THREATSUnited States
Medusa tops 500 victims in health sector
FBI, CISA and HHS updated their Medusa alert, saying the group has hit more than 500 victims and kept targeting US health care.
Aug 22, 2026 · 2 min
Threats — News
Up-to-date cyber intelligence coverage. Filter by category or browse the full archive.
THREATSUnited States
US ransomware victims pile up in 48 hours
Security Arsenal tracked new U.S. victims from DIREWOLF, COINBASECARTEL and XPL0ITRS across health, tech and professional services.
Aug 19, 2026 · 2 min
THREATSUnited States
US Alerts on Gunra, Unlimited Breach Hits 3.8M
US agencies warned on Gunra, while Unlimited Technology Systems raised its breach tally to 3.8 million patients.
Aug 16, 2026 · 3 min
THREATSUnited States
Suisun City Declares Emergency After Cyberattack
California’s Suisun City shut down its computer network after an attack disrupted 911 routing, police, fire and other services.
Aug 14, 2026 · 2 min
THREATSUnited States
U.S. Health Sector Hit by Three Ransomware Cases
Change Healthcare, OSF Healthcare and Unlimited Technology Systems surfaced in recent ransomware and breach reports tied to U.S. health care.
Aug 13, 2026 · 2 min
THREATSUnited States
Argentina digital banking fraud rises
Fraud complaints and related amounts rose in Argentina’s banking sector in H1 2026, according to the central bank.
Aug 11, 2026 · 2 min
THREATSUnited States
US: Suisun City hit by malware attack
Suisun City declared an emergency after a malware attack disrupted 911 and other essential services. The FBI and EPA also warned of water incidents.
Aug 10, 2026 · 2 min
THREATSUnited States
OSF Healthcare settles with HHS OCR over ransomware
OSF Healthcare settled with HHS OCR over a 2021 Nephilim-linked breach. A separate report names a possible INCRANSOM health victim.
Aug 7, 2026 · 2 min
THREATSUnited States
Interlock Claims Gardiner Family Chiropractic
Interlock added Gardiner Family Chiropractic to its victim list, alleging patient data and internal financial information were exfiltrated.
Aug 5, 2026 · 2 min
THREATSUnited States
Minnesota water systems hit in coordinated cyberattack
More than 30 Minnesota water systems and nine in Michigan were targeted, as the FBI and EPA warned of activity in at least seven states.
Aug 4, 2026 · 3 min
THREATSUnited States
US Alerts on Water System Attacks
CISA and the FBI report a rise in OT attacks on water and wastewater systems, including lockouts and password changes in several states.
Aug 1, 2026 · 2 min
THREATSUnited States
LatAm Tightens OT Defenses Amid Industrial Risk
Shieldworkz, the IDB and Cryptonomist warn of growing pressure on OT/ICS in water, energy and manufacturing, with exposure in focus.
Aug 1, 2026 · 2 min
THREATSUnited States
US Cities Show Up on Ransomware Leak Sites
ransomware.live lists several U.S. local governments as alleged victims, while Minnesota says a coordinated attack hit more than 30 water systems.
Jul 31, 2026 · 3 min
THREATSUnited States
U.S. Health Sector Faces Ransomware Pressure
Attacks on key U.S. health players disrupted claims, prescriptions and services. Ahhh Care appears in a possible ransomware case.
Jul 30, 2026 · 2 min
THREATSUnited States
Fairlife Halts Production After Anubis Ransomware
Coca-Cola confirmed a Fairlife attack that suspended U.S. production and led to a data breach. Anubis claimed the intrusion.
Jul 29, 2026 · 3 min
THREATSUnited States
Change Healthcare and Health System Risk
The Change Healthcare attack exposed how U.S. healthcare depends on a single intermediary and added an estimated $2.87 billion in losses.
Jul 28, 2026 · 2 min
THREATSUnited States
US DOJ charges Russians over bulletproof hosting
The DOJ expanded a case over bulletproof hosting tied to LockBit, Cl0p, BlackSuit, Play and other ransomware groups.
Jul 21, 2026 · 2 min
THREATSUnited States
NSA warns on Russia-linked routers
US and allies warned of a Russia-attributed campaign exploiting routers with weak SNMP, default passwords and unpatched firmware.
Jul 19, 2026 · 2 min
THREATSUnited States
Fairlife halts U.S. production after ransomware attack
Coca-Cola said its dairy subsidiary Fairlife was hit by ransomware, disrupting production systems and forcing a U.S. production pause.
Jul 19, 2026 · 2 min
THREATSUnited States
US sanctions First VPN over ransomware support
The Treasury sanctioned First VPN Service and its administrator for facilitating ransomware operations, with hospitals among the cited targets.
Jul 18, 2026 · 2 min
THREATSUnited States
Paraguay and US tie intrusion to Flax Typhoon
Paraguay and the United States found Flax Typhoon on Paraguayan state networks after a joint review. Deputies asked for reports.
Jul 15, 2026 · 3 min
THREATSUnited States
Ryuk Case Ties Vardanyan to U.S. Hospitals
Karen Vardanyan pleaded guilty in Ryuk attacks on U.S. hospitals, bringing renewed scrutiny to ransomware's impact on healthcare.
Jul 11, 2026 · 2 min