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Data Breaches

thegentlemen listed Air Canada. That is a claim. Fifty-one thousand is their number.

A leak-site post on September 9 claimed 51,409 files from Air Canada. No official statement, no samples in the reviews we trust. Treat it like the Calgary club listing: wait for the organization, watch the phishing.

A group calling itself thegentlemen listed Air Canada on a leak site on September 9. They claimed 51,409 "critical files." Aggregators have been repeating the row for twelve days. As of this morning there is still no statement from the airline, no PIPEDA notice we can point at, and the reviews of the listing we trust say there were no samples in the post they saw. Treat it as a claim. A flag carrier on a leak site is still a rumour until the company or a commissioner says otherwise.

What is actually on the table

The listing names aircanada.com and recites public facts (head office, fleet, passenger counts) that anyone can scrape from an annual report. That is how these posts get their gravity. The file count is the actor's number. It is not a record count, a passenger list, or proof that Aeroplan was touched. Yazoul and others flagged the same gap: no volume, no ransom figure, no sample in the material they reviewed. Hendryadrian and ransomware.live logged the timestamp. Logging a timestamp is not confirming a theft.

Yesterday we wrote the same sentence about Inglewood Golf in Calgary. Play listed a club. The club had not confirmed. Do not mash a golf club and an airline into one Canadian wave. Do mash the tactic: a leak-site row is how pressure starts, and the phishing writes itself either way.

What this is not

It is not a reason to call the airline's service desk and demand a new Aeroplan PIN from a stranger. It is not a reason to pay a site that offers to "check if you are in the 51,409." That is a second harvester. It is not proof that airport operations were encrypted. Nipigon hospital last week had a public operational outage and a mayor on the record. This listing does not.

If you fly, the useful move is the boring one: watch for "Air Canada security incident, reset here" mail, and treat a real charge you did not make as a ticket, not a tweet. If you run a Canadian shop that keeps a customer file, the useful move is the same one we wrote for the club: where are the backups, who can export a batch, and what will you send people if your name lands on a leak site before you have a sentence.

What we would do this week

  • Wait for Air Canada or the Privacy Commissioner. A listing is not a notification letter.
  • If you handle travel for staff, warn them about pretext phishing that uses this exact headline. Official channels only.
  • If you are a vendor to the airline, do not invent a breach in your own file. Ask your account team once, in writing, and keep the reply.
  • Inglewood and Air Canada in the same week are a reminder that leak sites do not sort by revenue. The membership vendor and the airline vendor are both "who holds the copy."

Bottom line

Fifty-one thousand files is a sentence an extortionist typed. Forensic Five will say the same thing we said about the Calgary club: wait for the organization's sentence, and do not wait to ask your own vendor where the copies live. From St. Albert, Alberta. Do not pay the listing. Do not ignore the phishing it will spawn.

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Air Canada thegentlemen leak site Canada

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About the Author

Mathew Potter

Security Analyst

Mathew leads assessments and consulting at Forensic Five from St. Albert, Alberta. His background is Linux systems, networks, and application infrastructure.