux

BleepingComputer
BleepingComputer Breaches & leaks

Ransomware attack disrupts Japan's IDCF Cloud used by govt clients

IDC Frontier, a major Japanese cloud and digital infrastructure company, disclosed that its IDCF Cloud service was targeted in a ransomware attack that caused …

BleepingComputer
BleepingComputer Vulnerabilities

Cisco warns of critical flaws allowing Nexus switch takeover

Cisco released security advisories for five critical vulnerabilities in its NX-OS data center network operating system that could be exploited to run arbitrary…

Cisco

The Record
The Record

Russian-aligned spies upgrade malware used in attacks on Ukrainian transport, energy firms

Russian-aligned hackers have targeted Ukrainian transportation, manufacturing and energy companies with a constantly evolving malware strain designed to harves…

BleepingComputer
BleepingComputer Breaches & leaks

Ransomware recovery CEO charged over secret ransom payments

The owner of ransomware remediation company MonsterCloud has been charged with allegedly defrauding ransomware victims by secretly paying their attackers for d…

The Record
The Record Breaches & leaks

US posts $10 million reward for accused Chinese ‘Hafnium’ hacker

U.S. officials say Zhang Yu was a prominent figure in the Hafnium campaign, which saw hackers breach thousands of computers and steal troves of documents.

The Hacker News
The Hacker News Breaches & leaks

Attackers Hijack .gh, .sl, and .as Registries to Obtain Certificates for Google Domains

Attackers compromised three country-code top-level domains (ccTLDs) and obtained unauthorized HTTPS certificates for several Google domains, Google said on Oct…

The Record
The Record Breaches & leaks

Arizona courts say hackers stole info on more than 1.3 million people

The investigation into the incident revealed cybercriminals were able to breach the Fines/Fees and Restitution Enforcement (FARE) Program, a statewide program …

BleepingComputer
BleepingComputer Breaches & leaks

Advantest confirms personal information stolen in ransomware attack

Advantest Corporation is notifying affected individuals that a ransomware attack earlier this year exposed their personally identifiable data.…

BleepingComputer
BleepingComputer Vulnerabilities

Atlassian warns of critical file-access flaw in Jira, Confluence

Atlassian is warning customers of a critical vulnerability, tracked as CVE-2026-21589, that can be exploited for arbitrary file-access in multiple self-hosted …

DataBreaches.net
DataBreaches.net Breaches & leaks

Japan hands over ‘Qilin’ hacker group member to Germany

JiJi reports: Japanese police have captured a Russian national believed to be a key member of the “Qilin” international hacker group and extradited him to Germ…

DataBreaches.net
DataBreaches.net Breaches & leaks

ASOS customers receive ‘hack’ notification threatening leak

Sarah Butler reports: ASOS is investigating after users of its mobile app received a notification claiming hackers had “fully compromised” the online fashion r…

The Hacker News
The Hacker News Vulnerabilities

Welcome to the Jungle: What We Found Inside 15,465 Public MCP Servers

In 2024, MCP (Model Context Protocol) set out to become the USB-C of AI: one standard for connecting models, agents, and IDEs to tools and data. The protocol d…

DataBreaches.net
DataBreaches.net Breaches & leaks

Nueva EPS, Colombia’s largest regional healthcare promoting entity has allegedly been hacked (1)

Colombia’s largest health-promoting entity, Nueva EPS, has allegedly been hacked by an individual demanding $15 million not to leak the data. Colombia’s health…

DataBreaches.net
DataBreaches.net Breaches & leaks

Daiwa Securities says info on 110,000 clients may have been leaked in vendor incident

Takashi Nakamichi and Ryo Horiuchi report that Daiwa Securities, Japan’s second-largest brokerage and investment banking firm, is responding to a breach at one…

The Hacker News
The Hacker News

The Credential Layer Is Expanding Faster Than Security Teams Can See It

Every modern enterprise depends on credentials. This is how humans, systems, and now AI, all connect to data, services, and each other securely. GitGuardian he…

The Hacker News
The Hacker News

The State of Cybersecurity in 2026:Key Segments, Insights, and Innovations

Featuring:Cybersecurity is being reshaped by the expansion of cloud infrastructure, AI, distributed systems, and increasingly complex digital environments. As …

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 43 cockpit-machines Local Attack Disclosure CVE-2026-92768 Details

Automatic update for cockpit-machines-357-1.fc43. Changelog for cockpit-machines * Wed Sep 23 2026 Packit - 357-1 - Harden against local attacks from accessing…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian Redis High Severity Denial of Service Code Execution DSA-6538-1

Multiple vulnerabilities were discovered in Redis, a persistent key-value database, which could result in denial of service or the execution of arbitrary code.…

Linux Databases

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian libio-compress-perl Critical CPU Exhaustion and Code Exec DLA-4812-1

Multiple vulnerabilities were discovered in libio-compress-perl, a Perl library to allow reading and writing of compressed data. CVE-2025-15649 Uncaught except…

Linux

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…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian WebKitGTK Important Heap Corruption Privilege Escalation DSA-6534-1

Several vulnerabilities have been discovered in the WebKitGTK web engine, that may lead to heap corruption, local privilege escalation, remote code execution, …

Linux