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Oahu Transit cyberattack disrupts rider information and fare readers

Summary

Oahu Transit Services logo

A June 15, 2024, intrusion disrupted Oahu Transit Services’ websites, rider information and HOLO readers while buses and paratransit continued operating. The city confirmed GPS and fare-reader restoration June 24. Ransomware and DragonForce attribution remain unverified.

Key facts

Timeline

  • Incident start:
    ? Earliest known or assessed start of malicious activity or incident activity.
  • First public signal:
    ? Earliest public indication of an outage, disruption, closure or other observable incident impact. The signal does not need to mention cybersecurity.
  • First public cyber evidence:
    ? Earliest credible public information connecting the incident or disruption to malicious cyber activity.
  • Official cyber disclosure:
    ? First official acknowledgment by the affected organization or an authoritative public body that the incident was cyber-related.
  • Last impact seen:
    ? Latest public indication that disruption, degraded operations, recovery work or unresolved impact was still ongoing.
  • Incident end:
    ? Confirmed or defensibly assessed end of material operational disruption or incident activity.

Primary victim organization

Organization types

Critical infrastructure sector

Incident characteristics

Assessments

DD-CIT assessment

The organization publicly identifies the event as cyber-related. The organization publicly documents the resulting service disruption.

Attack mechanisms

Data impacts

  • Unauthorized data access

    An unauthorized party accessed or viewed data without evidence that the data was copied, removed, altered, or publicly disclosed.

  • Data unavailable

    Authorized users could not access required data because of the incident, even when the data was not encrypted, deleted, or destroyed.

Operational impacts

Extortion indicators

  • Ransom demand

    The victim received a demand for payment in exchange for restoring access, decrypting systems, preventing disclosure, or stopping another threatened action.

  • Public leak threat

    The actor explicitly threatened to publish or publicly release victim data or incident details.

  • Countdown or payment deadline

    The actor imposed a deadline or public countdown before increasing the demand, publishing data, deleting keys, or taking another threatened action.

  • Payment denied

    An authoritative source stated that no ransom or extortion payment was made.

Incident narrative

Analyst assessment

A June 15, 2024, intrusion into Oahu Transit Services’ network disrupted digital services supporting Honolulu’s TheBus and TheHandi-Van. Officials confirmed an outside intrusion and disconnected systems to contain it. Bus and paratransit operations continued, while websites, arrival information and electronic fare collection were affected. Cyber involvement and operational disruption are confirmed; the public evidence does not establish ransomware encryption or independently authenticate the claimed operator.

The city’s June 24 restoration notice says real-time GPS information and HOLO card readers were operating normally again. This was a June 2024 incident, separate from the operator’s December 2021 attack.

Operational significance

The operator’s June 15 notice reported computer and telephone failures affecting its websites, transit-information and paratransit lines, and GPS-based apps. Updates that day announced that telephone services were available again while online services remained down.

According to KHON2’s June 18 report, officials placed the initial disruption at about 1 a.m. June 15, Hawaii time. Transportation Director Roger Morton said street-level bus and paratransit service had returned to normal by that afternoon. Some digital connections remained disconnected to protect systems and data.

The affected functions included the transit websites, telephone connections, real-time arrival and GPS information, and HOLO card readers. Riders could show their HOLO cards to operators as proof of fare while readers were unavailable. The distinction between continued vehicle service and impaired passenger technology is central: this was a substantial digital-service interruption, without evidence that the entire transit system stopped.

By June 21, the websites were back online, but GPS information and HOLO readers remained unavailable. The June 24 city notice confirmed those functions had resumed. It also said riders could again tap their cards and use arrival apps. These statements support resolution of the documented material disruption by June 24, while leaving the precise timing of every internal repair unknown.

A Nov. 27, 2024, Honolulu Star-Advertiser report republished by Transit Talent quoted OTS estimating about $100,000 in lost fare revenue using data from the city’s HOLO contractor. It also described continuing security improvements. The Federal Transit Administration’s event record lists $229,921 in its property-damage field. The figures describe different categories and should not be added together or treated as interchangeable estimates of lost fares.

Confidence and uncertainty

Confidence is high in the intrusion and service-impact findings because the city’s own notice and named officials’ statements corroborate them. June 17 reporting initially described a network outage and reported a ransomware allegation from Falcon Feeds. The following day’s reporting quoted Morton describing an outside intrusion.

