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Cyber Attack & Data Breach

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

2227 articles

Cyber Attack & Data Breach · rocket-boys.co.jp

Ransomware Attack Shuts Down Nearly 500 Osaka Metropolitan University Servers

A ransomware attack on Osaka Metropolitan University’s virtualization infrastructure took nearly 500 servers offline and encrypted many backups. Systems across five campuses are affected; personal data may be involved, and classes are suspended through October 9.

Oct 5, 2026
Cyber Attack & Data Breach · vrt.be

Cyberattack at Bernardus Schools Exposes Data of 4,200 Students and Staff

A cyberattack on Bernardus Schools in Oudenaarde stole personal data belonging to about 4,200 students and staff, including national registry numbers and teachers’ home addresses. The school blocked accounts, began password resets and filed a police complaint.

Oct 5, 2026
Cyber Attack & Data Breach · indianagazette.com

Indiana Area School District Reports Cybersecurity Incident, No Data Exposure Identified

Indiana Area School District reported a cybersecurity incident on Sunday evening. The district says it has found no indication that student, staff, or financial data was compromised and is continuing its assessment.

Oct 5, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Unverified Claim Says 29,018 Nueva EPS Records Were Leaked

An actor claims to have leaked 29,018 Nueva EPS records from Colombia’s Vaupés region, including personal and health data, and says about 11 million more records exist. The claim and data have not been independently verified.

Oct 5, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Unverified Claim Says Saudi Intelligence Database Exposes Officer and Operational Records

An actor using the handle UWAYS claims to have published a database linked to Saudi Arabia’s General Intelligence Presidency. The dataset’s authenticity, source and availability have not been independently verified.

Oct 5, 2026
Cyber Attack & Data Breach · securityweek.com

Healthcare Breaches at Clover Health and AngMar Affect More Than 250,000 People

Separate breaches at Clover Health and AngMar Management Services exposed personal and health information. Clover reported 138,677 affected people; AngMar reported 126,196.

Oct 5, 2026
Cyber Attack & Data Breach · bbc.com

Bristol City Council Took Four Days to Shut Down Schools System After Cyber Attack

Bristol City Council noticed suspicious activity on its schools-management platform on 21 September and shut it down on 25 September. The attack affected 87 schools; the council said it had found no evidence of data theft.

Oct 5, 2026
Cyber Attack & Data Breach · securityonline.info

Misuse of CPR Register Access Exposes Personal Data of About 8.8 Million People in Denmark

Unknown actors misused a private company’s lawful access to Denmark’s CPR register, exposing names, addresses and CPR numbers for about 8.8 million people. Authorities cut off the company’s access and police are investigating.

Oct 5, 2026
Cyber Attack & Data Breach · abbott.com

Abbott Says Vishing Attack Accessed Cancer Diagnostics Systems; Personal Data Review Underway

Abbott says a vishing attack led to unauthorized access to a limited number of Cancer Diagnostics systems. Some files contain personal or health information, which Abbott is reviewing; it reports no impact on operations or patient services.

Oct 5, 2026
Cyber Attack & Data Breach · todoalicante.es

Elche Municipal Company Says AI-Assisted Attack Exposed Bicielx User Data

Pimesa says an attack on its Bicielx platform exposed some users’ personal data but did not interrupt service. The suspected attacker reportedly admitted involvement and was referred to judicial authorities.

Oct 5, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

South Korea investigates bank breaches amid suspected AI-assisted attacks

South Korean authorities are investigating breaches affecting Shinhan, Kookmin and Hana banks. Reports cite customer data leaks, but authorities have not confirmed a link to AI tools or identified the attackers.

Oct 5, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

Denmark Population Registry Breach Exposes Data of 8.8 Million People

Denmark's Central Population Register says attackers misused a private company's access and brute-forced CPR numbers to access personal data on about 8.8 million people. The company's access has been blocked, and police are investigating.

Oct 5, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

DTU Breach May Expose Personal Data of Up to 200,000 People

Attackers used compromised credentials to access DTU’s DTUBasen identity system and download data potentially belonging to up to 200,000 current and former users. DTU is notifying affected people and warning of phishing and identity-fraud risks.

Oct 3, 2026
Cyber Attack & Data Breach · therecord.media

Ransomware Attack Disrupts Vicksburg Systems and Utility Payments

A ransomware attack temporarily shut down Vicksburg’s computer systems, disrupting utility payments but not emergency services. The city is investigating possible access to personal or confidential information with help from federal, state, and private cybersecurity.

Oct 2, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Actor Claims CNAM Dataset of 882,918 Records Is for Sale

An actor using the handle Syrv4x claims to offer 882,918 CNAM records containing names, birth details and identifiers. The dataset and its source have not been independently verified.

Oct 2, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

Frontline Education Breach Exposes School District Employees’ Personal Data

Attackers exploited a third-party application vulnerability to access Frontline Education systems and steal employee data, including Social Security numbers. The company says it fixed the issue and is offering identity protection to affected people.

Oct 2, 2026
Cyber Attack & Data Breach · sysdig.com

AI Agent Used Two Zammad Zero-Days to Breach DIVD and Exfiltrate Data

DIVD says an autonomous AI agent exploited two Zammad zero-days to gain root access and exfiltrate data. The nonprofit confirmed volunteer email addresses were stolen; its investigation is ongoing.

Oct 2, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Actor Claims to Sell Data Linked to Morocco’s Investment Ministry

An actor claims to be selling more than 400 GB of data linked to Morocco’s investment ministry, including records on over 50,000 investors. The dataset, its source and the actor’s claims have not been independently verified.

Oct 2, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Unverified Listing Claims 10,343 FMG Sales & Marketing Records, Including Sensitive Personal-Data Fields

A threat actor using the handle Syrv4x advertised a free 7 MB dataset allegedly containing 10,343 FMG Sales & Marketing records. The dataset, its source, contents and availability have not been independently verified.

Oct 2, 2026
Cyber Attack & Data Breach · bluewin.ch

Beyond Gravity Says It Was Targeted in a Cyberattack

The aerospace supplier said it detected signs of malicious activity in its IT environment on August 12. It is investigating with Switzerland’s Federal Office for Cybersecurity and Mandiant; the attacker’s identity remains unknown.

Oct 2, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Actor Claims Explorest User Dataset of 263,900 Accounts for Sale

An actor using the handle “888” claims to offer Explorest data for a one-time XMR payment, including account and device details for 263,900 users. The dataset, its source and the claimed scope remain unverified.

Oct 2, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Seller Claims FitnessBoutique Customer Dataset With 1.96 Million Records Is for Sale

A seller using the handle Syrv4x claims to offer 1.96 million FitnessBoutique customer records for $750. The dataset’s authenticity, source, size and availability have not been independently verified.

Oct 2, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Seller Claims to Offer Royal Belgian Football Association Dataset with 346,685 Names

A seller using the handle RedStone claims to offer an RBFA dataset containing 346,685 unique names and other personal and organizational data. The listing and its claims have not been independently verified.

Oct 2, 2026
Cyber Attack & Data Breach · lrt.lt

Reported Holiday Inn Data Leak Exposes 500+ Customers After Ransom Was Unpaid

EcomWall reported that the SafePay group stole and published data linked to Holiday Inn Vilnius, including information on 500+ customers and over 100 employees. The hotel says authorities are investigating.

Oct 2, 2026
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