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Cyber Attack & Data Breach

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

2316 articles

Cyber Attack & Data Breach · dailydarkweb.net

Alleged UPLUS Data Breach Exposes Client and Sales-Lead Data

A 14MB database allegedly belonging to Thai organization UPLUS was posted to a cybercrime forum. Reported contents include two CSVs with client and sales-lead personal information and internal business fields; the breach is not independently confirmed.

Feb 24, 2026
Cyber Attack & Data Breach · helpnetsecurity.com

Advantest Confirms Ransomware Attack; Investigation Ongoing

Advantest says unusual IT activity detected on February 15 led to a ransomware investigation. The company isolated affected systems and engaged cybersecurity experts; data impact and significant operational disruption remain unconfirmed.

Feb 24, 2026
Cyber Attack & Data Breach · dailydarkweb.net

GVM Technologies Breach Allegedly Exposes Student Passport Data

GVM Technologies, operating as GradSmart, reportedly suffered unauthorized access to a misconfigured MongoDB database. An unnamed actor claims over 2,000 student records, including at least 205 passport numbers, were exfiltrated.

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

Optimizely Confirms Data Breach After Vishing Attack

Optimizely says vishing attackers accessed internal systems and stole basic business contact information from CRM records and limited back-office documents. The company reports no evidence of access to sensitive customer data and warns of follow-up phishing; ShinyHunTER

Feb 23, 2026
Cyber Attack & Data Breach · therecord.media

Air Côte d’Ivoire Confirms Cyberattack That Disrupted Information Systems

Air Côte d’Ivoire confirmed a February 8 cyberattack that affected parts of its information systems and prompted business continuity measures. INC claims it stole 208 GB of data; authorities and experts are investigating.

Feb 23, 2026
Cyber Attack & Data Breach · dailydarkweb.net

Threat Actor Claims 3.6 TB ANSI Archive Was Exfiltrated

A hacker-forum post claims a threat actor exfiltrated a 3.6 TB archive from an ANSI internal vault, including more than 25,200 documents and committee records. The article provides no independent confirmation of the claim.

Feb 23, 2026
Cyber Attack & Data Breach · stepsecurity.io

Malicious Cline 2.3.0 Release Silently Installed OpenClaw

StepSecurity reports that cline 2.3.0, published on npm on Feb. 17, contained a post-install script that silently installed OpenClaw. About 4,000 downloads were recorded before maintainers deprecated it roughly eight hours later.

Feb 17, 2026
Cyber Attack & Data Breach · sweetfm.fr

Bourg-Achard Municipality Reports Cyberattack and Data Leak

Bourg-Achard says a cyberattack on its municipal IT services on January 29 caused a data leak. The town strengthened security, notified authorities and urged residents to watch for fraudulent calls, texts and emails.

Feb 4, 2026
Cyber Attack & Data Breach · wiz.io

Moltbook Database Exposure Revealed Agent Tokens, Emails and Private Messages

Wiz says a misconfigured Supabase database exposed Moltbook agent tokens, email addresses, private messages and write access. The team secured the database after coordinated disclosure; Wiz says data accessed during research and verification was deleted.

Feb 2, 2026
Cyber Attack & Data Breach · dapeer.com

Office Peeps Reports Unauthorized Access to Files Containing Customer Names

Office Peeps reported an unauthorized actor accessed and acquired files during an October–November 2025 intrusion. Names were confirmed exposed; other data elements and the number affected were not disclosed. The company says it secured its network and offered identity-

Jan 30, 2026
Cyber Attack & Data Breach · news.ikbc.co.kr

Ransomware Attack Disrupts Imaging Workflow at Chonnam National University Hospital

Chonnam National University Hospital said a ransomware-classified cyberattack disrupted remote access to imaging results. It restored its network the same day; no disruption to surgery or treatment, or patient data leak, was reported.

Jan 27, 2026
Cyber Attack & Data Breach · thedfirreport.com

Lynx Ransomware Attack Began with Compromised RDP Credentials

Attackers used valid RDP credentials to enter a network, create privileged accounts, exfiltrate files, and deploy Lynx ransomware on backup and file servers over a nine-day intrusion.

