These are valid points and anyone thinking about using killcord should be aware of these. As for the second attack vector, the publisher is built with idempote

These are valid points and anyone thinking about using killcord should be aware of these. As for the second attack vector, the publisher is built with idempotence, so it is important that a killcord owner configures n-number of publishers in geographically diverse areas to mitigate the false negative attack vector.