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Enjoy!
Classic phishing. Secure channels are only as good as the gate and key handling surrounding them.
For official org-based accounts like that, I could imagine a messaging system where you can only see and share security codes with a second-person factor. If the user wants to access it, at least another authorized trained person must take part, acknowledge, and authorize the action. As long as users can access key information relatively easily, they are phishable.
"Despite their end-to-end encryption option, messaging apps such as Signal and WhatsApp should not be used as channels for classified, confidential or sensitive information," said MIVD director, Vice-Admiral Peter Reesink.
Hmm... quite a bit of issues in this statement. I wonder what they were instructed to use internally instead.
It's a phishing attack but I'm still going to link simplex for people looking for something more secure than signal running on google cloud.