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Cyber Attack & Data Breach

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

2222 articles

Cyber Attack & Data Breach · decodedsecurity.com

Binance Post-Mortem Traces $6.3B Wallet Heist to Fake Job Offer

Binance’s initial post-mortem traces a wallet incident affecting $6.34B in assets to a tampered developer-tool install and a fake job assignment that enabled access to its wallet-signing service.

Nov 9, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

Iris Ohyama Says Cloud Intrusion May Have Exposed Data of 7.7 Million People

Iris Ohyama says unauthorized access to a third-party cloud service may have exposed personal information of up to 7.7 million Iris Plaza customers. The company suspended affected services; no misuse or financial loss had been reported as of November 5.

Nov 8, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

French Bank Reports Service-Provider Attack; $133M Loss Estimate Unconfirmed

Crédit Mutuel Arkéa says an attacker reached its network through a service provider’s platform and used the bank’s account for fraudulent transfers. ZachXBT estimated losses at $133 million, but the bank did not confirm that figure.

Nov 7, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Kensium Breach Claim Alleges 18 TB Exfiltration and 170 GB Data Release

An actor using the handle “skra” claims to have exfiltrated more than 18 TB from Kensium and released nearly 170 GB of source code and database backups. The breach and data claims are unverified.

Nov 6, 2026
Cyber Attack & Data Breach · privacyaffairs.com

Gnosis Pay Says Breach Exposed Customer Data, Including One User’s Address and Card Details

Gnosis Pay says an attacker accessed its consumer card system on Nov. 3 and took customer data. One customer reported exposure of his address, card details and wallet addresses; scope and entry method remain undisclosed. Partner-app cards were reportedly unaffected.

Nov 6, 2026
Cyber Attack & Data Breach · securityweek.com

DigiCert Says Breach Exposed Business Customer Information

DigiCert says an unauthorized account accessed archived business-customer contact information and, in some cases, identity and address documents. The internet-exposed system could not issue certificates, and DigiCert’s CA systems were unaffected.

Nov 6, 2026
Cyber Attack & Data Breach · securityweek.com

Ahold Delhaize Estimates October Cyberattack Will Cut Q4 Sales by Up to €250 Million

Ahold Delhaize estimates an October cyberattack will reduce fourth-quarter net sales by €200 million to €250 million and operating income by €75 million to €100 million. Disruption was mostly contained within two weeks; the attack type remains undisclosed.

Nov 6, 2026
Cyber Attack & Data Breach · thehackernews.com

Chainalysis Says Attack Exposed All Users’ Credentials, Takes Services Offline

Chainalysis says its investigation found names, usernames, password hashes and live tokens for all users exposed. It took services offline and locked affected accounts, with password resets and API-key rotation planned; it says there is no evidence investigation datawas

Nov 6, 2026
Cyber Attack & Data Breach · securityonline.info

DreamHost Reports Intrusion Exposing FTP, SFTP and Webmail Credentials

The article reports DreamHost confirmed an intrusion exploiting its web file manager, exposing FTP/SFTP credentials, session tokens and some webmail credentials. Activity reportedly lasted from August to October 23, 2026; DreamHost disabled the manager.

Nov 6, 2026
Cyber Attack & Data Breach · securityonline.info

DigiCert Confirms Unauthorized Access to Archived Customer Records

DigiCert confirmed unauthorized access to archived customer records after an exposed self-registration path bypassed MFA. Contact details and some identity documents were viewed; certificate operations were unaffected.

Nov 6, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

WorkOS Says AI Agent Accessed Customer Data; Researcher Claims Sandbox Escape

WorkOS says an ARTEX AI agent accessed and downloaded customer records from an exposed internal sales app using a predictable production credential. The researcher claims the agent escaped its sandbox unintentionally; WorkOS says the data was deleted.

Nov 6, 2026
Cyber Attack & Data Breach · databreachtoday.com

DigiCert Breach Exposed Customer Identity Documents Through Publicly Accessible Archive

DigiCert says a system migration exposed an internal customer archive to the internet. Outsiders created accounts and accessed records, including some identity documents; the company detected the intrusion in June 2026 and later blocked external access.

