Welcome to this week's Data Breaches Digest, a catalogue of links concerning Data Breaches and Cyber Security that were published on the Internet during the period between 31st August and 6th September 2026.📅 1st September
9.5 Million Impacted by Aesto Health Data Breach
13 Malicious Packagist Packages Target Unpatched iPhones to Steal Crypto Wallet Seeds
65% of Enterprises Have Seen AI Agents Act Out of Scope
A Coordinated Cyber Attack by Suspected Iranian Hackers Affected Over 100 Water Systems
Aesto healthcare data breach impacts 9.5 million people
AI Agents Are Now Orchestrating Entire Ransomware Attacks, Signaling a New Threat Era
AI-Powered Phishing Is Making Traditional Email Security Less Effective
Attackers Abuse Trusted Cloud Services to Hide Phishing Attacks Against Financial Organizations
Attackers Exploit Critical Langflow and Rails Flaws in Credential-Probing and C2 Activity
Attackers Steal METR API Key and Burn $600,000 in AI Credits
Attackers Steal METR API Key and Consume AI Credits Worth About $600,000
Baptist Health warns patients of MyChart phishing scam
Berlin refuses to be blackmailed after network breach
Berlin’s Seven-Day Ransomware Isolation Gap Let Rhysida Steal Critical Infrastructure Data
Biggest Cyberattacks Changing the Security Landscape
Chicago Family Health Center Data Breach Affects 90,000
China-Nexus Fire Ant Hackers Target Cisco Routers, TACACS Servers for Espionage
Cyber risk from frontier AI poses ‘most immediate concern’ to global financial system, watchdog warns
Cybersecurity experts issue warning after Winona County pays $128k following ransomware attack
Dark web listing contradicts Dodo Payments’ data breach disclosures
Fake Claude Opus 5 app delivers malware and wipes its own tracks
Fidelity Data Breach Costs $3.75 Million in Combined Fines
Financial Stability Board Sounds the Alarm Over Frontier AI Risks
Five Venezuelan Nationals Plead Guilty After Kansas ATM Jackpotting Attempts, FBI Reports 1,900 US Incidents Since 2020
Five Venezuelans plead guilty to ATM jackpotting attacks in US
Flock backlash turns into statewide fight as Florida pushes cameras off roads
Hackers are using fake MP4 video files to smuggle payloads past security filters
Hackers Demand Ransom After Berlin Data Breach
Hackers give Glassdoor 172 hours to stop dump of allegedly sensitive data
Healthcare Giant McKesson Investigates Data Breach Incident
Hong Kong: E-commerce data breach affects more than 33k
Identity-based attacks involved in 85% of education ransomware incidents
India: Told to stop posting flaws, teen hacker uses government email ID to troll Cert-In
India Catches Meta Running Malware-Laced ‘Adult’ Ads on Facebook and Instagram That Drain Bank Accounts
Iranian cyber spies target aviation, fintech developers with new malware
Iranian Hackers Pose as Recruiters to Deliver Cross-Platform RATs Through Coding Tests
Ireland: HSE fined €645,000 over data breach affecting Westmeath hospital
Kiewit discloses data breach affecting employees and contractors after email account compromise
Manchester Airports Group hit by cyber attack
McKesson Confirms Data Breach as ShinyHunters Claims 284 Million Records Stolen
McKesson Confirms Data Breach, Experts Weigh In
McKesson data breach exposes prescribing physicians and their patients to fallout from a third-party attack
Mira Partners Suffers Personal Data Breach, Encryption Key Exposure Unclear
Nearly 22,000 Microsoft Exchange servers exposed as exploit goes public
Nearly 22,000 Microsoft Exchange servers vulnerable to hijack attacks
Nephrology Associates Data Breach Affects 24k Patients
Novocure data breach affects more than 1,400 cancer patients
Qilin hackers leak ATF data, exposing criminal investigations and phone records
Ransomware Gang Claims Nutex Health Data Breach
Ransomware Group Claims Andover As Victim Following Cyberattack
Ransomware in 2026
Recently patched PaperCut zero-days used in data theft attacks
Russia-Aligned UAC-0099 Plants Nuclear Weapon Prompt in Malware to Disrupt AI Analysis
Scammers Running Fake Cryptocurrency AML Wallet-checking Sites Hoodwink Users, Drain Wallets
Some seek compensation following Road Traffic Safety Directorate (CSDD) cyber attack in Latvia
South Africa: Gert Sibande Municipality issues urgent warning over phishing emails
The Gentlemen come calling as Nutex confirms sensitive data theft
They prey where kids play: how gaming phishing scams now target kids
Threat Actors Don’t Want Better Attacks. They Want Repeatable Ones
TVING data breach exceeds subscriber base, raising questions over 19.53 million figure