Dec 17, 2025
Cyber Attack & Data Breach · hunt.io

React2Shell Exploited to Gain RCE on Production Next.js App

A Hunt IO investigation found attackers exploited React2Shell (CVE-2025-55182) on a production Next.js app, confirmed command execution, and attempted to deploy malware and persistence. Container restrictions blocked much of the activity, but logs showed integrity alert

Dec 10, 2025
Cyber Attack & Data Breach · darktrace.com

DragonForce-Linked Ransomware Attack Exfiltrated Data Before Encrypting Manufacturing Systems

Darktrace describes a manufacturing customer attack involving scanning, credential brute-forcing, data exfiltration over SSH, and file encryption over SMB. The ransom note claimed DragonForce affiliation, which the case study says is unconfirmed.

Nov 5, 2025
Cyber Attack & Data Breach · huntress.com

Huntress Reports SonicWall SSLVPN Compromises Across 16 Customers

Huntress observed more than 100 SonicWall SSLVPN accounts compromised across 16 customer environments, with activity beginning October 4. Some intrusions included network scanning and attempts to access local Windows accounts.

Oct 10, 2025
Cyber Attack & Data Breach · darktrace.com

Akira-Linked SonicWall Intrusion Exfiltrated 2 GB Before Darktrace Contained the Attack

Darktrace describes a suspected Akira intrusion at a US customer involving a SonicWall VPN, credential abuse, lateral movement, and about 2 GB of data exfiltration. MDR and automated response helped contain activity before further escalation.

Oct 9, 2025
Cyber Attack & Data Breach · wiz.io

Malicious Nx npm Packages Steal Developer Secrets and Expose Private GitHub Repositories

Malicious Nx package versions published August 26, 2025, harvested developer secrets and exposed data in public GitHub repositories. Stolen tokens were later used to publish more than 5,500 private repositories; Wiz recommends removing affected versions and rotating at‑

Aug 27, 2025
Cyber Attack & Data Breach · cloudsek.com

Exposed Git Repository Leaks Vendor Source Code, Credentials and Automotive Customer Data

CloudSEK reports that a vendor’s publicly accessible .git repository exposed over 20 GB of source code, credentials, customer and merchant PII, and financial documents linked to automotive services in India.

Aug 14, 2025
Cyber Attack & Data Breach · cloudsek.com

Unsecured API Exposed Data of More Than 50,000 Azure AD Users

An unauthenticated API endpoint issued overprivileged Microsoft Graph tokens, making data associated with more than 50,000 Azure AD users—including executive information—accessible.

May 30, 2025
Cyber Attack & Data Breach · darktrace.com

Darktrace Blocks Suspected AsyncRAT Activity in Customer Network

Darktrace detected a customer device connecting to suspected AsyncRAT infrastructure in late 2024 and blocked suspicious connections, halting the compromise before sensitive data was exfiltrated.

May 13, 2025
Cyber Attack & Data Breach · darkowl.com

4chan Hack Exposed Staff and User Data, Disrupted Site for Over a Week

4chan went offline in April 2025 after a hacker reportedly accessed its backend. Reports described leaked source code, staff information, archived posts and 4chan Pass user data; the site later returned with apparent security changes.

May 7, 2025
Cyber Attack & Data Breach · cloudsek.com

Exposed .env Credentials Enabled Unauthorized Access to BWSSB Database and 291,000 Applicant Records

CloudSEK reports that exposed database credentials in a publicly accessible .env file enabled root-level access to BWSSB’s database, compromising more than 290,000 applicant records. The credentials were later invalidated; a claimed backdoor was unverified.

Apr 29, 2025
Cyber Attack & Data Breach · cloudsek.com

Unprotected APIs Expose Data on More Than 33,000 Employees, CloudSEK Reports

CloudSEK’s BeVigil scanner found unauthenticated API endpoints at an unnamed technology service provider, exposing more than 33,000 employee records and internal asset and project information.

Apr 15, 2025
Cyber Attack & Data Breach · cloudsek.com

Exposed Bank Backup File Revealed Customer Data, Credentials and Cryptographic Keys

A security assessment found a publicly accessible backup file containing bank customer data, credentials, authentication tokens, cryptographic keys, logs and decompiled source code. The article recommends securing backups and rotating exposed credentials.

Apr 11, 2025
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