Radha Kumari, Slack
Many companies struggle with understanding their traffic sources, leading to incidents caused by malicious activity, faulty automation, or legitimate but overwhelming use. This is often due to authentication occurring too deep within the network stack, making vital information unavailable at the ingress.
This talk details how Slack addressed this by implementing an Authentication Service at the L7 edge load balancers resulting in increased visibility into traffic patterns, more fine-grained control, and fewer incidents, leading to happier SREs.
Radha is a Staff Software Engineer for the Demand Engineering team at Slack (Ireland) where she focuses on ensuring "bytes" move in and out of Slack as expected.
Outside work, she loves travelling around the world and has been to nearly 40 countries since 2013. She enjoys playing keyboard, knitting and also has a passion for collecting shoes.
author = {Radha Kumari},
title = {Level Up Your Edge: Do You Know Where Your Traffic Comes From?},
year = {2025},
address = {Dublin},
publisher = {USENIX Association},
month = oct
}
