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GLOBALMalwareProfessional ServicesProfessional ServicesRansomwareKairosRansom DemandedActor NamedMedium

Houk Air Conditioning

bd_facef10dd361146d · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

May 6, 2026

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for Houk Air Conditioning

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Kairos on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Group activity: Business ServicesDiscovered: 2026-05-06

Source: Ransomware.live

Post text · scraped from the leak site

Houk AC is a leading HVAC repair and installation service based in Texas, operating in areas such as DFW, Austin, Houston, and San Antonio since 1962. The company offers a variety of services including air conditioning and heating repairs, installations, maintenance, and commercial HVAC solutions. Known for their commitment to customer satisfaction, Houk AC provides special financing options, discounts, and a comprehensive maintenance program to meet the needs of both residential and commercial clients. With a family-owned approach, their dedicated technicians are focused on delivering reliable and energy-efficient solutions to ensure optimal comfort for Texans.

Incident timeline — mostly unverified

? — ?

Breach window unknown

May 6, 2026

Claim posted

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Claim → filing

Compliance clock

Not assessable

Tracked as a single-filing incident — the only disclosure on record for this event so far.Unverified claimView incident

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

No regulatory filing corroborates this yet — it is the attacker's own assertion. Watch this entity to be notified the moment a filing corroborates or contradicts it.

Source ceiling

  • actor name
  • victim claim
  • ransom/leak status
  • discovery date
  • materiality
  • notification
  • affected count
  • confirmed data types
  • compliance clock

The ✕ fields stay blank until a regulatory filing or victim disclosure lands.

About this groupFirst seen 2024-06-26

kairos

According to ransomware.live, Kairos is a data extortion group active since late 2024 that focuses solely on data theft with no encryption, primarily targeting small-to-mid-sized organizations in healthcare, manufacturing, and business services in the US, purchasing initial access from brokers and demanding Bitcoin payments.

103 tracked hereFull profile →