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> Someone in this post commented their military friend says get gas

The Rogers outage in Canada took out the nationwide debit card payment network because that infra depended on Rogers. Credit cards still worked, but depends on your station’s access to make the transaction. And no shortage of shops running their POS “in the cloud” and needing to close if they lose internet access. I actually did have to lend cash to a colleague to buy gas to get home during that Rogers outage.

All it takes is for one pipeline valve to depend on a cellular connection for billing to get the whole line shutdown.

And ugh, we hope for a botched software upgrade too, but a corp cyberattack is so much harder to recover from so can’t be discounted from the realm of possibilities. I know that’s where my mind went with Rogers given how thorough their outage was.

Was kinda unimaginable for a total outage to happen with no org comms ready to go in the pipeline. Your plans are supposed to have those comms ready for a bad update that you’ve been planning for weeks. It’s a cyberattack where you may stay silent. But I know Rogers isn’t going to admit fault until they find someone else to blame.



PoS devices are usually networked. If you don't validate transactions in realtime you would later validate in batch, but that has more risk than validating at the time of transaction.


> If you don't validate transactions in realtime you would later validate in batch

yeah, a lot of orgs just don't enable that (or don't have a process to enable it as required, and have difficulty pushing out a notice to do so if the network is down!).

Also can only do offline credit card transactions. Can't with our Interac (Canadian-only) debit network. Unsure about Visa/Mastercard debit transactions.


> Unsure about Visa/Mastercard debit transactions.

AIUI, the debit card itself enforces online confirmation, even if the transaction goes through the credit card rail.




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