Ungentlemanly behavior: Insights into a ransomware operation
Vishing campaign abuses Microsoft Teams to give attackers a foothold in company networks
White House Launches Pilot Program in Texas to Protect Water Infrastructure
Winona County Paid $128,000 Following Ransomware Attack
📅 31st August
85% of Education Ransomware Starts with Stolen Identities
'128 Billion Won Fine' GS Retail Apologizes for Data Breach, Vows to Strengthen Security System
AI agent in Cursor linked to ransomware breaches at 7 companies
AI agents read legitimate llms.txt files from trusted companies and proceed to install malware
AI AppSec tools agree on just 5% of security findings
AI killed the typo. Now it’s time to rewrite phishing training
Anthropic locks out Claude users after infostealers hijack login sessions
Anthropic Warns Commodity Infostealers Are Hijacking Claude Sessions to Drain Paid Usage
Apple shares ‘shocking evidence’ against former employee accused of stealing company data for OpenAI
AshSqlite Vulnerability (CVE-2026-77846) Exposes Hidden JSON Fields
Attackers plant remote access tools on compromised PaperCut servers
Aurora Ransomware Hackers Use Cursor AI Agent for Hands-On Exploitation and ESXi Attacks
Aurora Ransomware Hackers Used AI to Attack Companies Across Nine Countries
Aurora Ransomware Operators Use Cursor AI in Attacks Against 10 Targets
Australian app developer DigiGround investigating ransomware claims
Boston Scientific Cyberattack Limited to Unauthorized Access on Certain On-Premises Systems
Bureau of Alcohol, Tobacco, Firearms and Explosives Discloses Cyber Incident
Berlin Confirms Data Theft After Rhysida Attack: 5.79TB
Berlin confirms data theft after Rhysida ransomware attack claims
Berlin Won’t Pay Extortion Group Claiming Data Theft
Blind Eagle-Linked Loader Uses GitHub, VBScript, PowerShell and InstallUtil to Deploy AsyncRAT
CareCloud data breach affects more than 3.75 million people
CarGurus Data Breach Exposes 12.5 Million Accounts; Here's What Hackers Got
China-Linked Fire Ant Hijacks Cisco Routers to Steal Credentials and Blind Security Logs
Chinese Fire Ant hackers turn Cisco routers into spying platforms
Court upholds firing of Korea Food Research Institute (KFRI) executive for crypto mining and data breach in Korea
Cronos blockchain restarts after $74 million Tectonic exploit
Cybersecurity's “Hiring Crisis” is Fueling the Cybercrime Talent Pipeline
Darksiders Publisher THQ Nordic Named on DireWolf Ransomware Leak Site
Data Breach & Blind Spots: The Cyber Risk for Supply Chains
Data Breach at Los Angeles County Museum of Art. What Was Leaked?
Delta School District reports website cyber attack
Department of Justice (DoJ) Corrects China Hacking Claim, Says U.S. Agencies Were Targets, Not Victims
Extortion Group Claims Manchester Airports Group Data Breach
Fake Claude Opus 5 App Spreads New RevStealer Windows Malware
Fake MyChart messages target patients across Pennsylvania
Fidelity’s $2.5 Million Data-Breach Settlement Puts A Price On Losing Control Of Customer Data
Five plead guilty in latest federal ATM jackpotting case
Fogo Blockchain Halts Operations Due to Hacker Attack and $3 Million Theft
Fraudsters steal $6 million from Tectonic crypto platform after inflating token price
Free Cloudflare DNS Tweak Blocks Malware and Phishing Across Home Networks
Free Router DNS Tweak Blocks Malware and Phishing Across Home Networks
FulcrumSec Hackers Claim Manchester Airports Group Data Breach
GS Retail fined $9.3 Million following customer data breach
GS Retail fined 12.8 billion won over data breach affecting 1.66 million users
Guernsey: Doctor's appointment phone call led to data breach
Hacker puts data of 820 million Alipay users up for sale
Hackers claim millions of patient records stolen during data breach at healthcare giant McKesson
Hackers demand €2 million from Berlin, threaten data leak
Hackers Steal Identity, Vehicle Data from Latvia’s Road Traffic Safety Directorate
Hackers threaten to spill the secrets behind America’s food safety giant Neogen
Hackers’ Own Malware Infection Exposes Their RATs, Phishing Kits and Attack Infrastructure
Hasbro Breach Exposes Employee Information
Hasbro Data Breach Exposed Employee SSNs and Driver's License Data
Hong Kong police arrest two men allegedly linked to HK$500,000 phishing scam
How AI could make it harder for governments to use hacking tools
How to Prepare for AI-Driven Cyberattacks
