secwatch / observer

Recent Cybersecurity 8-K events

Recent 8-Ks about cybersecurity incidents, remediation, customer impact, and incident updates.

50 recent filings JSON RSS

August 7, 2026, 6:04 AM ET LEVI LEVI STRAUSS & CO negative materiality 0.40

Levi Strauss discloses cyber incident; corporate info exfiltrated, no consumer data

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August 6, 2026, 1:14 PM ET IEHC IEH Corp negative materiality 0.40

IEH Corporation reports cybersecurity incident involving unauthorized access to employee Microsoft 365 mailbox

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July 31, 2026, 4:03 PM ET AMGN AMGEN INC negative materiality 0.75

Amgen reports material cybersecurity incident with data exfiltration from cloud environments

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July 30, 2026, 11:40 AM ET RVRF River Financial Corp negative materiality 0.60

River Financial reports cybersecurity incident with unauthorized data access; investigation ongoing

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July 29, 2026, 5:15 PM ET ADI ANALOG DEVICES INC negative materiality 0.55

Analog Devices reports unauthorized access and data exfiltration on June 23, 2026

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July 29, 2026, 4:30 PM ET HSTM HEALTHSTREAM INC negative materiality 0.55

HealthStream reports cybersecurity incident; employee and billing data accessed

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July 22, 2026, 5:19 PM ET FIVE FIVE BELOW, INC negative materiality 0.35

Five Below reports social-engineering cyber incident; no PII exfiltrated, no material impact

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July 21, 2026, 5:42 PM ET UPBD UPBOUND GROUP, INC. negative materiality 0.70

Upbound Group reports cyber incidents leading to $13M fraudulent contract losses in Acima segment

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July 17, 2026, 4:05 PM ET CLOV CLOVER HEALTH INVESTMENTS, CORP. /DE negative materiality 0.45

Clover Health reports cyber incident; three employee accounts compromised via social engineering

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July 17, 2026, 12:20 PM ET RVRF River Financial Corp negative materiality 0.65

River Financial discloses four class action lawsuits over cybersecurity incident; impact undetermined

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July 16, 2026, 4:20 PM ET KO COCA COLA CO negative materiality 0.70

Coca-Cola reports ransomware attack at fairlife subsidiary; US production suspended

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July 10, 2026, 4:29 PM ET SRBK SR Bancorp, Inc. negative materiality 0.60

SR Bancorp reports data security incident at service provider Mercadien; customer PII accessed

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July 10, 2026, 2:30 PM ET RVRF River Financial Corp negative materiality 0.65

River Financial discloses data breach; two class action lawsuits filed

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July 6, 2026, 9:54 AM ET RVRF River Financial Corp negative materiality 0.65

River Financial updates cybersecurity incident: data potentially impacted, PII under review, no account compromise yet.

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July 2, 2026, 4:15 PM ET NAVI NAVIENT CORP negative materiality 0.70

Navient discloses ransomware attack at third-party law firm exposing borrower data

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July 2, 2026, 4:01 PM ET AHCO AdaptHealth Corp. negative materiality 0.75

AdaptHealth reports material cybersecurity incident; patient data exfiltrated via social engineering

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June 30, 2026, 6:03 AM ET AFL AFLAC INC negative materiality 0.75

Aflac Japan discovers unauthorized access to systems; personal and bank info compromised

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June 25, 2026, 4:52 PM ET RVRF River Financial Corp negative materiality 0.70

River Financial discloses ransomware attack; investigation ongoing, impact undetermined

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June 23, 2026, 5:10 PM ET EGHT 8X8 INC /DE/ negative materiality 0.65

8x8 discloses cyber breach via Klue Labs Salesforce integration; customer data exfiltrated

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June 15, 2026, 4:30 PM ET IRTC iRhythm Holdings, Inc. negative materiality 0.75

iRhythm discloses cyber incident with data exfiltration; threat actor demanded payment

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June 9, 2026, 8:30 AM ET BPOP POPULAR, INC. negative materiality 0.50

Popular Inc. reports Evertec data breach affecting BPPR customer debit card info

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June 9, 2026, 8:28 AM ET EVTC EVERTEC, Inc. negative materiality 0.65

EVERTEC discloses data breach via third-party platform; payment card info exposed

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May 22, 2026, 4:30 PM ET TOI Oncology Institute, Inc. negative materiality 0.70

Oncology Institute patient data accessed in Vendor cybersecurity incident; operations sustained

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May 20, 2026, 4:04 PM ET WST WEST PHARMACEUTICAL SERVICES INC neutral materiality 0.60

West Pharmaceutical provides update on May 4 cyberattack; fully operational, no material financial impact

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May 11, 2026, 5:06 PM ET WST WEST PHARMACEUTICAL SERVICES INC negative materiality 1.00

