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Noticias de ciberseguridad
Alertas de vulnerabilidades explotadas, exploits y pruebas de concepto, malware, ransomware e incidentes con contenido técnico, de los medios de ciberseguridad en castellano. Se actualiza solo durante todo el día.
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IA y seguridadHerramientas e investigación
Asymptote Labs Lands $5.5 Million Seed for AI Agent Runtime Security
Asymptote Labs raises $5.5M seed led by Tower Research Ventures to commercialize its Beacon AI agent runtime security platform.
Google Chrome Adds ClickFix Warnings to Stop Users From Running Malicious Commands
Google on Tuesday said it's rolling out improved safeguards in its Chrome browser to secure users against ClickFix attacks when Enhanced Protection is enabled. ClickFix is a popular social engineering technique in which bad actors trick users into copying and pasting malicious…
Phishing e ingeniería socialMalware
Decades-Old Windows Utility Powers Modern ClickFix Attack
The attack uses malicious Google search results related to Amazon and leverages the 'finger' utility to launch a CAPTCHA that installs malware, including the Lumma stealer.
Exploits y PoCVulnerabilidades
Q3 2026 Threat Update: Attackers Are Exploiting Vulnerabilities Within 3 Days
Three days is the average time between a high-severity vulnerability becoming public and its exploitation, according to the latest Quarterly Threat Landscape Report from Rapid7. And 71% of the exploitation tracked in Q3 occurred within the first seven days.For security teams…
Ocho certificados de CA intermedios de eMudhra fueron hackeados
Ocho certificados de CA intermedios de eMudhra fueron hackeados debido a una generación de claves insegura, permitiendo interceptar y descifrar comunicaciones HTTPS. Aunque los principales navegadores y sistemas ya han revocado los certificados, se recomienda actualizar el…
Memory Bugs Account for Most of Chrome’s 353 New Security Fixes
The update fixes 353 flaws, including 163 memory corruption and 125 use-after-free vulnerabilities.
VulnerabilidadesExploits y PoC
Cloudflare detecta intentos de explotación de dos vulnerabilidades de PHP filtradas
Cloudflare ha detectado los primeros intentos de explotación de dos vulnerabilidades críticas de PHP, cuyos detalles se filtraron antes de la fecha de lanzamiento oficial del equipo de seguridad de PHP. Para mitigar este riesgo, la empresa ha implementado reglas en su Firewall…
Ciberseguridad
OpenAI Agents Silenced Security Team Alerts, Removed Misalignment Monitor
In two internal incidents, agents read routine coding instructions as permission to weaken monitoring, and one gave a false answer about it.
Herramientas e investigaciónInfraestructura crítica
Microsoft PowerToys adds CursorHide, Button Lock mouse tools
Microsoft has released PowerToys 0.102, with two new mouse utilities, new command-line tools, and Command Palette improvements.
WordPress sites compromised after TeamUpdraft credential exposure
Attackers are using stolen connection keys exposed in a TeamUpdraft security breach to install malicious plugins on affected WordPress sites and establish persistent access. Sites already compromised may remain at risk even after the exposed credentials are revoked. The attacks…
MalwareHerramientas e investigación
China-Aligned Bronze Sandcastle Abuses Sandboxie DLL Sideloading to Deploy Backdoors
Cybersecurity researchers have disclosed details of a previously undocumented China-aligned threat cluster known as Bronze Sandcastle that has been observed targeting organizations in Asia and Africa since mid-2025. "The most distinctive technical marker for Bronze Sandcastle is…
Critical Vulnerabilities in PHP Require Immediate Patching
CISA strongly urges organizations to immediately patch the recently disclosed critical vulnerabilities in PHP, CVE-2026-109618 and CVE-2026-109619. These vulnerabilities, known as “php2shell,” allow for unauthenticated remote code execution in PHP and affect all PHP…
Generative AI Is Erasing Behavioral Tells, Weakening Behavior-Only Detection, Proofpoint Reports
Generative AI has changed what a malicious email looks like. Messages that once gave themselves away through clumsy wording, generic pretexts, and reused templates now arrive fluent, personalized, and unique to each recipient, and the behavioral signals email filters have relied…
Vulnerabilidades críticas detectadas en PHP
Vulnerabilidad crítica – 21/10 Introducción CVE-2026-109618 y CVE-2026-109619 son dos vulnerabilidades críticas en el núcleo de PHP, el lenguaje de servidor sobre el que funcionan WordPress, Drupal, Magento y la mayor parte del alojamiento compartido. Al tener PHP ese alcance,…