Noticias de Ciberseguridad
60 noticias agregadas automáticamente desde fuentes verificadas, resumidas con IA y actualizadas diariamente.
Monitorizamos diariamente las fuentes primarias de ciberseguridad — The Hacker News, BleepingComputer, Krebs on Security, SecurityWeek, The Record, Dark Reading, SecurityAffairs e Infosecurity Magazine — y procesamos cada artículo con análisis editorial que explica por qué la noticia importa, qué impacto tiene en las organizaciones, y qué acciones concretas deben tomar los profesionales de seguridad. Los artículos con análisis editorial de CyberFlows están marcados con el indicador "Análisis".
OpenAI confirms ChatGPT is down as logins and signups fail
ChatGPT is experiencing a major outage, and users are unable to sign in, create accounts, or load chats, including previous conversations. [...]
Rogue ransomware affiliate poses as recovery firm to steal payments
A suspected ransomware affiliate is posing as a ransomware recovery service called "Ransom Busters," contacting the victims before the attacks become public and claiming to be able to provide decryption keys and delete stolen data for a fee. [...]
Sakura Internet hack exposes data of up to 1.36 million accounts
Japanese cloud and data center service provider Sakura Internet disclosed that hackers accessed its sales management system, where customer contract and membership information is stored. [...]
No-Filter 'Kriminal' AI Platform Raises Cybercrime Concerns
The AI company officially forbids illicit use, while offering guardrail-free social engineering, offensive cybercrime, and OSINT scanning to anyone with a bit of cryptocurrency.
Healthtech firm CareCloud data breach impacts 3.7 million patients
U.S. healthcare IT company CareCloud disclosed that the data breach incident it suffered earlier this year has impacted more than 3.7 million individuals. [...]
Cloudflare Workers Spectre Attack Leaks JWT From Co-Located Worker at 12 Bits/Second
Cybersecurity researchers have disclosed details of a remote Spectre attack against Cloudflare Workers that leaked a JSON Web Token (JWT) from a co-located Worker in the production environment at up to 12 bits per second, 360 times the rate of an earlier attack demonstrated in 2021. The e
Electronic health record company CareCloud says 3.7 million people affected by breach
Healthcare software firm CareCloud filed documents with the Department of Health and Human Services confirming that 3,756,469 people had information leaked after a hacker spent eight hours in one of the company’s electronic health record environments.
Hackers compromise 14,500 Dahua web cameras in 35-day campaign
In a large-scale campaign that researchers dubbed CameraSwarm, hackers compromised more than 14,500 Dahua IP cameras mostly in Ukraine and Russia. [...]
OpenAI Pauses Frontier RL Training as It Tightens Defenses Against Unsafe AI Behavior
OpenAI on Tuesday revealed that it paused reinforcement learning (RL) training for its latest artificial intelligence (AI) models for two weeks while it shored up additional defenses and increased the scope of its monitoring to avert another Hugging Face-like incident. "As models become more capabl
NSA, FBI warns of hackers using AI-generated tools in attacks on critical infrastructure technology
The National Security Agency (NSA), FBI and other federal agencies said the campaign is targeting Siemens S7 Series PLCs and was being fueled by “AI-assisted development” alongside exploitation of known vulnerabilities.
US warns of AI-powered attacks on Siemens PLCs in critical infrastructure
U.S. cybersecurity agencies warn that threat actors are using AI-generated scripts to exploit Siemens S7 Series programmable logic controllers (PLCs) in U.S. critical infrastructure. [...]
Inside Operation CameraSwarm: How One Actor Took Over 14,000 Dahua Cameras
An exposed operator directory reveals how one actor compromised 14,000+ Dahua cameras across Ukraine and Russia, no password needed for most. A researcher discovered an exposed directory containing the tools of an attacker who compromised more than 14,000 Dahua cameras between June 17 and July 22, 2
SilkParasite Threatens Central Asian Orgs With Flurry of RATs
A spear-phishing campaign by a Chinese-nexus group linked to FamousSparrow provides insight into geopolitical, technical, and strategic global moves by China's APTs.
US charges Iranian hackers over $3.4 billion intellectual property theft
The U.S. has charged 17 Iranians, alleged members of a hacking-for-hire company called Mabna Institute, involved in years-long operations that stole data from American organizations. [...]