West Pharmaceuticals discloses material cyberattack; data exfiltrated, systems encrypted on May 4 2026

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May 11, 2026, 4:15 PM ET CBFV CB Financial Services, Inc. negative materiality 0.90

CB Financial Services discloses material cyber incident exposing customer SSNs and DOBs

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May 8, 2026, 7:59 PM ET SAIL SailPoint, Inc. neutral materiality 0.35

SailPoint detects unauthorized GitHub access on April 20; no customer data compromised

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May 1, 2026, 7:59 PM ET ITRI ITRON, INC. negative materiality 0.50

Itron provides update on April 13 cyber incident; no further unauthorized activity observed

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April 27, 2026, 7:59 PM ET MMED MiniMed Group, Inc. negative materiality 0.50

MiniMed parent Medtronic discloses unauthorized third-party data access; MiniMed IT not compromised

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April 27, 2026, 7:59 PM ET MDT Medtronic plc negative materiality 0.65

Medtronic discloses unauthorized access to corporate IT systems; no patient or product impact found

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April 24, 2026, 7:59 PM ET ITRI ITRON, INC. negative materiality 0.60

Itron reports unauthorized third-party access to systems; investigation ongoing, operations continue

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April 24, 2026, 7:59 PM ET ADT ADT Inc. negative materiality 0.55

ADT reports unauthorized cloud access; limited customer data accessed, no material impact expected

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April 13, 2026, 7:59 PM ET RICK RCI HOSPITALITY HOLDINGS, INC. negative materiality 0.70

RCI Hospitality discloses cybersecurity incident; contractor PII accessed, no customer data breached

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April 9, 2026, 7:59 PM ET SYK STRYKER CORP negative materiality 0.85

Stryker says cyber incident materially impacted Q1 operations and financial results; full-year guidance unchanged

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April 8, 2026, 7:59 PM ET BTM Bitcoin Depot Inc. negative materiality 0.75

Bitcoin Depot loses ~50.9 BTC ($3.7M) in cybersecurity incident; deems event material

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April 1, 2026, 7:59 PM ET HAS HASBRO, INC. negative materiality 0.70

Hasbro reports unauthorized network access on March 28, 2026; systems taken offline

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March 27, 2026, 7:59 PM ET CCLD CareCloud, Inc. negative materiality 0.75

CareCloud reports cybersecurity incident affecting patient data in one EHR environment

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March 23, 2026, 7:59 PM ET SYK STRYKER CORP negative materiality 0.70

Stryker updates cyber incident: contained, no customer data accessed per Unit 42

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March 23, 2026, 7:59 PM ET HFWA HERITAGE FINANCIAL CORP /WA/ negative materiality 0.55

Heritage Financial detects cyber incident; files exfiltrated may contain personal info

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March 20, 2026, 7:59 PM ET TRT TRIO-TECH INTERNATIONAL negative materiality 0.60

Trio-Tech reports ransomware incident at Singapore subsidiary; data potentially exposed

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March 12, 2026, 7:59 PM ET SYK STRYKER CORP negative materiality 0.75

Stryker updates on cyber incident: operations disrupted, patient services unaffected

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March 11, 2026, 7:59 PM ET SYK STRYKER CORP negative materiality 0.65

Stryker reports global cybersecurity incident affecting Microsoft systems; investigation ongoing

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February 24, 2026, 6:59 PM ET UFPT UFP TECHNOLOGIES INC negative materiality 0.65

UFP Technologies detects cyber incident; data exfiltrated, systems mostly restored

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February 3, 2026, 6:59 PM ET WYTC WYTEC INTERNATIONAL INC negative materiality 0.30

Wytec International updates on cybersecurity incident; website defaced twice, now restored

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December 29, 2025, 6:59 PM ET CPNG Coupang, Inc. negative materiality 0.90

Coupang confirms 33M accounts accessed in cyber breach; to issue $1.2B in customer vouchers

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December 16, 2025, 6:59 PM ET CPNG Coupang, Inc. negative materiality 0.85

Coupang discloses data breach affecting up to 33M customer accounts; former employee accessed personal data

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December 2, 2025, 6:59 PM ET PXED Phoenix Education Partners, Inc. negative materiality 0.70

Phoenix Education Partners reports cybersecurity incident; personal data of numerous individuals accessed

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November 14, 2025, 6:59 PM ET LOGI LOGITECH INTERNATIONAL S.A. negative materiality 0.60

Logitech reports data exfiltration via zero-day vulnerability in third-party software

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November 6, 2025, 6:59 PM ET TOI Oncology Institute, Inc. negative materiality 0.30

Oncology Institute discloses cyber incident impacting fee-for-service collections

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October 21, 2025, 7:59 PM ET JCTC JEWETT CAMERON TRADING CO LTD negative materiality 0.75

Jewett-Cameron discloses cyber incident with data exfiltration and extortion demand

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