Cyberfeed6 › Countries › United States
120 IT, OT and crypto incidents involving United States are listed for May to November 2026 (112 IT, 8 OT). The most common kinds are data breach, ransomware, cyberattack. The country is where the affected organizations or users are, not where the attackers are.
Scammers pose as the FBI's cybercrime complaint center
2026-08-19 · Scam warning · WCAX (FBI warning)
The FBI warns that scammers pose as employees of its Internet Crime Complaint Center to re-victimize people who already lost money to online fraud. They reach victims by phone, email, social media, fake websites and deepfake video.
What to do: Type ic3.gov into your browser yourself, and be wary of anyone who asks for payment to recover lost money.
IT November 5, 2026 · Data breach
Queens Public Library confirms a ransomware attack that takes down its computers and Wi-Fi
IT November 4, 2026 · Ransomware & extortion
Pentagon treats freezer failures at US military base stores as a suspected cyberattack
OT October 29, 2026 · Process manipulation
Florida says a breach of its student financial aid website may affect 4.9 million people
IT October 29, 2026 · Data breach
IT October 28, 2026 · Data breach
DreamHost incident forces password resets
IT October 27, 2026 · Cyberattack · Roundup: Help Net Security: week in review, October 26 to 30, 2026
University of New Mexico hospital system disrupted by a cyberattack, and a new group claims it
IT October 26, 2026 · Ransomware & extortion
ETS breach exposes 5.7M California students' records
IT October, 2026 · Data breach · latimes.com
Ahold Delhaize says a cyberattack disrupted services in Europe and the US
IT October 12, 2026 · Disruption
Arizona state court system cyber incident
IT October 1, 2026 · Data breach · Roundup: Privacy Guides: data breach roundup, Sep 25 to Oct 1, 2026
US Defense Manpower Data Center breach, 2.76M people
IT September 30, 2026 · Data breach · privacyguides.org
Astrana Health systems restored from clean backups
IT September 24, 2026 · Data breach · therecord.media
FBI agent and applicant data theft claimed by ShinyHunters
IT September 22, 2026 · Data breach · therecord.media
BigCommerce merchants' shopper data via Ribon app
IT September 22, 2026 · Supply chain · scworld.com
CenterPoint Energy 7.49M customer records claimed
IT September 16, 2026 · Data breach · bleepingcomputer.com
Greenberg Traurig client documents posted to dark web
IT September 10, 2026 · Data breach · oodaloop.com
AdaptHealth breach, 4.1M people's health data
IT September 10, 2026 · Data breach · bleepingcomputer.com
Veradigm patient data downloaded with stolen credentials
IT September 9, 2026 · Data breach · paubox.com
Springfield Public Schools (MA) phone lines disrupted by attack
IT September 8, 2026 · Cyberattack · therecord.media
Florida FLHSMV driver database breach via police credentials
IT September 8, 2026 · Data breach · arstechnica.com
Everett City Hall (MA) closed by cyber incident
IT September 8, 2026 · Cyberattack · therecord.media
Conde Nast 32.8M user database offered for sale
IT September 7, 2026 · Data breach · securityaffairs.com
Bimbo Bakeries USA employee SSNs via Oracle EBS zero-day
IT September 6, 2026 · Data breach · cybersecuritynews.com
McKesson discloses breach after ShinyHunters 284M-record claim
IT August 28, 2026 · Data breach · bleepingcomputer.com
Boston Scientific cyber incident disrupts shipments worldwide
IT August 27, 2026 · Cyberattack · cybernews.com
ATF breached by Qilin, declared major incident
IT August 27, 2026 · Ransomware · bleepingcomputer.com
Carhartt breach exposes 12.9M accounts after ShinyHunters claim
IT August 26, 2026 · Data breach · bleepingcomputer.com
Baylor Genetics breach, 2.8M people's genetic data
IT August 26, 2026 · Data breach · kcra.com
Surgeons Choice Medical Center network breach
IT August 24, 2026 · Data breach · beckersasc.com
Nutex Health (US) healthcare provider, The Gentlemen ransomware
IT August 24, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, August 2026
U.S. Bank breach claimed by LockBit
IT August 21, 2026 · Ransomware · therecord.media
Turner Construction network breach, Akira linked
IT August 21, 2026 · Data breach · constructiondive.com
Apollo Global Management cloud access via social engineering
IT August 21, 2026 · Data breach · cyberscoop.com
Paylogix network intrusion exposes SSNs and card data
IT August 19, 2026 · Data breach · insurancebusinessmag.com
Medusa ransomware breached 500+ US critical infrastructure organisations
IT August 19, 2026 · Ransomware · bleepingcomputer.com
UTSA systems offline, fall semester start delayed
IT August 18, 2026 · Cyberattack · therecord.media