Exclusive: Linux Foundation's Akrites to Go Live in September
The Linux Foundation's Akrites initiative will become operational in September, when it will begin accepting AI-powered vulnerability reports for open-source projects
MaaS Campaign Combines ClickFix, ErrTraffic and Cruciferra
eSentire uncovered a malware campaign combining ClickFix lures with ErrTraffic and Cruciferra
Password spraying attacks surge 155x as hackers exploit MFA gaps
Huntress observed a 155x increase in password spraying attacks in H1 2026, including a campaign that generated more than 81 million login attempts in two weeks. The attacks exploited legacy authentication and gaps in MFA policies that left some login flows unprotected. [...]
Grandoreiro Resurfaces in Mexico With New DLL Sideloading Campaign
Grandoreiro is active after its 2024 disruption, with Mexico now accounting for 40% of detections
Latvian officials resign after cyberattack exposes data on 1.2 million people
Latvia’s road traffic agency confirmed that hackers stole data connected to about two-thirds of the country’s population in a major cyberattack that has prompted calls for senior officials to resign.
Virtual Event Today: CodeSecCon – Secure Your Code and Applications
CodeSecCon is the premier virtual event bringing together developers and cybersecurity professionals to revolutionize the way applications are built, secured, and maintained. The post Virtual Event Today: CodeSecCon – Secure Your Code and Applications appeared first on SecurityWeek.
SilkParasite Espionage Campaign Targets Central Asian Governments with Five New RATs
A previously unreported cyber espionage operation dubbed SilkParasite has been observed targeting government bodies in Central Asia. The intrusion set makes use of seven remote access tool (RAT) families, five of which have never been previously documented: DriveSilkRAT, CookiETagRAT, NomadRAT, Gog
US charges Iranians for sprawling hacking campaign on government agencies, universities
The Justice Department accused 17 alleged hackers with ties to the Iranian government of breaching email accounts at U.S. government agencies and stealing intellectual property from dozens of universities.
OpenAI Tightens AI Safeguards Following Hugging Face Incident
OpenAI is strengthening safeguards for its most advanced AI models, citing growing risks as frontier systems gain more powerful cyber capabilities
Prevalent AI Raises $22 Million to Expand Data Fabric Platform
The previously bootstrapped company helps organizations securely and reliably operate AI agents at scale. The post Prevalent AI Raises $22 Million to Expand Data Fabric Platform appeared first on SecurityWeek.
Hackers Compromised 14,500+ Dahua Devices Using Credential Attacks, Auth Bypasses, and P2P
Cybersecurity researchers at Hunt.io have disclosed details of a campaign that they say compromised more than 14,530 Dahua devices between June 17 and July 22, 2026, using credential attacks, two authentication-bypass flaws, and a peer-to-peer (P2P) relay technique. The activity, codenamed Operatio
US Charges 17 Iranian Hackers, Offers $10 Million Rewards for 5 of Them
The 17 members of the Mabna Institute targeted hundreds of universities and organizations in the US and abroad. The post US Charges 17 Iranian Hackers, Offers $10 Million Rewards for 5 of Them appeared first on SecurityWeek.
Phishing 3.0: The Fight Moves to Agent Versus Agent
Most email defenses still do the job they did a decade ago. Scan the message, look for something malicious, block it. That worked when the danger sat in the payload, a bad link or an attachment. It stopped working when the danger moved into the message's intent, and it is failing now that the sender
StopAndProtect Uses Nearly 2,000 Hacked WordPress Sites to Spread Malware and Steal Data
Cybersecurity researchers have flagged a global cybercrime operation that abuses thousands of hacked WordPress websites as infrastructure to disseminate malware, commandeer infected hosts, store stolen documents, screenshots, and activity logs created to track the status of the activity. "The opera
Microsoft fixes known issue causing Windows Defender crashes
Microsoft has resolved a bug that caused Windows Defender to crash after a recent security update, resulting in 0xc0000005 access violation errors on some affected systems. [...]
