Read the original article at https://blog.knowbe4.com/attackers-abuse-collaboration-channels-beyond-email
Cloud email security has become pretty good. Not perfect, obviously, because the attack landscape is forever changing. But good enough that the old tactics do not land with the same success rate they once did. Filters are sharper. Detection is better. Users are smarter.
Read the original article at https://blog.knowbe4.com/attackers-abuse-collaboration-channels-beyond-email