Human Rights Writers Association of Nigeria (HURIWA) faults police, National Data Protection Commission (NDPC) over delay in probe of alleged National Institute for Policy and Strategic Studies (NIPSS) data breach involving naval officer
Identity theft attacks account for 85% of ransomware cases in education
Identity-based attacks account for 85% of ransomware incidents in education
Identity-Based Attacks Are Responsible for 85% of Ransomware in Education
India: Hyderabad publisher hit by ransomware, €20m ransom sought
Infostealer Malware Steals Claude Session Cookies to Hijack Accounts and Bypass 2FA
Iranian-Linked Cyber Attack Shuts Down a UK Power Plant
Law Society of Scotland issues fraud alert after phishing email
Ledger Phishing Scam: Fake Wallet Website Targets Crypto Users - What You Need to Know
Manchester Airports Group Data Breach: FulcrumSec Claims the Theft of 86 GB via Exposed Iterable API Credentials
McKesson confirms cyber incident after ShinyHunters claims patient-data theft
McKesson Confirms Breach: 284 Million Records, $55 Million Demand
McKesson Confirms Data Breach as Attacker Deadline Looms
McKesson discloses data breach after ShinyHunters claims theft of 284 million records
Microsoft warns of TerminalFix attacks deploying reverse tunnels
Microsoft Warns of TerminalFix Campaign Hiding Malware in PNG Images
National Health Insurance Service (NHIS) phishing scam exposes gaps in South Korea fraud insurance
Nigeria: Rights Group Decries Delay In Probe Of Alleged Data Breach By National Institute for Policy and Strategic Studies (NIPSS)
Nigerians extradited to US for sextortion, deaths of two teens
North Korean Job Fraud Expands Beyond IT Into Healthcare and Sales
Only 33% of AI Agents Provisioned With Least-Privilege Access
Open ATF criminal case files leaked by Russian ransomware hackers
OpenAI Warns Astra AI Could Develop Zero-Day Exploits and Launch Autonomous Cyberattacks
P&O Ferries data blunder as it sends out passengers' personal details by text message
PaperCut Issues Second Emergency Patch as Researchers Break Fix for Exploited Zero-Days
Pharmaceutical giant McKesson warns of 'service degradation' following cyberattack
Phishing scam is targeting 'MyChart' patient portal users
Phishing scam spreading around Pennsylvania involving fake alerts from MyChart
Qilin hackers leak ATF data, exposing criminal investigations and phone records
Ransomware attack hits Norcross' computer systems, leaving disruptions, officials say
Ransomware attack reportedly exposes Carhartt data
Ransomware Gang Names ATF; Department of Justice (DOJ) Calls Breach ‘Major’
Ransomware-as-a-Service democratizes hacking
Rhysida Ransomware puts Berlin Government Data up for sale for 30 BTC
Russian hackers plant nuclear weapon prompt in malware to trip AI safety guardrails
Security Leaders Weigh in on Recent PaperCut Vulnerabilities
ShinyHunters claims it stole 284 million patient records from McKesson
ShinyHunters Claims Theft of 284 Million Records from Healthcare Giant McKesson
Simple Router DNS Tweak Blocks Malware and Phishing Across All Connected Devices
Slovenian casinos reopen after cyberattack knocked gaming systems offline
Small businesses and cyberattacks: why phishing is still the threat to watch
'Sophisticated' AI swarm attacks are months away, OpenAI warns: What experts say businesses must do
South Korea fines GS Retail $9.2 million over data breach affecting 1.66 million customers
Steam Data Breach Exposes Over 12TB of Source Code, Unreleased Projects
Steam leak that exposed a decade of game history wasn’t even a hack
TerminalFix Attack Uses Fake Cloudflare CAPTCHA to Deploy Reverse Tunnel Into Corporate Networks
Threat actors are posing as AI crawlers to hunt for exposed credentials
US cities cancel Flock contracts at record pace in August
US healthcare giant McKesson breached, ShinyHunters claims 284 million patient records
ValleyRAT Backdoor Hides in Signed Adware That Users Add to Antivirus Exclusions
What a Financial Data Breach Actually Costs a Fintech in 2026
What vulnerability prioritization looks like when KEV, EPSS, and CVSS disagree
When a Cyber Loss Has No Conventional Hacker
Wippy Data Breach Exposes 736 Users' Height, Blood Type; South Korea Fines nRiZE ₩118 Million
Your Money and Data Are at Risk as Phishing Attacks Rise
ZeroBytes breaches Zéro Logement Vacant, data of nearly 48 million French property owners exposed
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Welcome to last week's ROC Report, an exclusive summary of Ransomware Operator's global victims that were claimed during the period between 17th August and 23rd August 2026, kindly assisted by our partners.