Cl0p Ransomware Group Names Over 40 Victims of PTC Windchill Campaign
The cybercrime gang has listed major companies such as Shell, Philips, Fiserv, Zebra, Mindray, and Largan Precision. The post Cl0p Ransomware Group Names Over 40 Victims of PTC Windchill Campaign appeared first on SecurityWeek.
Critical macOS, SharePoint, vCenter, and Microsoft IKE Flaws Under Active Exploitation
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added four critical vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, stating they are being exploited in the wild. The shortcomings added to the KEV catalog are listed below - CVE-2026-65400 (CVSS s
Over 500 Critical Infrastructure Organizations Hit by Medusa Ransomware
The FBI warned that the RaaS operation has significantly enhanced its tactics, techniques and procedures, making it harder for defenders to counter
CISA Urges Immediate Patching of Exploited Microsoft, VMware, Apple Vulnerabilities
The flaws can be exploited for remote code execution, authentication bypass, and device takeover. The post CISA Urges Immediate Patching of Exploited Microsoft, VMware, Apple Vulnerabilities appeared first on SecurityWeek.
Critical RCE flaw in Windows IKE Extension now actively exploited
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned that hackers are exploiting a critical-severity remote code execution (RCE) flaw in the Windows Internet Key Exchange (IKE) Service Extensions component. [...]
ICO Urges Police to Improve Data Governance in Facial Recognition Rollouts
The UK’s privacy watchdog has called on police using facial recognition to follow its recommendations
943 Patches Rolled Out With Oracle’s August 2026 Security Update
The fixes resolve over 1,000 vulnerabilities across two dozen products, including over 460 remotely exploitable bugs. The post 943 Patches Rolled Out With Oracle’s August 2026 Security Update appeared first on SecurityWeek.
Microsoft Tracks MacSync Stealer by Its Behavior, Not Its Domains
Microsoft tracked over 30 MacSync Stealer domains by focusing on behavioral patterns, revealing a campaign targeting passwords, keys, wallets and other data. Domain blocking is a losing game when the thing you’re blocking can register a new domain faster than you can add it to a list. ThatR
UK Fraud Cases Hit Record High in 2026
Cifas data finds account takeover and identity fraud are driving a surge in fraud cases
50,000 Stripe Secrets Leaked in Public Code
Over 50,000 exposed Stripe API keys show how leaked secrets can enable fraud, data access and account abuse within hours. Ransomnews researchers have documented a large-scale leak of Stripe merchant API keys found exposed in public code repositories, GitHub Actions logs, and misconfigured web server
Chrome, Firefox Updates Patch Dozens of Vulnerabilities
The bugs could lead to code execution, privilege escalation, sandbox escape, and information disclosure. The post Chrome, Firefox Updates Patch Dozens of Vulnerabilities appeared first on SecurityWeek.
U.S. CISA adds Apple macOS, Microsoft SharePoint, Broadcom VMware vCenter, and Microsoft IKE flaws to its Known Exploited Vulnerabilities catalog
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Apple macOS, Microsoft SharePoint, Broadcom VMware vCenter, and Microsoft IKE flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the following vulnerabilities t
CareCloud Data Breach Impact Grows to 3.7 Million Individuals
The data breach was initially believed to affect roughly 350,000 people, but the HHS breach tracker shows a far bigger impact. The post CareCloud Data Breach Impact Grows to 3.7 Million Individuals appeared first on SecurityWeek.
Microsoft Links 30+ Rotating Domains to MacSync Stealer Infrastructure
Microsoft Defender Experts have linked more than 30 web domains to MacSync Stealer, a macOS-focused information stealer, after correlating recurring endpoint and network behaviors across changing infrastructure, tracing the malware from payload retrieval through data collection, staging, and exfiltr
Clop-Linked Windchill Web Shell Decrypts Credentials and Maps Engineering Data
A JavaServer Pages (JSP) web shell deployed following the exploitation of a critical security flaw in PTC Windchill and FlexPLM servers is specifically designed for the enterprise Product Lifecycle Management (PLM) software, according to new findings from ReliaQuest. The cybersecurity company chara
China-Linked Hacker Shows AI Capabilities in APAC Attack
In the first purported "near-autonomous" attack on a nation-state, a Chinese-language operator used a complex AI framework to target and compromise government agencies, likely in Taiwan.
