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DomainAll Cyber AIWindow24h 3d 7d 30d AllIn the wild Important only Show duplicates

CategoryAll Vulnerability 236 AI research 194 AI safety & security 176 Advisory 162 AI industry 157 Exploit / PoC 142 Research 133 Industry 116 Policy & legal 64 Tools 63 Malware 61 Threat actor 54 Data breach 54 Phishing & fraud 47

SeverityAll critical 77 high 311 medium 328 low 100 info 951

Leaks, data breaches, and ransom notes: The worst hacks of 2026 so far

TechCrunch's 2026 roundup covers SSA data exposure, Iranian water-utility attacks, Klue breach hitting ~200 firms, and Meta AI chatbot account hijacks.

TechCrunch's mid-year roundup highlights a whistleblower claim that DOGE uploaded a live Social Security database copy to an unsecured third-party server, which House Democrats called potentially the largest US breach in history. CISA reported Iranian hackers targeted over 100 US water providers over the summer, while Russian-linked attacks hit Polish, Swedish, and Norwegian energy and water infrastructure. Market research firm Klue was breached via a stale 2022 pilot credential, exposing cloud keys of ~200 customers including Jamf, HackerOne, and LastPass to extortion gang Icarus. Separately, tens of thousands of Instagram accounts were hijacked by abusing Meta's AI chatbot to trigger password resets to attacker-controlled emails.

TechCrunch · Security16:00 UTC · 6h agoData breach in the wild

Revolut’s paperwork breach shows why insurers are rethinking what counts as a ‘cyber attack’

Revolut handed customer data to an attacker using a spoofed government email, prompting insurers to rethink cyber attack coverage definitions.

Revolut disclosed customer data after receiving a request from what appeared to be a genuine government email address; no servers were breached and no malware was involved. The social engineering incident has become a test case for how cyber insurers define a 'cyber attack'. The report is by Matthew Sellers. It highlights a growing gap between technical intrusions and data-loss incidents caused by impersonation.

DataBreaches.net11:49 UTC · 10h agoData breach

Student photos, bank details stolen by hackers after St James Anglican School in Perth hit by cyber attack

St James Anglican School in Perth reports hackers stole student photos and family bank details in a contained network breach.

St James Anglican School in Perth's north identified unauthorized access to its computer systems in a cyber breach. Hackers stole students' and families' personal information, including photos and bank details. Parents were advised the school immediately contained the incident and secured its systems.

DataBreaches.net11:48 UTC · 10h agoData breach

What we know about the Revolut data breach so far

Revolut confirmed an impersonation scheme exposed high-net-worth customers' identity documents, IBANs, and transaction histories to an attacker.

Revolut confirmed on September 12 that someone impersonating a government agency, using an email address on that agency's domain, obtained sensitive customer records. Exposed data includes birth dates, postal and email addresses, phone numbers, passport and driving licence copies, verification selfies, account statements, and transaction histories; ZachXBT added that IBANs, withdrawal records, occupations, and bitcoin transaction history were also included. Revolut says a limited number of customers were affected, the sender's address was blocked, and its systems and customer funds were untouched, with law enforcement and regulators notified.

Help Net SecuritySep 14, 07:02 UTC · 1d agoData breach1

Personal Info Possibly Compromised at Japan’s Digital Agency

Japan's Digital Agency says unauthorized access to a network system may have compromised personal data of about 246,000 government employees.

Japan's Digital Agency reported that approximately 246,000 sets of personal information, including names and email addresses of government employees, may have been compromised through unauthorized access to a network system operated by the agency. The agency said no secondary damage, such as misuse of the potentially breached data, has been identified so far.

DataBreaches.netSep 11, 16:06 UTC · 4d agoData breach

Trezor Says 347,000 Users Received Phishing Emails After Brevo Hack

Attackers abused Brevo's SAML SSO to access 138 accounts, sending phishing emails to 347,000 Trezor customers and exfiltrating contacts from 43 accounts.

Trezor said 347,000 of its customers received phishing emails with the subject line 'Critical Security Alert: STM32 Entropy Vulnerability' after the attacker compromised the Brevo marketing platform. Brevo said the intruder created an account, enabled SAML SSO, and used its own identity provider to access 138 accounts, exfiltrating contacts from 43 of them. Trezor reported 2,500 users clicked the malicious link before the site was taken offline 20 minutes after detection; potential fund losses are unknown. Swiss wallet maker BitBox and crypto tax calculator CoinTracking also appear affected, and Trezor separately disclosed a ShipMonk breach now affecting roughly 81,000 people.

SecurityWeekupdated Sep 11, 15:01 UTC · 4d agofirst Sep 11, 12:48 UTC · 4d agoData breach in the wild 6 sources

Surfshark Systems Targeted by Hackers

Surfshark discloses hackers accessed a misconfigured internal test server; no user data or VPN services affected.

Surfshark discovered on August 31 that a threat actor accessed an internal test server exposed to the internet through misconfiguration, obtaining some system binaries and internal configurations. Build-related credentials committed to code history were rotated, and an isolated content optimization VPS was also accessed, though no user data, encryption keys, or browsing activity were exposed. The company contained the system, rotated credentials, and announced an independent security audit.

SecurityWeekSep 11, 09:41 UTC · 4d agoData breach in the wild 2 sources

Veradigm Confirms Patient Data Exposed in Third-Party Data Breach

Veradigm disclosed a third-party vendor breach exposing patient data including Social Security numbers via stolen vendor API credentials.

Veradigm filed an 8-K with the SEC on September 8, 2026, disclosing that attackers used credentials stolen from a third-party vendor to access a specific vendor-facing API and download patient personal data, including Social Security numbers for some individuals. No clinical or medical information was compromised, and Veradigm's internal infrastructure was not breached directly. The company activated incident response, notified law enforcement, and is offering credit monitoring to affected individuals.

Cyber Security Newsupdated Sep 10, 13:13 UTC · 5d agofirst Sep 9, 16:46 UTC · 6d agoData breach in the wild 4 sources