Education / San Diego Miramar College says cyberattack disrupted systems in California The college said the threat was contained, but warned that systems and websites could have intermittent disruptions while IT staff completed scans. By DysruptionHub Staff / 4 May 2026
Education / August cyber incident at Bellflower schools in California went largely uncovered Bellflower Unified said phone and network disruptions began in early August, followed by a months-long forensic review and a later, unconfirmed Rhysida claim. By DysruptionHub Staff / 29 Mar 2026
Public Services / Los Angeles Metro limits internal system access after unauthorized activity Arrival-time screens went dark and some TAP reload options were disrupted as the agency restricted administrative computers By DysruptionHub Staff / 20 Mar 2026
Government / Foster City, California, ransomware incident halts most city services Officials say 911 and police dispatch remain operational as the city moves toward an emergency declaration and probes possible data access By DysruptionHub Staff / 19 Mar 2026
Private Sector / Michigan-based Stryker reports global cyber incident disrupting U.S. and overseas operations Irish outlets cite reports of Iran-linked “Handala” branding on internal pages; Stryker has not confirmed attribution By DysruptionHub Staff / 11 Mar 2026
Education / California’s Tulare City School District probes network incident as extortion claim circulates District says suspicious activity disrupted some systems and reports of suspicious emails surfaced By Joseph Topping / 5 Feb 2026
Private Sector / CloudCone outage in Los Angeles linked to ransom messages and disk damage Hosting provider says a management-layer compromise triggered rebuilds; downstream service impacts remain unclear By DysruptionHub Staff / 4 Feb 2026
Critical Infrastructure / California crosswalk audio hack traced to unchanged default passwords, records show Caltrans says it reset credentials and updated software after “talking” signals in three Peninsula cities played spoofed AI-style voices By DysruptionHub Staff / 9 Jan 2026
Healthcare / Pit River Health Service cyber incident disrupts records access in California Rural clinic says some information was copied; appointments continue with paper workarounds By Joseph Topping / 17 Dec 2025
Government / Qilin claims ransomware hit on Santa Paula, California City reported Nov. 12 network outage disrupting email, services but has not confirmed cause By DysruptionHub Staff / 28 Nov 2025
Government / Encinitas, California safety signs hacked with explicit, antisemitic messages Portable traffic-calming boards were physically tampered with, forcing citywide resets and a sheriff’s investigation. By DysruptionHub Staff / 22 Nov 2025
Private Sector / CodeRED vendor limits alert platform during security review Crisis24 says capabilities are constrained; agencies in Colorado, California, New Mexico, Montana and Texas report impacts By Joseph Topping / 15 Nov 2025