Heights Finance loan company breach exposes SSNs and financial data
IT August 18, 2026 · Data breach · malwarebytes.com
General Electric data theft claimed by Clop
IT August 17, 2026 · Ransomware · bleepingcomputer.com
Windrose Health Network (US), Storm ransomware
IT August, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, August 2026
Town of Lincoln (US) ransomware attack
IT August, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, August 2026
Town of Andover (US): schools disrupted, Wallstreet ransomware
IT August, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, August 2026
The AME Group (US) tech firm ransomware claim
IT August, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, August 2026
Sawyer Savings Bank (US), Storm ransomware
IT August, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, August 2026
Foreign actors alter settings at two small Colorado water utilities
OT August, 2026 · Process manipulation
City of Norcross (Georgia) ransomware attack
IT August, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, August 2026
City of Mitchell (South Dakota), Storm ransomware
IT August, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, August 2026
City of Fort Scott (Kansas) ransomware attack
IT August, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, August 2026
City of Coweta (Oklahoma) ransomware attack
IT August, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, August 2026
City of Circleville (Ohio) ransomware attack
IT August, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, August 2026
RingCentral social-engineering breach, 1.6M accounts
IT August 14, 2026 · Data breach · cybermagazine.com
Cedar County Memorial Hospital (US), Wallstreet ransomware
IT August 14, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, August 2026
Uber Freight cloud data theft claimed by Helix
IT August 12, 2026 · Data breach · freightwaves.com
Kovack Financial SSNs and account numbers exposed
IT August 12, 2026 · Data breach · claimdepot.com
Brazosport College (Texas), Qilin ransomware
IT August 10, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, August 2026
Suisun City (California) ransomware attack
IT August 8, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, August 2026
Levi Strauss corporate data stolen by social engineering
IT August 7, 2026 · Data breach · bleepingcomputer.com
Framework laptop maker customer data exposed via Metabase
IT August 7, 2026 · Supply chain · bleepingcomputer.com
North Carolina Ports hack forces manual operations
IT August 6, 2026 · Cyberattack · therecord.media
Moody Bible Institute (Chicago) personal data exposed
IT August 6, 2026 · Data breach · teiss.co.uk
Hedge funds Point72, Citadel, Millennium voice-phished
IT August 6, 2026 · Cyberattack · fortune.com
Two New Jersey water systems lose remote PLC control
OT August 5, 2026 · OT disruption · centraljersey.com
Everside Health patient information exposed
IT August 5, 2026 · Data breach · claimdepot.com
Brown Health Medical Group (MA) breach, 311,760 people
IT August 5, 2026 · Data breach · securityweek.com
Madera Community Hospital breach, 150,000 patients
IT August 4, 2026 · Data breach · securityweek.com
Allstate customer data breach claimed
IT August 3, 2026 · Data breach · insurancebusinessmag.com
CareCloud healthcare software: 3.75M patients' data stolen
IT August 2, 2026 · Data breach · securityaffairs.com
Columbus Water Works (Georgia) switched to manual control after attack
OT July 27, 2026 · OT disruption · wtvm.com
Clayton County (Georgia) water outage linked to cyber activity
OT July 27, 2026 · OT disruption · fox5atlanta.com
Coordinated attack disrupts more than 30 Minnesota water systems
OT July 26, 2026 · Process manipulation
AnMed health system (US) ransomware attack
IT July 26, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, July 2026
OnTrac logistics network hack, customer data breach
IT July 24, 2026 · Data breach · bleepingcomputer.com
Unlimited Technology Systems (Ohio) patient health data exposed
IT July 23, 2026 · Data breach · bleepingcomputer.com
Upbound (Acima) hack enables $13M fraudulent leases
IT July 22, 2026 · Fraud · bleepingcomputer.com
OT July 22, 2026 · State-linked activity
Chick-fil-A credential stuffing hits 13,000 accounts
IT July 22, 2026 · Data breach · bleepingcomputer.com
Fairlife (Coca-Cola) dairy production halted by ransomware
IT July 16, 2026 · Ransomware · thenextweb.com
Kenaitze Indian Tribe (Alaska), The Gentlemen ransomware
IT July, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, July 2026
Greene County (US) government, INC ransomware
IT July, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, July 2026
Cedar Crest College (US), NightSpire ransomware
