DisclosureLens
GLOBALMalwareFinancial ServicesFinanceRansomwareBlack BastaRansom DemandedActor NamedMedium

The Exchange Bank

bd_e2b9b8277d935d62 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Dec 19, 2022

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for The Exchange Bank3 incidents on file

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Black Basta 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: Financial ServicesDiscovered: 2022-12-19

Source: Ransomware.live

Post text · scraped from the leak site

The Exchange BankExchange Bank is a community bank offering personal and business banking services including mortgages, home loans and lines of credit and SBA loans.The Skiatook Bank, established in 1905, was the first bank in Skiatook. Later in 1905, the First Bank of Skiatook (actually the second) was established.In 1907, the Oklahoma Banking Company of Skiatook was founded, the second competitor of the Skiatook Bank.In 1911, the Skiatook Bank was adopted by the Federal Reserve Board and was renamed the First National Bank of Skiatook.In 1913 the Oklahoma Banking Company was also adopted by the Federal Reserve Board and was renamed the Oklahoma National Bank of SkiatookIn 1920 C.H. Cleveland, President of the First National Bank of Skiatook sold his stock in the bank to Ed Shackelford from Webbers Falls, OK.In 1929, The First National Bank of Skiatook and the Oklahoma National Bank of Skiatook merged and became the Oklahoma First National Bank of Skiatook.In 1930, the Oklahoma First National Bank of Skiatook was renamed The Exchange Bank.In 1952, The Exchange Bank’s new million-dollar building was opened at 220 S. Broadway.In 1972 a new building was built at the present location of 300 West Rogers Blvd on main Street.SITE: https://www.exb-ok.com

Incident timeline — mostly unverified

? — ?

Breach window unknown

Dec 19, 2022

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.