Critical GitLab Zero-Click Flaw Poses Mitigation Challenges
A lack of technical details could make it hard for organizations running self-managed GitLab versions to detect potential exploitation of CVE-2026-19478.
'CoSnitch' Attack Tricked Copilot into Mapping Out Architecture
Researchers discovered a "meta-hacking" technique that can manipulate the AI service into revealing its own security weaknesses.
Comcast turns your Xfinity WiFi into a home motion detector
Comcast is promoting WiFi-based motion detection as a part of its new Xfinity Shield home protection platform, allowing routers and wireless devices to detect people moving through a home without cameras or motion sensors. [...]
The 'Industrial Accidents' Behind Rogue AI Agent Attacks — and the Sandbox Failures Exposed
Rich Mogull, chief analyst with the Cloud Security Alliance, joins the Dark Reading News Desk with what defenders need to take away from AI agents escaping their environments to launch attacks.
CISOs Break Their Silence in 'Declassified' Docuseries
Million-dollar heists, divorce, and career-ending burnout are all stories told in the latest docuseries revealing a behind-the-scenes look at the cybersecurity community.
More than 200 victims of Medusa ransomware identified over the last year, CISA says
The Cybersecurity and Infrastructure Security Agency (CISA) and FBI updated an advisory on the group initially released in March 2025 — writing that as of April 2026, Medusa actors have hit more than 500 victims. CISA previously said 300 victims, many of which are in critical infrastructure sectors,
Hackers Expose Data of 1.2 Million Heights Finance Customers
A Heights Finance breach exposed personal and financial data of over 1.2 million people after hackers compromised a third-party cloud platform. Heights Finance is a U.S. consumer finance company that provides personal loans and related lending services, mainly to customers who may have limited acces
Microsoft Copilot Personal Flaws Could Let One Click Exfiltrate Data From Connected Apps
Varonis Threat Labs has disclosed three vulnerabilities in Microsoft Copilot Personal that it said could allow a single click on a crafted link to silently pull data from connected apps and other information available to the victim's Copilot session. The flaws, which the researchers collectively na
Attackers Exploit MLflow SSRF Flaw to Steal Cloud Credentials and Secrets
Two critical vulnerabilities impacting MLflow, an open-source artificial intelligence (AI) platform, and FUXA, an open-source, web-based SCADA / HMI software built for operational technology (OT) and industrial automation, are witnessing malicious scanning and exploitation efforts. According to ind
Clop created custom web shell for Windchill data theft attacks
A custom Java web shell likely linked to the Clop ransomware gang was designed specifically for PTC Windchill and FlexPLM servers, with built-in features to decrypt credentials, enumerate file repositories, and steal files. [...]
Project noRecognition: Teaching AI to Fool Surveillance Cameras
Researchers tested 31 million patterns to disrupt surveillance AI, with promising results but significant gaps between simulation and real-world use. The Kansas City-based cybersecurity researcher Bill Swearingen spent the past year doing something that sounds almost too simple to work: printing pat
Ransom Busters Claims It Hacked Ransomware Servers, Asks Victims for Up to $60,000
A ransomware affiliate calling itself Ransom Busters has been spotted proactively sending emails to victim organizations and claims to delete stolen data from ransomware groups' servers in exchange for a fee ranging from $20,000 to $60,000. "In these messages, the third-party offers to help the vic
Berlin cuts two state ministries off government network after security breach
The affected ministries — one responsible for urban development, construction and housing, and the other for mobility, transport, climate protection and the environment — have been isolated from government networks since Friday as a precaution.
University of Texas forced to take systems offline in San Antonio after cyberattack
The University of Texas at San Antonio, which serves 40,000 students across six campuses, said its IT team identified threat activity on its academic campus over the weekend and took some systems, including phones, offline in response.
Wiz AI Agent Finds Critical Snowflake GitHub Repo Flaw Advanced Security Missed
The security flaw in Snowflake’s GitHub Actions workflow had been missed by a GitHub Advanced Security scan, said a Wiz researcher
Las noticias se actualizan automáticamente cada 24 horas desde fuentes verificadas. El contenido es resumido por IA (Gemini) para proporcionar información rápida y precisa.