IT July, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, July 2026
AssuranceAmerica insurer data breach
IT July 8, 2026 · Data breach · bleepingcomputer.com
Masimo medical device maker notifies 4 million people
IT July 6, 2026 · Data breach · therecord.media
Blank Rome law firm faces class action over breach
IT July 6, 2026 · Data breach · abajournal.com
US DHS information-sharing network HSIN breached
IT July 1, 2026 · Data breach · bleepingcomputer.com
Alera Group data breach, settlement offered
IT June 25, 2026 · Data breach · Roundup: CM Alliance: biggest cyber attacks, data breaches and ransomware attacks, June 2026
LastPass limited customer data exposed via Klue
IT June 23, 2026 · Supply chain · bleepingcomputer.com
XSOLIS healthcare technology firm data exposed
IT June 22, 2026 · Data breach · securityweek.com
Optimum First Mortgage customer data exposed
IT June 22, 2026 · Data breach · teiss.co.uk
One Medical Seniors patient data theft claimed by ShinyHunters
IT June 22, 2026 · Data breach · beckershospitalreview.com
GrayRobinson law firm breach, 65,000 people's data
IT June 19, 2026 · Data breach · teiss.co.uk
Texas Parks and Wildlife exposes licence and passport numbers
IT June 18, 2026 · Data breach · bleepingcomputer.com
Amazon One Medical unauthorised access to patient records
IT June 18, 2026 · Data breach · teiss.co.uk
iRhythm Technologies patient information stolen
IT June 16, 2026 · Data breach · securityaffairs.com
Maine breach portal flooded with fake reports, taken offline
IT June 15, 2026 · Fraud · bleepingcomputer.com
Kodak: ShinyHunters claim 2 million records
IT June 15, 2026 · Data breach · malwarebytes.com
OT June 11, 2026 · State-linked activity
ServiceNow security incident exposes customer data
IT June 9, 2026 · Data breach · bleepingcomputer.com
Iran-linked wiper attack on Middle East IT systems
IT June 1, 2026 · Cyberattack · cybersecuritynews.com
Plaza Home Mortgage customer data possibly exposed
IT May 29, 2026 · Data breach · Roundup: CM Alliance: biggest cyber attacks, data breaches and ransomware attacks, May 2026
Weil, Gotshal & Manges law firm ransomware claim
IT May 28, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, May 2026
The Oncology Institute patient data exposed via third party
IT May 26, 2026 · Data breach · securityweek.com
Charter Communications customer data stolen by ShinyHunters
IT May 26, 2026 · Data breach · Roundup: CM Alliance: biggest cyber attacks, data breaches and ransomware attacks, May 2026
Trump Mobile exposed customer addresses and accounts
IT May 22, 2026 · Data breach · cyberdaily.au
City of Aurora loses $1.1M to employee phone scam
IT May 21, 2026 · Fraud · nbcchicago.com
GitHub internal environment breached by TeamPCP
IT May 20, 2026 · Supply chain · Roundup: CM Alliance: biggest cyber attacks, data breaches and ransomware attacks, May 2026
NYC Health + Hospitals vendor breach, 1.8M records
IT May 18, 2026 · Data breach · teiss.co.uk
Tulane University breach of student and staff data
IT May 17, 2026 · Data breach · comparitech.com
New York Life Insurance breach of customer data
IT May 17, 2026 · Data breach · prnewswire.com
West Pharmaceutical ransomware disrupts global manufacturing
IT May 15, 2026 · Ransomware · cybernews.com
Egnyte software company, INC ransomware claim
IT May, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, May 2026
DentaQuest breach exposes health data of 15 million people
IT May, 2026 · Data breach
Delano Public Schools (US) ransomware attack
IT May, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, May 2026
Cushman & Wakefield real estate firm, Qilin ransomware
IT May, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, May 2026
Carnival discloses social-engineering breach affecting about 6 million customers
IT May, 2026 · Data breach
American Lending Center breach exposes 123,000 people
IT May 15, 2026 · Data breach · comparitech.com
Accretech America manufacturer, AiLock ransomware
IT May, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, May 2026
OpenAI devices hit in TanStack supply-chain attack
IT May 14, 2026 · Supply chain · Roundup: CM Alliance: biggest cyber attacks, data breaches and ransomware attacks, May 2026
Canvas learning platform breached and school logins defaced
IT May 7, 2026 · Ransomware & extortion
Vimeo user data stolen via analytics provider
IT May 5, 2026 · Data breach · bleepingcomputer.com
DigiCert support portal social-engineered, rogue certificates
IT May 4, 2026 · Cyberattack · Roundup: CM Alliance: biggest cyber attacks, data breaches and ransomware attacks, May 2026
Central Medical Services of Westrock (US), INC ransomware
IT May 3, 2026 · Ransomware · Roundup: Comparitech: ransomware roundup, May 2026