Cyber-Vorfälle bei US-Börsenfirmen — gemeldete Sicherheitsvorfälle (SEC 8-K)

Seit dem 18. Dezember 2023 müssen börsennotierte US-Unternehmen einen wesentlichen Cybersecurity-Vorfall binnen vier Werktagen offenlegen — als Form 8-K, Item 1.05. Diese Seite listet jede solche Meldung chronologisch, mit Link zur SEC-Originalquelle.

27
Vorfälle (12 Monate)
42
Betroffene Firmen
58
Insgesamt erfasst
02.07.2026
Letzter Vorfall

Gemeldete Cyber-Vorfälle

Datum Firma Sektor Was gemeldet wurde SEC-Quelle
02.07.2026 NAVIENT CORP NAVI Finanzdienstleistungen Item 1.05 Material Cybersecurity Incidents On June 8, 2026, the Company became aware of a cybersecurity incident involving a third‑party law firm (the “Firm”) that provides services to the Company. The incident involved a ransomware attack … SEC 8-K
02.07.2026 AdaptHealth Corp. AHCO Gesundheit Item 1.05 Material Cybersecurity Incidents. AdaptHealth Corp. (the “Company”) is investigating a security incident whereby a threat actor gained unauthorized access to Company systems and exfiltrated certain data therefrom. Upon learning of… SEC 8-K
23.06.2026 8X8 INC /DE/ EGHT Technologie Item 1.05. Material Cyber Security Incident. On June 13, 2026, 8x8, Inc. (the “Company” or “we”) was informed that an unauthorized third party threat actor exploited the Klue Labs, Inc. (“Klue”) third-party application programming integrati… SEC 8-K
15.06.2026 iRhythm Holdings, Inc. IRTC Gesundheit Item 1.05 Material Cybersecurity Incidents. On June 8, 2026, iRhythm Holdings, Inc. (the “Company”) identified unauthorized activity involving data maintained on certain third-party-hosted business applications. The Company promptly activat… SEC 8-K
22.05.2026 Oncology Institute, Inc. TOI Gesundheit Item 1.05 Material Cybersecurity Incidents. The Oncology Institute, Inc. (the “Company”) is providing this disclosure, as a follow-up to its voluntary disclosure in Item 7.01 of a Current Report on Form 8-K filed on November 6, 2025, regard… SEC 8-K
20.05.2026 WEST PHARMACEUTICAL SERVICES INC WST Gesundheit Item 1.05 Material Cybersecurity Incidents. As previously disclosed in the Original Report, the Company determined on May 7, 2026 that the Company had experienced a material cybersecurity attack, in which certain data was exfiltrated by an … SEC 8-K
11.05.2026 WEST PHARMACEUTICAL SERVICES INC WST Gesundheit Item 1.05 Material Cybersecurity Incidents. On May 7, 2026, West Pharmaceutical Services, Inc. (the “Company”) determined that the Company has experienced a material cybersecurity attack, in which certain data was exfiltrated by an unauthor… SEC 8-K
11.05.2026 CB Financial Services, Inc. CBFV Finanzdienstleistungen Item 1.05. Material Cybersecurity Incidents On May 5, 2026, Community Bank (the “Bank”), the wholly-owned subsidiary of CB Financial Services, Inc. (the “Company”), became aware of an internal incident involving the handling of certain non‑… SEC 8-K
23.04.2026 HONEYWELL INTERNATIONAL INC HON Industrie Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
21.04.2026 EQUIFAX INC EFX Industrie Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
08.04.2026 Bitcoin Depot Inc. BTM Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
27.03.2026 CareCloud, Inc. CCLD Gesundheit Item 1.05 Material Cybersecurity Incidents. On March 16, 2026, CareCloud, Inc. (the “Company”) experienced a temporary network disruption in its CareCloud Health division that partially impacted the functionality and data access to 1 of its… SEC 8-K
20.03.2026 TRIO-TECH INTERNATIONAL TRT Technologie Item 1.05 Material Cybersecurity Incidents On March 11, 2026, Trio-Tech International (“Company”) identified and responded to a cybersecurity incident in one of its subsidiaries (“subsidiary”) in Singapore. The subsidiary experienced a rans… SEC 8-K
26.02.2026 ARROW FINANCIAL CORP AROW Finanzdienstleistungen Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
24.02.2026 UFP TECHNOLOGIES INC UFPT Gesundheit Item 1.05 Material Cybersecurity Incidents. On or about February 14, 2026, UFP Technologies, Inc. (the “Company”) detected suspicious activity involving its information technology (“IT”) systems. Upon detecting the issue, the Company began … SEC 8-K
04.02.2026 EQUIFAX INC EFX Industrie Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