The city said the HOLO server was unaffected and registered HOLO card information was not compromised. OTS believed an older database used to print bus passes might have been accessed, potentially involving names and addresses. Officials said financial information and government identifiers, including Social Security numbers, were not believed compromised. These attributed findings are narrower than confirmation that every category appearing in an alleged database was populated or stolen.

A DragonForce-associated claim indexed by ransomware.live alleged possession of about 800,000 records and threatened consequences if the organization did not make contact. The allegation does not establish a count of affected people.

Analytic gaps

Contemporary reporting on the claim included the monitor’s uncertainty about whether the posting represented the genuine group or an impersonator. Reports and the indexed text also described different payment deadlines. Operator attribution therefore has low confidence, and the specific mechanism remains unresolved.

Morton said June 18 that no ransom had been paid and that paying would violate policy. In the later Star-Advertiser report, an OTS spokesperson also denied that any ransom had been paid for the June breach. These are attributed statements, rather than an independent audit of payments. The public record does not establish the initial-access method, encryption scope, a verified complete data release or the final extent of copied information. Later security work or financial accounting does not independently extend the June service outage.

The federal record dates the event June 14 at 11:40 p.m., while the city’s restoration notice identifies June 15. That discrepancy remains unresolved; the registry retains the city’s June 15 date. The federal entry’s brief description mentions purchased IT items and overtime but does not provide a usable breakdown of the reported costs.

Threat actor and claim

Listed as: Oahu Transit ServicesSource: ransomware.liveDiscovered:

Claim details

Ransomware.live indexed a claim associated with DragonForce naming Oahu Transit Services and thebus.org. The index discovery timestamp is June 15, 2024; the original posting time is unverified. The text alleges possession of about 800,000 records and threatens consequences unless the organization makes contact. Listed database field names do not establish populated values or affected-person counts. Contemporary reporting described conflicting deadlines and possible impersonation. The claim does not independently confirm encryption, data theft, operator identity or payment.

Organizations involved

Impacted locations

  • Honolulu County, Hawaii

    Physical county anchor covering the supported OTS operating facilities and DTS administrative office. This is distinct from the existing county service-area overlay and does not imply a countywide technical outage.

    Public transit-service overlay paired with DTS’s county responsibilities and OTS’s delegated operation of the city-owned TheBus and TheHandi-Van system on Oahu. Physical vehicle service continued while digital functions were impaired. This is a public-service remit, distinct from the Honolulu and Pearl City physical facilities; it does not assert uniform countywide disruption.

  • Honolulu, Hawaii

    Physical urban-community anchor for OTS’s Kalihi-Palama headquarters and operating facilities at 811 and 611 Middle Street, and DTS’s administrative office at 711 Kapiolani Boulevard. The supported offices lie within the Urban Honolulu community. This does not assert that each building or the city’s separate network was independently compromised.

  • Pearl City, Hawaii

    Pearl City contains OTS’s bus facility at 1200 Waimano Home Road. This physical location identifies part of the affected operator’s network without establishing a separate yard shutdown.

Sources

Honolulu's TheBus and Handi-Van Systems Hit by Cyberattack

The report describes June 15 disruption of online arrival information and HOLO card readers while passengers could still board by showing their cards.

OTS — June 15 computer and telephone outage notice

OTS’s June 15 notice reports computer and telephone failures affecting websites, transit-information and paratransit lines, and GPS-based services.

OTS — June 15 paratransit telephone update

OTS’s June 15 update says paratransit reservation and cancellation telephone lines were restored while other online services remained unavailable.

OTS — June 15 transit and paratransit telephone restoration update

OTS’s June 15 update says transit-information and paratransit telephone lines were available again, while online services remained down.

Oahu public transportation targeted in cyber attack

Transportation Director Roger Morton described an outside intrusion, June 15 onset and vehicle service returning to normal that afternoon while digital connections remained disconnected.

Real-time GPS and HOLO card systems back online for TheBus

The June 24 city notice says TheBus GPS information and HOLO card readers were operating normally again.

OTS estimates lost fares and describes security work after June 2024 breach

OTS estimated about $100,000 in lost fare revenue using HOLO contractor data. A spokesperson denied any ransom payment for the June breach.

Oahu Transit Services — DragonForce-associated claim index

The claim monitor indexes a DragonForce-associated allegation against Oahu Transit Services involving about 800,000 records and threats tied to contact or payment.

Federal Transit Administration — Honolulu cyber-event record 4252991

The federal transit dataset records a cyberattack on Oahu Transit Services’ computer system, with $229,921 in the property-damage field and an event date of June 14, 2024, at 11:40 p.m.

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