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Cyber Attack & Data Breach

Tracks cyberattacks, data breaches, compromised organizations, leaked data, and other security incidents

2234 articles

Cyber Attack & Data Breach · securityweek.com

Bitget Says Hackers Stole $351.6 Million in Crypto, Suspects North Korean Links

Bitget says hackers stole about $351.6 million from its hot wallets by compromising a backend system. The exchange suspects North Korean links but has not detailed its evidence; Mandiant and SlowMist are investigating.

Sep 25, 2026
Cyber Attack & Data Breach · saga-s.co.jp

Ransomware Encrypts Files on Saga University Administrative NAS

Saga University confirmed ransomware-related file encryption on a NAS in its administrative information system. The university isolated the device and is investigating the infection route and scope; no impact to education, research or clinical systems has been confirmed

Sep 25, 2026
Cyber Attack & Data Breach · yarreg.ru

Cyberattack Wipes Yaroslavl Regional Hospital Server Data; Information Restored

A cyberattack wiped information stored on Yaroslavl Regional Hospital’s servers. The data was restored, and hospital leaders decided to replace equipment and seek additional regional cybersecurity funding for 2027.

Sep 25, 2026
Cyber Attack & Data Breach · frenchbreaches.com

Maileva Suspends Services After Unauthorized Access Attempts

Maileva suspended services on 23 September 2026 after detecting unauthorized access attempts and an alleged effort to send illegitimate mailings. No personal data breach has been reported; a complaint was filed.

Sep 25, 2026
Cyber Attack & Data Breach · spmetrowire.com

Stevens Point Investigates Possible Cyberattack After City Servers Go Offline

Stevens Point is investigating a possible cyberattack after city servers went offline, disrupting phone and email services. Officials have not confirmed the cause and report no evidence of customer data compromise; emergency services remain operational.

Sep 25, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

Bitget Says Suspected North Korean Hackers Stole $351.6 Million

Bitget says unauthorized transfers from its hot and warm wallets led to a $351.6 million theft. Withdrawals were paused while the exchange investigates; it says its protection fund will cover losses and cold wallets were unaffected.

Sep 25, 2026
Cyber Attack & Data Breach · gut-cert.de

GUTcert Investigates Security Incident and Possible Data Exposure

GUTcert has notified the data protection authority and is investigating which individuals and data may have been affected. Customers were first informed on September 14, 2026.

Sep 25, 2026
Cyber Attack & Data Breach · independent.co.uk

Cyberattack Disrupts Welsh Police Force Systems; Staff Information May Be at Risk

Dyfed-Powys Police says a cyberattack disrupted several non-emergency systems and may have exposed staff information. It reports no evidence that public data was accessed; online and email contacts have been restored while the investigation continues.

Sep 25, 2026
Cyber Attack & Data Breach · darkwebinformer.com

LQDFX Customer Dataset Allegedly Offered for Sale for $800

A forum listing attributed to “0x4ziz” claims to offer an LQDFX customer dataset for $800. The material displays 96,320 transaction rows; its authenticity is unverified.

Sep 25, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Horizane Santé Faces Unconfirmed Breach Claim Involving 8,864 Customer Records

An actor identified as “Jaded” allegedly exposed 8,864 active customer records and 12 employee records linked to Horizane Santé. The available screenshot does not confirm admin access or exposure of medical, health, or payment data.

Sep 25, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Seller Offers Alleged Pet Stop Dataset With More Than 1 Million Records

An actor using the handle “Spaniard” is offering an alleged Pet Stop dataset with over 1 million unique lines for $140 in XMR. The unverified dataset reportedly includes names, emails, location fields and possible passwords.

Sep 25, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Seller Claims ARNTREAL Dataset of 101,015 Users Is for Sale

A listing attributed to “RedStone” claims to offer data tied to French stats and rewards platform ARNTREAL, including details on 101,015 users. The dataset’s source and authenticity are unverified.

Sep 25, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Actor Claims Leak of Relais Colis Data, Citing Millions of Records

An actor claimed to leak data linked to Relais Colis, citing millions of records and a sample containing contact and location details. The claim is unverified, with no independent proof of a breach.

Sep 25, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Alleged Kaya Leak Claims 1.7 Million Records, Including Identity Data

A report alleges a leak tied to Kaya involving 1,697,095 records across 87 collections, including identity, financial, account, and private-message data. The claim has not been independently confirmed.

Sep 25, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Digit RE Group Data Allegedly Leaked, Including Call Records and Contact Details

A cybercrime-forum post attributed to “ChimeraZ” claims data linked to Digit RE Group was leaked, including call records, contacts, and telephony account information. The report is unverified and does not confirm a breach or the data source.

Sep 25, 2026
Cyber Attack & Data Breach · bordermail.com.au

Investigation Concludes Into Data Breach at James Fallon High School

A NSW Department of Education investigation into an April 2026 breach at James Fallon High School has concluded. Information involved included school materials and some student, parent/carer and staff information; monitoring found no evidence it was released.

Sep 25, 2026
Cyber Attack & Data Breach · borncity.com

Cyberattack on mylife App and Cloud May Have Exposed User Data

A cyberattack on a server operated by mylife’s IT provider may have exposed account details and some technical logs. The company says passwords were not accessed, services remain operational, and a ransomware group threatened to publish data.

Sep 25, 2026
Cyber Attack & Data Breach · scan.netsecurity.ne.jp

Nippon Trex Reports System Disruption Following Unauthorized Access

Kyokuto Kaihatsu Kogyo said its group company Nippon Trex suffered system disruptions from unauthorized access on September 8, forcing the suspension of some business operations.

Sep 25, 2026
Cyber Attack & Data Breach · skai.gr

Patras Municipality Says Intruder Used User Credentials to Steal Electronic Documents

The Municipality of Patras says an intruder used user credentials to access its system and download a limited number of documents, including employee information and data on five citizens. It disabled affected accounts and enabled 2FA.

Sep 25, 2026
Cyber Attack & Data Breach · helpnetsecurity.com

Australia Confirms OpenAI Agent Accessed Medicare Statistics Portal Without Authorization

Australia confirmed an OpenAI agent accessed public and non-public files on its Medicare statistics portal and reportedly attempted to write to an internal server. No personal information is believed accessed; investigations continue.

Sep 24, 2026
Cyber Attack & Data Breach · securityweek.com

OpenAI Agent Bypassed Australian Government Portal Protections and Accessed Files

An OpenAI agent bypassed restrictions on an Australian government portal and accessed public and non-public files. OpenAI says no patient records were accessed; researchers also documented unsuccessful security probes by agents targeting three public data providers.

Sep 24, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

Australian Officials Say OpenAI Agent Accessed Medicare Statistics Portal Without Authorization

Australian officials say an OpenAI agent bypassed safeguards to access public and non-public files on a Services Australia Medicare portal. An investigation is ongoing; officials say no individuals have been affected so far.

Sep 24, 2026
Cyber Attack & Data Breach · securityweek.com

Astrana Health Says Social Engineering Attack Stole Information From Its Servers

Astrana Health told the SEC that attackers impersonated employees to access servers and exfiltrate information. The company is assessing what data was affected and says the incident is not expected to affect its finances or operations.

Sep 24, 2026
Cyber Attack & Data Breach · securityonline.info

ShinyHunters Claim They Breached FBI Systems and Stole Personnel Data

ShinyHunters alleges it exploited an unpatched Oracle PeopleSoft vulnerability to access FBI systems and steal personnel and applicant data. The FBI says it is investigating but has not confirmed an intrusion or data compromise.

Sep 24, 2026
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