03.02.2026 WYTEC INTERNATIONAL INC WYTC Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
22.01.2026 Perimeter Solutions, Inc. PRM Grundstoffe Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
14.01.2026 BIMINI CAPITAL MANAGEMENT, INC. BMNM Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
29.12.2025 Coupang, Inc. CPNG Konsum (zyklisch) Item 1.05. Material Cybersecurity Incidents. On December 24, 2025 (PST) and December 28, 2025 (PST), Coupang Corp., a wholly-owned Korean subsidiary (“Coupang Corp.”) of Coupang, Inc. (“Coupang, Inc.,” “our,” or “we”) (Coupang Corp., togeth… SEC 8-K
21.10.2025 EQUIFAX INC EFX Industrie Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
21.10.2025 JEWETT CAMERON TRADING CO LTD JCTC Grundstoffe Item 1.05. Material Cybersecurity Incidents. On October 15, 2025, Jewett-Cameron Trading Co. Ltd. (the “Company”) learned that a threat actor had gained unauthorized access to portions of the Company’s information technology (“IT”) environm… SEC 8-K
15.10.2025 F5, INC. FFIV Technologie Item 1.05 Material Cybersecurity Incidents On August 9, 2025, F5, Inc. (the “Company”, “F5”, “we”, or “our”) learned that a highly sophisticated nation-state threat actor had gained unauthorized access to certain Company systems. The Compan… SEC 8-K
10.09.2025 DATA I/O CORP DAIO Technologie Item 1.05 Material Cybersecurity Incidents SEC 8-K
29.08.2025 WYTEC INTERNATIONAL INC WYTC Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
14.08.2025 Lulu's Fashion Lounge Holdings, Inc. LVLU Konsum (zyklisch) Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
22.07.2025 EQUIFAX INC EFX Industrie Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
26.06.2025 UNITED NATURAL FOODS INC UNFI Konsum (defensiv) Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
20.06.2025 NUCOR CORP NUE Grundstoffe Item 1.05 regarding the cybersecurity incident disclosed on the Original Form 8-K, and should be read in conjunction with the Original Form 8-K. Item 1.05. Material Cybersecurity Incidents. As disclosed in the Original Form 8-K, the Company… SEC 8-K
15.05.2025 Coinbase Global, Inc. COIN Finanzdienstleistungen Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
22.04.2025 EQUIFAX INC EFX Industrie Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
06.03.2025 LEE ENTERPRISES, Inc LEE Kommunikation Item 1.05 of this Current Report on Form 8-K is incorporated by reference into this SEC 8-K
06.03.2025 NATIONAL PRESTO INDUSTRIES INC NPK Industrie Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
18.02.2025 LEE ENTERPRISES, Inc LEE Kommunikation Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
06.02.2025 EQUIFAX INC EFX Industrie Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
27.01.2025 ENGLOBAL CORP Item 1.05 Material Cybersecurity Incidents. As previously reported in the Original Form 8-K, on November 25, 2024, the Company became aware of a cybersecurity incident. The preliminary investigation revealed that a threat actor illegally ac… SEC 8-K
02.12.2024 ENGLOBAL CORP Item 1.05 Material Cybersecurity Incidents. On November 25, 2024, ENGlobal Corporation (the “Company”) became aware of a cybersecurity incident. The preliminary investigation has revealed that a threat actor illegally accessed the Company’s… SEC 8-K
18.11.2024 iLearningEngines, Inc. Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
03.09.2024 HALLIBURTON CO HAL Energie Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
28.08.2024 DICK'S SPORTING GOODS, INC. DKS Konsum (zyklisch) Item 1.05 of Form 8-K. Forward-Looking Statements This Form 8-K contains forward-looking statements that involve risks and uncertainties, including statements regarding our understanding of the event and its potential impacts. Several facto… SEC 8-K
14.08.2024 FIRST CITIZENS BANCSHARES INC /DE/ FCNCA Finanzdienstleistungen Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
05.08.2024 SONIC AUTOMOTIVE INC SAH Konsum (zyklisch) Item 1.05 regarding the cybersecurity incident disclosed on the Original Form 8-K, and should be read in conjunction with the Original Form 8-K. SEC 8-K
31.07.2024 Cencora, Inc. COR Gesundheit Item 1.05 Material Cybersecurity Incidents. In the Original Report the Company disclosed that it learned, on February 21, 2024, that data from its information systems had been exfiltrated, some of which may contain personal information. Upo… SEC 8-K
