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1213 result(s) for "OT" — 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 Breaches & leaks

⚡ Weekly Recap: Helpdesk 0-Days, Rogue Certs, ShinyHunters Arrest, AI-Fooling Malware and More

Some meetings last longer than it took attackers to jump on a newly disclosed security flaw this week. Within hours, they were already testing it. That's not m…

DataBreaches.net
DataBreaches.net Breaches & leaks

French supermarket chains say cyberattack forced refrigerator shutdown

AFP reports: Major French supermarket chains Intermarche and Cooperative U were hit by a cyberattack that caused their refrigerators to defrost, the two retail…

The Hacker News
The Hacker News Breaches & leaks

Ledger Finds Unauthorized Hardware Implant in CryptoBilis-Sold Wallet Amid Fund Theft Reports

Cryptocurrency hardware maker Ledger has temporarily paused sales of its products via CryptoBilis following reports of stolen funds linked to devices sold by t…

The Record
The Record Breaches & leaks

Hundreds of thousands impacted by data breach at biosensor firm iRhythm

A company known for wearable cardiac sensors, iRhythm, has begun notifying states of the impact of a data breach from the summer.

BleepingComputer
BleepingComputer Breaches & leaks

FBI disrupts Chinese hacking tools used to breach critical infrastructure

The FBI has seized seven domains used by Chinese state-sponsored hackers known as Flax Typhoon to operate two hacking tools, MicroScan and FishHub, used in att…

The Record
The Record Breaches & leaks

International coalition seizes tools used by cyber firm behind Flax Typhoon

The U.S. and other nations took down digital tools and infrastructure by Beijing-based Integrity Tech that allowed "widespread vulnerability scanning and, in s…

The Hacker News
The Hacker News Breaches & leaks

FBI Says China-Linked Hackers Ran Portal Giving Third Parties Access to Stolen Emails

Hackers tied to a Chinese cybersecurity company stole email from government organizations, law enforcement agencies, healthcare systems, and religious institut…

The Hacker News
The Hacker News Breaches & leaks

ThreatsDay: Ransomware Affiliate Betrayal, WhatsApp RAT, Exposed Hacker Tools and 12 More Stories

The crooks have trust problems of their own. One ransomware affiliate decided to keep the profits for himself. Elsewhere, an attacker left a server exposed, co…

The Hacker News
The Hacker News Breaches & leaks

Japan Sees Sharp Rise in Web Data Leaks Amid Mobile API Abuse and Metabase Attacks

Attackers behind a string of personal data leaks at Japanese organizations have abused APIs for mobile apps and targeted known software flaws, the JPCERT Coord…

DataBreaches.net
DataBreaches.net Breaches & leaks

KR: Coupang files lawsuits against 620 billion won fine over data leak

The Coupang breach in South Korea has stayed in the news cycle for nine months and may offer a useful case study in how not to respond to an incident. In Decem…

The Hacker News
The Hacker News Breaches & leaks

Tensorlake npm Package Compromised to Deliver Shai-Hulud Credential-Stealing Worm

The npm package known as "tensorlake," a TypeScript software development kit (SDK) for Tensorlake applications, sandboxes, and cloud services, was compromised …

DataBreaches.net
DataBreaches.net Breaches & leaks

Known Cybersecurity Expert and Owner of Florida Ransomware Remediation Company Charged with Defrauding Clients

Here’s another case where the folks who were supposed to be the good guys helping you may be harming you. Zohar Pinhasi, 50, also known as “Zack Silver” and “Z…

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 Hacker News
The Hacker News Breaches & leaks

Eight Malicious npm Packages Downloaded 40,767 Times Deliver Overlord RAT and Stealer

Cybersecurity researchers have disclosed details of a long-running npm supply chain malware campaign that pushes information stealers and remote access trojans…

BleepingComputer
BleepingComputer Breaches & leaks

Ransomware has a new target. Is your backup ready?

Ransomware groups are increasingly targeting backup infrastructure to eliminate recovery options and increase pressure on victims to pay. Kaseya explains why o…

The Record
The Record Breaches & leaks

Senate passes healthcare cybersecurity bill after 190 million impacted by Change Healthcare breach

The Health Care Cybersecurity and Resiliency Act of 2026 was passed by unanimous consent last week, potentially expanding federal cyber requirements for health…

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.…

The Hacker News
The Hacker News Breaches & leaks

100+ Compromised Websites Use Fake Cloudflare Checks to Deliver LunexStealer

The Computer Emergency Response Team of Ukraine (CERT-UA) has identified more than 100 compromised websites that have been injected with malicious JavaScript t…

DataBreaches.net
DataBreaches.net Breaches & leaks

Engineer sentenced for locking over 3,000 devices on employer’s network

Sergiu Gatlan has an update on a case previously noted on this site. A former core infrastructure engineer at an industrial company headquartered in New Jersey…

DataBreaches.net
DataBreaches.net Breaches & leaks

FBI Blames Contractor’s Missed Patch for ShinyHunters Breach

Eduard Kovacs reports: The FBI has removed an Accenture contractor over a data breach that exposed personal information of thousands of bureau employees, Reute…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

OpenSSL Vulnerability Can Leak Server Memory Through DTLS

OpenSSL issued fixes on Sep 29, 2026 for an OpenSSL vulnerability that can send unrelated program memory to another party during secure connection setup.

OpenSSL

The Hacker News
The Hacker News Breaches & leaks

⚡ Weekly Recap: NetScaler and FortiMail 0-Days, AI Coding Leaks, Spectre v2 and Ransomware Arrests

A blank field. A public repo. One reply to an email. A box left exposed. None of this sounds dramatic, which is partly the problem. This week’s threats keep fi…

Citrix Fortinet

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

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