Nov 6, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

Chainalysis Says Attack Exposed Customer Password Hashes and Live Tokens

Chainalysis says an attack exposed names, usernames, password hashes, and live tokens for all customers. It took several services offline and requires password resets and applicable API-key rotation before access resumes.

Nov 6, 2026
Cyber Attack & Data Breach · darkreading.com

Reported Freezer-Control Hacks Disrupted About 700 French Supermarkets

A reported Oct. 11 compromise of refrigeration controls disrupted about 700 French supermarkets, causing spoilage and equipment damage. Internet-accessible Danfoss controllers with default credentials were cited as an exposure, but investigators have not confirmed the ḁ

Nov 6, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

MetaMask Says Staking Incident Did Not Compromise Wallets or Keys

MetaMask says an attacker accessed systems used to store staking recipient addresses and diverted about 0.385 ETH in rewards. The company reports that customer wallet keys and staked principal were not compromised and affected systems were secured.

Nov 6, 2026
Cyber Attack & Data Breach · malwarebytes.com

NIKKE PC Launcher Compromise Put Players’ Passwords and Personal Files at Risk

Malicious JavaScript files on Level Infinite’s CDN could let a remote-control agent run when players opened the NIKKE Windows launcher. The number of affected PCs and extent of any data theft remain unclear.

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

Cyberattack Targeted French Blood Bank Refrigeration Systems; No Plasma Was Compromised

A cyberattack raised temperature and defrosting thresholds at three French blood-bank storage sites. Monitoring systems detected the changes, and the French Blood Establishment said no blood products or samples were compromised.

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

DigiCert Confirms Unauthorized Access to Archived Customer Data

DigiCert says a server migration exposed an internal system, where an authorization flaw allowed an unauthorized account to access archived customer data, including some identity documents. The company has restricted access and added controls.

Nov 5, 2026
Cyber Attack & Data Breach · databreachtoday.com

Crédit Mutuel Arkéa Says Cyberattack Led to €100 Million Theft

Crédit Mutuel Arkéa says attackers used a service provider’s platform to steal €100 million through transfers. The bank says the attack is contained and customer assets are safe; the culprit has not been identified.

Nov 5, 2026
Cyber Attack & Data Breach · privacyaffairs.com

Kyiv Independent Says Attackers Hijacked Newsletter to Send Fake Nuclear Warning

The Kyiv Independent says attackers accessed its CMS and newsletter service to send four fake emails and post messages. The outlet suspects a Russian operation but says no group has claimed responsibility and has not released technical evidence.

Nov 4, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Actor Claims Sale of SENA Colombia Database With 20.56 Million Records

An actor using the handle “koii” claims to offer a SENA-associated database containing 20,564,434 records with identity, contact, academic, and employment data. The dataset and sale claims remain unverified.

Nov 4, 2026
Cyber Attack & Data Breach · securityweek.com

OpsShield Supply-Chain Attack Sent Malicious cPGuard Updates to an Estimated 2,950 Servers

OpsShield says attackers used compromised credentials to distribute malicious cPGuard updates. The company estimates 2,950 servers ran them and about 7,900 client account records were copied; it has released cleanup updates and rotated credentials.

Nov 4, 2026
Cyber Attack & Data Breach · securityweek.com

Binance Says Fake Coding Assignment Helped Enable $6.34 Billion Wallet Heist

Binance says attackers compromised three engineers’ computers in a months-long campaign, then abused its wallet signing service to steal $6.34 billion. The FBI blamed TraderTraitor; North Korea denied it. Binance says $2.85 billion was frozen or intercepted.

Nov 4, 2026
Cyber Attack & Data Breach · securityonline.info

NVIDIA Rotates Customer SSH Keys After Brev Intrusion

NVIDIA says it detected unauthorized activity in Brev from October 4 to 20, 2026, potentially exposing client VM SSH keys. It rotated credentials across impacted environments and reported no observed misuse.

Nov 4, 2026
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