Signal outage highlights growing global dependence on Amazon’s cloud power

Signal’s brief outage during last week’s AWS failure reignited debate over how deeply the internet depends on a handful of cloud giants. Signal president Meredith Whittaker warned that companies have “no real alternative” to AWS, Google, or Microsoft, as replicating their infrastructure would cost billions. The AWS disruption, caused by a DNS automation error, disrupted millions of services—exposing just how concentrated global cloud control has become.