12.07.2024 AT&T INC. T Kommunikation Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
05.07.2024 SONIC AUTOMOTIVE INC SAH Konsum (zyklisch) Item 1.05. Material Cybersecurity Incidents. As previously disclosed on its Current Report on Form 8-K filed on June 21, 2024, Sonic Automotive, Inc. (the “Company”) has experienced disruptions since June 19, 2024 in its access to certain i… SEC 8-K
14.06.2024 GLOBE LIFE INC. GL Finanzdienstleistungen Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
28.05.2024 BRANDYWINE REALTY TRUST BDN Immobilien Item 1.05 regarding the cybersecurity incident disclosed by the Company in Item 1.05 of the Original Report (the “cybersecurity incident”). Except as expressly set forth herein, this Amendment does not amend the Original Report. This Amendm… SEC 8-K
25.04.2024 HONEYWELL INTERNATIONAL INC HON Industrie Cyber-Meldung (8-K Item 1.05), erfasst via EFTS-Volltextsuche. SEC 8-K
24.04.2024 UNITEDHEALTH GROUP INC UNH Gesundheit Item 1.05. Material Cybersecurity Incidents. As an update to information concerning the Change Healthcare cyberattack contained in the Filed Reports, the Company issued a press release on April 22, 2024, regarding its ongoing data assessmen… SEC 8-K
01.04.2024 MARINEMAX INC HZO Konsum (zyklisch) Item 1.05 Material Cybersecurity Incidents As disclosed in the Original Report, on March 10, 2024, we determined that the Company experienced a “cybersecurity incident,” as defined in applicable SEC rules, whereby a third party gained unaut… SEC 8-K
29.03.2024 SouthState Bank Corp SSB Finanzdienstleistungen Item 1.05 ​ ​ Material Cybersecurity Incidents. ​ As disclosed in the Original Report, on February 6, 2024, SouthState Bank, N.A. detected what was determined to be a cybersecurity incident. Upon detection, SouthState initiated its incident… SEC 8-K
20.03.2024 RADIANT LOGISTICS, INC RLGT Industrie Item 1.05. Material Cybersecurity Incidents On or about March 14, 2024, through its information technology systems monitoring tools, Radiant Logistics, Inc. (the “Company”) detected what was determined to be the initial stages of a cybersec… SEC 8-K
12.03.2024 MARINEMAX INC HZO Konsum (zyklisch) Item 1.05 Material Cybersecurity Incidents MarineMax, Inc. (the "Company") determined on March 10, 2024, that it experienced a “cybersecurity incident,” as defined in applicable Securities and Exchange Commission rules, whereby a third part… SEC 8-K
08.03.2024 UNITEDHEALTH GROUP INC UNH Gesundheit Item 1.05. Material Cybersecurity Incidents. As an update to the Original Report, the Company identified that cybercrime threat actors had gained access to certain Change Healthcare information technology systems. Immediately upon detection… SEC 8-K
01.03.2024 Federal Home Loan Bank of New York Item 1.05 Material Cybersecurity Incidents On February 21, 2024, the Federal Home Loan Bank of New York (“Bank”), through its operational controls, detected unknown persons attempting to fraudulently obtain funds from the Bank (the “inciden… SEC 8-K
27.02.2024 Cencora, Inc. COR Gesundheit Item 1.05 Material Cybersecurity Incidents. On February 21, 2024, Cencora, Inc. (the “Company”), learned that data from its information systems had been exfiltrated, some of which may contain personal information. Upon initial detection of … SEC 8-K
22.02.2024 UNITEDHEALTH GROUP INC UNH Gesundheit Item 1.05. Material Cybersecurity Incidents. On February 21, 2024, UnitedHealth Group (the “Company”) identified a suspected nation-state associated cyber security threat actor had gained access to some of the Change Healthcare information … SEC 8-K
09.02.2024 SouthState Bank Corp SSB Finanzdienstleistungen Item 1.05. Material Cybersecurity Incidents. SouthState Bank, N.A., (the "Company") detected what was determined to be a cybersecurity incident on February 6, 2024. Upon detection, the Company initiated its incident response and business co… SEC 8-K

Quelle: SEC EDGAR (Form 8-K, Item 1.05 „Material Cybersecurity Incident"). „Was gemeldet wurde" ist ein Auszug aus dem Filing — maßgeblich ist stets das verlinkte SEC-Original. Keine Anlageberatung.

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